Relevant bibliographies by topics / Biogas production potential

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Academic literature on the topic 'Biogas production potential'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Biogas production potential"

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Pavliukh, Lesia, Sergii Boichenko, Valeriya Onopa, Oksana Tykhenko, Petro Topilnytskyy, Viktoria Romanchuk, and Igor Samsin. "Resource Potential for Biogas Production in Ukraine." Chemistry & Chemical Technology 13, no. 1 (March 5, 2019): 101–6. http://dx.doi.org/10.23939/chcht13.01.101.

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Nallathambi Gunaseelan, V., and P. Lakshmanaperumalsamy. "Biogas production potential of Parthenium." Biological Wastes 33, no. 4 (1990): 311–14. http://dx.doi.org/10.1016/0269-7483(90)90135-f.

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Kalinichenko, Antonina, Valerii Havrysh, and Vasyl Perebyynis. "Evaluation of Biogas Production and Usage Potential." Ecological Chemistry and Engineering S 23, no. 3 (September 1, 2016): 387–400. http://dx.doi.org/10.1515/eces-2016-0027.

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Abstract The aim of the research is the development of theoretical and methodical bases for determining the feasibility of plant raw materials growing for its further bioconversion into energy resources and technological materials to maximize profit from business activities. Monograph, statistics, modelling and abstract logical methods have been used during the research. Directions of biogas usage have been examined. Biogas yields from different crops have been analyzed. It has been determined that high methane yields can be provided from root crops, grain crops, and several green forage plants. So, forage beet and maize can provide more than 5,500 m3 of biogas per hectare. Attention is paid to the use of by-products of biogas plants, especially carbon dioxide. Carbon dioxide is an important commodity and can increase profitability of biogas plant operating. It can be used for different purposes (food industry, chemical industry, medicine, fumigation, etc). The most important parameters of the biogas upgrading technologies have been analyzed. If output of an upgrade module is more than 500 nm3/h, investment costs of different available technologies are almost equal. According to experts, it is economically feasible to use anaerobic digestion biogas systems to upgrade biomethane provided their performance is equivalent to 3,000 litres of diesel fuel per day. The economic and mathematical models have been suggested to determine the feasibility of growing plant materials to maximize the gross profit. The target function is the maximum gross income from biogas utilization. It has the following limitations: annual production of biogas, consumption of electricity, heat and motor fuels. The mathematical model takes into account both meeting own requirement and selling surplus energy resources and co-products including carbon dioxide. In case of diesel fuel substitution, an ignition dose of diesel fuels has been considered. The algorithm for making a decision on construction of a biogas plant has been offered.
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Manyi-Loh, Christy E., Sampson N. Mamphweli, Edson L. Meyer, Anthony I. Okoh, Golden Makaka, and Michael Simon. "Investigation into the Biogas Production Potential of Dairy Cattle Manure." Journal of Clean Energy Technologies 3, no. 5 (2015): 326–31. http://dx.doi.org/10.7763/jocet.2015.v3.217.

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Koçer, Anıl Tevfik, and Didem Özçimen. "Investigation of the biogas production potential from algal wastes." Waste Management & Research: The Journal for a Sustainable Circular Economy 36, no. 11 (September 25, 2018): 1100–1105. http://dx.doi.org/10.1177/0734242x18798447.

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In recent years, researchers focused their attention on biogas production more than ever to meet the energy demand. Especially, biogas obtained from algal wastes has become a trending research area owing to the high content of volatile solids in algae. The main purpose of this study is to determine the biogas production potential from algal wastes and examine the effect of temperature and particle size parameters on biogas yield. A comparison was made between the biogas production potential of microalgal wastes, obtained after oil extraction, and macroalgal wastes collected from coastal areas. It was found that algal biogas yield is directly proportional to temperature and inversely proportional to particle size. Optimal conditions for biogas production from algal wastes were determined as the temperature of 55 °C, a particle size of 200 μm, a residence time of 30 days and an alga–inoculum ratio of 1:4 (w:w). Highest biogas yield obtained under these conditions was found as 342.59 cm3 CH4 g−1 VS with Ulva lactuca. Under thermophilic conditions, both micro- and macroalgal biogas yields were comparable. It can be concluded that algal biomass is a good source for biogas production, although further research is needed to increase biogas yield and quality.
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Manonmani, P., Lurwan Muazu, M. C. Kamaraj, Mukesh Goel, and R. Elangomathavan. "Biogas Production Potential of Food Waste." International Journal of Environment, Agriculture and Biotechnology 2, no. 2 (2017): 701–11. http://dx.doi.org/10.22161/ijeab/2.2.18.

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Isci, A., and G. N. Demirer. "Biogas production potential from cotton wastes." Renewable Energy 32, no. 5 (April 2007): 750–57. http://dx.doi.org/10.1016/j.renene.2006.03.018.

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Maghanaki, M. Mohammadi, B. Ghobadian, G. Najafi, and R. Janzadeh Galogah. "Potential of biogas production in Iran." Renewable and Sustainable Energy Reviews 28 (December 2013): 702–14. http://dx.doi.org/10.1016/j.rser.2013.08.021.

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Putri, Dewi Artanti, Roy R. Saputro, and B. Budiyono. "Biogas Production from Cow Manure." International Journal of Renewable Energy Development 1, no. 2 (July 9, 2012): 61–64. http://dx.doi.org/10.14710/ijred.1.2.61-64.

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The production of biogas from livestock waste manure in particular is one of the alternative utilization of organic wastes that can be implemented in Indonesia since there is a huge potential of bio-energy in Indonesia. This study utilizes cow manure as the raw material for making biogas and it is coupled with a cow rumen fluid and water. The objective of this study is to determine the effect of manure, rumen, and water composition in biogas production. The research was conducted in anaerobic for 60 days. The composition of manure, water, and the rumen were vary following the variable and ratio; variable A (manure and water); variable B (manure and rumen). The results indicate that the variable A (manure and water) with a 1:3 ratio, and the variable B (manure and rumen) with a 1:2 ratio produced the highest volume of biogas compared to other ratios. The highest biogas production occurred on average at day 23.
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Koryś, Katarzyna Anna, Agnieszka Ewa Latawiec, Katarzyna Grotkiewicz, and Maciej Kuboń. "The Review of Biomass Potential for Agricultural Biogas Production in Poland." Sustainability 11, no. 22 (November 19, 2019): 6515. http://dx.doi.org/10.3390/su11226515.

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Adequate management of biomass residues generated by agricultural and food industry can reduce their negative impacts on the environment. The alternative use for agricultural waste is production of biogas. Biomass feedstock intended as a substrate for the agricultural biogas plants may include energy crops, bio-waste, products of animal and plant origin and organic residues from food production. This study reviews the potential of selected biomass residues from the agri-food industry in terms of use for agricultural biogas production in Poland. The most common agri-food residues used as substrates for biogas plants in Poland are maize silage, slurry, and distillery waste. It is important that the input for the agricultural biogas installations can be based on local wastes and co-products that require appropriate disposal or storage conditions and might be burdensome for the environment. The study also discusses several limitations that might have an unfavourable impact regarding biogas plants development in Poland. Given the estimated biomass potential, the assumptions defining the scope of use of agricultural biogas and the undeniable benefits provided by biogas production, agricultural biogas plants should be considered as a promising branch of sustainable electricity and thermal energy production in Poland, especially in rural areas.
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Dissertations / Theses on the topic "Biogas production potential"

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Shi, Chen. "Potential Biogas Production from Fish Waste and Sludge." Thesis, KTH, Mark- och vattenteknik (flyttat 20130630), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171807.

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In order to decrease the pollution of the marine environment from dumping fish waste and by-catch, alternative use for co-digestion with sludge in anaerobic condition was studied. The purpose of this project is to optimize the methane potential from adjustment of the proportion among mixed substrates. Ten groups of different proportions among fish waste, by-catch and sludge were conducted with AMPTS II instrument under mesophilic condition (37 ± 0.5 ºC), by means of the principle of BMP test. The ratio of inoculums and mixed substrate was set as 3:2. The optimal MP obtained after an experiment with 13 days digestion was 0.533 Nm3 CH4/kg VS from the composition of sludge, by-catch and fish waste as 33 %, 45 % and 22 %. It was improved by 6 % and 25.6 %, to compare with the previous studies by Almkvist (2012) and Tomczak-Wandzel (personal communication, February 2012) respectively.
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Lopes, Alice do Carmo Precci. "Biogas production potential from kraft pulp mill sludge." Universidade Federal de Viçosa, 2017. http://www.locus.ufv.br/handle/123456789/10437.

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O processo de fabricação da polpa celulósica kraft demanda elevada quantidade de água e energia. Embora a indústria gere parte de sua própria energia pela queima do licor negro na caldeira de recuperação e biomassa residual na caldeira de biomassa, a indústria ainda é dependente de energia elétrica e combustíveis fósseis adicionais. Devido ao aumento da tarifa de energia, a indústria de celulose tem sido motivada a aumentar sua eficiência energética, tornando-se autossuficiente. A produção de biogás a partir do lodo gerado na estação de tratamento de efluentes da indústria constitui uma potencial alternativa de gerenciamento dos resíduos e produção de energia. O objetivo principal desta dissertação foi avaliar o potencial da produção de biogás a partir dos lodos primário e secundário provenientes da indústria de celulose kraft branqueada. A dissertação foi estruturada em 5 Capítulos desenvolvidos em forma de artigos científicos. O Capítulo 1 apresentou uma revisão de literatura sobre os processos de produção de celulose kraft e de biogás, bem como um panorama sobre legislações brasileiras relacionadas à implantação de biodigestores. Foi concluído que há pouco estudo relativo à digestão anaeróbia de lodo de celulose kraft. Adicionalmente, apesar de o Brasil apresentar um grande potencial de produção de biogás, o país ainda carece de incentivos governamentais no setor. O Capítulo 2 objetivou (i) identificar a melhor relação substrato/inóculo (2/1, 1/1 e 0.4 g VS substrato /g VS inóculo ); (ii) identificar o melhor tipo de inóculo (lodo de UASB ou lodo de UASB + estrume); e (iii) estimar o potencial de substituição da energia elétrica demandada pelo sistema de aeração da estação de tratamento de efluentes da indústria de celulose kraft branqueada a partir do biogás produzido. Para tanto, foram utilizados como substratos o lodo primário (PS), lodo secundário (SS) e a mistura de ambos (MIX). Os resultados mostraram que o lodo secundário possuiu maior potencial de produção de biogás para uma relação 1/1 g VS substrato /g VS inóculo , utilizando lodo de UASB como inóculo. O estrume aumentou a produção de metano do lodo primário para relação S/I 1/1, porém pré-tratamentos devem ser testados de modo a aumentar a biodegradabilidade do substrato. Por fim, o biogás produzido apresentou potencial de substituir 23% daxi demanda de energia elétrica da estação de tratamento de efluentes. O Capítulo 3 objetivou (i) estimar o potencial de produção de biogás em condições termofílicas a partir do PS, SS e MIX; (ii) calibrar o modelo de digestão anaeróbia desenvolvido por Rajendran et al. (2014); e (iii) determinar a melhor composição do lodo e a influência de adição de nitrogênio no sistema de digestão anaeróbia a partir de simulações numéricas. Foi identificado que (i) a máxima produção de metano foi atingida pelo lodo secundário em 30 dias (46.9 NmL CH4/g VS); (ii) o modelo de digestão anaeróbia foi aplicável para lodo de celulose kraft após ajustes; (iii) a melhor composição de lodo foi de 21.62% de carboidratos, 61,67% de lipídeos e 16.72% de proteínas. A adição de nitrogênio aumentou a produção de metano para o PS e o MIX, mas reduziu para o SS. Os Capítulos 4 e 5 foram desenvolvidos por estudantes intercambistas como parte do programa Living Lab Biobased Brazil. Os objetivos do Capítulo 4 foram ajustar o modelo de Rajendran et al. (2014) para a condição mesofílica e simular o uso do biogás em forma de eletricidade e calor. A partir da simulação foi possível produzir 88 GJ/d de calor e 148 kW de potência elétrica. Além disso, a partir do ajuste do modelo de Rajendran et al. (2014) para a condição mesofílica, foram propostas melhorias para o modelo. Por fim, o Capítulo 5 objetivou apresentar potenciais alternativas para o gerenciamento do lodo de celulose kraft pós-digestão anaeróbia, utilizando a ferramenta de Análise de Multi-Critério simplificada. A partir das alternativas avaliadas (aterro sanitário, aplicação no solo, compostagem, incineração, pirólise/gaseificação e produção de algas), a compostagem se apresentou como a melhor opção.
The kraft pulping process is energy intensive. Although the mill generates part of its own energy by burning the black liquor in the recovery boiler and wooden biomass in the biomass boiler, it still relies on additional electricity and fossil fuel sources. Due to an energy price increase, the pulp industry has been driven to optimize its energy efficiency and self-sufficiency. One attractive industrial opportunity is to produce biogas from sludge using the anaerobic digestion technology. Thus, the main objective of this dissertation was to evaluate the potential of biogas production from bleached kraft pulp mill primary and secondary sludges. The dissertation was structured in 5 Chapters written as scientific papers. Chapter 1 presented a literature review about kraft pulp mills, biogas production, and legislations related to the implantation of biodigesters. It was concluded that there are still very few studies related to the anaerobic digestion of kraft pulp mill sludges. Additionally, although Brazil has great potential for biogas production, the country still faces barriers related to political incentives. Chapter 2 aimed at (i) identifying the best substrate to inoculum ratio (2/1, 1/1, and 0.4 g VS substrate /g VS inoculum ); (ii) identifying the best inoculum type (UASB sludge and UASB sludge + cow dung); and (iii) estimating the potential of substituting the electricity demand of the mill’s effluent treatment plant (ETP) aeration system. The substrates used consisted of primary (PS) and secondary (SS) sludges, and the mixture (MIX) between PS and SS. The results showed that the SS presented the highest methane production, with an optimal ratio of 1 g VS substrate /g VS inoculum using UASB sludge as inoculum. Cow dung increased the methane production of the PS for S/I = 1/1, but pre-treatment of PS should be tested to increase the substrate biodegradability. Finally, the methane yield led to a potential substitution of 23% of the ETP electricity demand. Chapter 3 aimed to (i) estimate potential biogas production under thermophilic conditions for the same substrates; (ii) calibrate the anaerobic digestion model developed by Rajendran et al. (2014); and (iii) simulate the best sludge composition and the influence of nitrogen addition on anaerobic digestion system. It was found that the (i) the maximum methane yield was achieved with theix secondary sludge at 30 days (46.9 NmL CH4/g VS); (ii) the applied anaerobic digestion model was applicable for the kraft pulp mill sludge after minor adjustments; (iii) optimal sludge composition was found to be 21.62% carbohydrates, 61.67% lipids and 16.72% proteins. The addition of nitrogen increased the methane yield for PS and MIX, but decreased it for SS. Chapters 4 and 5 were the result of work developed by bachelor exchange students as part of the Living Lab Biobased Brazil Program. Chapter 4 aimed to adjust the Rajendran et al. (2014) model for mesophilic conditions and simulate biogas use in the form of electricity and heat. From the simulation, a potential heat production of 88 GJ/d and electric power of 148 kW was found. From Chapter 4, possibilities for improving the Rajendran et al. (2014) model were proposed. Finally, Chapter 5 aimed at giving an insight into the possible alternatives for managing the anaerobically digested kraft pulp mill sludge using a simplified Multi- Criteria Decision Analysis tool. From the analyzed alternatives (landfill, land application, composting, incineration, pyrolysis/gasification and algae production), composting appeared to be the most suitable alternative.
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Rodriguez, Chiang Lourdes Maria. "Methane potential of sewage sludge to increase biogas production." Thesis, KTH, VA-teknik, Vatten, Avlopp och Avfall, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96294.

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Sewage sludge is treated with the biological process of anaerobic digestion in which organic material of a substrate is degraded by microorganisms in the absence of oxygen. The result of this degradation is biogas, a mixture mainly of methane and carbon dioxide. Biochemical Methane Potential tests are used to provide a measure of the anaerobic degradability of a given substrate. This study aims to determine the methane potential in Sjöstadsverket’s sludge this will moreover determine the viability of recycling the digested sludge back into the anaerobic system for further digestion. Batch digestion tests were performed in both Sjöstadsverket’s (S1) and Henriksdal’s (H2) sludge, for a reliable comparison. An inoculum to substrate ratio of 2:1 based on VS content was used and BMP tests presented results that S1 and H2 in the 20 days of incubation produced 0.29 NLCH4/gVS and 0.33 NLCH4/gVS respectively. A second experiment considering the same amount of substrate (200ml) and inoculum (200ml) for each sample, showed that Control S1 had a higher methane potential than Control H2, 0.31 NL/gVS and 0.29 NL/gVS respectively. All the samples containing Sjöstadsverket’s inoculum presented a higher volume of total accumulated gas (measured in Normal Liters), however methane potentials are low. Results demonstrated that methane production in samples S1 and Control S1 was originating from the grams of VS in the inoculum itself after depletion of all the soluble organic material in the substrate. This suggested that Sjöstadsverket’s sludge can endure a higher organic load rate and that the digested sludge still has potential to produce biogas, hence the recycling of this can enhance the biogas production in the digestion system.
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Björklund, Simon, and Niklas Öhman. "Biogas opportunities in Curitiba : Analysis of business potential for biogas production from municipal solid waste." Thesis, KTH, Energiteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-211698.

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The Brazilian city ofCuritiba produces 2 500 tons of MSW (municipal solid waste) per day that is landfilled.In an effort to find a more sustainable solution for waste management, the objective of this study was to investigate the potential for producing biogas from anaerobic digestion by analyzing the feasibility of small-scale decentralized biogas production as well as centralized production at commercialscale. A field study was carried out to map specific local circumstances and togather data by interviews and literature. Different methods of attaining the organic waste were reviewed and the options for biogas production were evaluated by comparing the highest investment cost admissible for a positive netpresent value of a prospective investment with estimations of investment costs from literature sources. Small-scale decentralized biogas production was found to be the most economically and socially viable option. For centralized production, the results were inconclusive but indicated the potential of profitable business cases. It is estimated that wet digestion in a floating-drum ortubular digester is most suitable for small scale applications while acontinuously dry digestion system is best suited for large scale biogasproduction in Curitiba. The sensitivity analysis showed that the amount oforganic waste available as well as the price of sold products had the biggest economic impact in the scenarios. It was found that any implementation of controlled anaerobic digestion would decrease the total global warming potential of the waste management system. It is recommended that the municipality proceed with and expand a pilot project at Mercado Regional, as well as exploring possibilities for more efficient waste collection, along with gathering more specific data on compositions and quantities for different waste flows. The study was carried out in the scope of a cooperation between KTH, the Swedish EnvironmentalProtection Agency, Municipality of Curitiba and local universities in Paraná,Brazil.
Den brasilianska staden Curitiba producerardagligen 2 500 ton MSW (municipal solid waste) som i dagsläget deponeras. Isyfte att hitta en mer hållbar lösning för avfallshantering ämnade denna studieundersöka potentialen för biogasproduktion via rötning genom att analyseragenomförbarheten av småskalig decentraliserad biogasproduktion samtcentraliserad produktion i kommersiell skala. En fältstudie genomfördes för attkartlägga specifika lokala omständigheter och samla in data genom intervjueroch litteratur. Olika metoder för insamling av organiskt avfall granskades ochalternativen för biogasproduktion utvärderades genom att jämföra de högstatillåtna investeringskostnaderna för ett positivt nettonuvärde av en framtidainvestering med uppskattade investeringskostnader från litteraturkällor.Småskalig decentraliserad biogasproduktion visade sig vara det bästaalternativet från ett ekonomiskt och socialt perspektiv. För centraliseradproduktion var resultaten tvetydiga men indikerade att en lönsam affärsmodellpotentiellt kunde utarbetas. Rötning av substrat med hög fuktighetshalt i en“floating-drum” reaktor eller en tub-formad reaktor bedöms vara bäst lämpat förbiogasproduktion i liten skala emedan ett kontinuerligt system för rötning avtorra substrat bedöms som det bästa alternativet för storskaligbiogasproduktion. Känslighetsanalysen visade att mängden insamlat organisktavfall samt priset på slutprodukterna hade störst påverkan på det ekonomiskautfallet. Studien påvisade även att en implementering av en rötningsanläggningskulle minska växthuspotentialen i avfallshanteringssystemet oavsett skala. Detrekommenderas att kommunen fortsätter med och utvecklar ett pilotprojekt iMercado Regional, samt undersöker möjligheterna för effektivare sophämtning ochsamlar mer specifika data om sammansättning och kvantitet för olika sopflöden. Arbetetutfördes som ett led i samarbetet mellan KTH, svenska Naturvårdsverket,Curitiba kommun och lokala universitet i Paraná, Brasilien.
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Olsson, Alexander. "A Comparative Study of Swedish and Chinese Biogas Production with a Brief Economical Feasibility Analysis." Thesis, KTH, Skolan för kemivetenskap (CHE), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-150785.

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This Master of Science and Engineering thesis in Chemical Engineering treats biogas production in China. The thesis is divided into two parts. The first part contains an energy potential and situation analysis of biogas in China and a comparison with the situation in Sweden. The biogas potential in China is 950-2180 TWh depending on source. Specially, the potential from fish waste is 11 TWh. Part 1 also includes batch experiments where co-digestion of corn straw and swine manure is performed using substrate from Dajugezhuang in Tianjin. The experiments were executed at Tianjin Academy of Environmental Science. The experiments do not show a significant reduction in COD when co-digesting manure with straw and are connected with uncertainty. The experiments should be executed again with the recommendations given in this report. It is discovered that the inoculum affects the C:Nratio a lot. When co-digesting experiments are being performed, an inoculum that have a C:N-ratio close to the desired must be used. This is due to that the organic loading rate must be kept low. Part 2 of this thesis is an economical feasibility analysis and market investigation of biogas in China. A model is created using excel, where economic data from biogas plants in China are used to estimate the profit of producing biogas in China. The model indicates that the most feasible choice is to upgrade the biogas and inject it to the gas grid. This is due to the lower investment cost for an upgrading unit compared to an electricity-generating unit. The model uses electricity and gas prices from different provinces in China. Guangdong is the province with the highest electricity price and Ningxia the province with the lowest electricity price. The gas price in Guangdong is also high, but highest in Guangxi and Yunnan. The lowest gas price is found in Ningxia. Part 2 also discuss problems with the current situation for biogas producers in China. Investment subsidies from the government instead of product subsidies has led to a situation where China has over 30 million biogas reactors, but very low yield. The current situation means low incentives for selling the products from anaerobic digestion, biofertilizers, bio-methane, electricity and heat. The grid connection limit on electricity generators of >500 kW limits the number of grid-connected plants to less than 10. vi
Detta examensarbete i kemiteknik behandlar biogasproduktion i Kina. Examensarbetet är uppdelat i två delar. Den första delen innehåller en energipotential och nulägesanalys av biogas i Kina och en jämförelse med situationen i Sverige (kapitel 1). Biogas potentialen i Kina är 950-2180 TWh beroende på olika källor. Speciellt är potentialen från fiskarens 11 TWh. Del 1 omfattar även satsvisa utrötningsförsök där samrötning av majshalm och svingödsel sker med hjälp av substrat från Dajugezhuang i Tianjin. Experimenten utfördes vid Tianjin Academy of Environmental Science. Experimenten visar inte en signifikant minskning av COD vid samrötning av grisgödsel med halm och försöken är behäftade med osäkerhet. De bör därför genomföras igen efter de rekommendationer som ges i denna rapport. Det upptäcks att den ymp som används påverkar C:N-kvoten mycket. När samrötningsexperiment genomförs, ska en ymp som har en C:N-kvot nära den önskade för försöket användas. Detta beror på att den organiska belastningen måste hållas låg. Del 2 i detta examensarbete är en feasibility-analys och marknadsundersökning av biogas i Kina. En modell skapades i Excel, där ekonomiska data från biogasanläggningar i Kina används för att uppskatta resultatet att producera biogas i Kina. Modellen visar att det mest ekonomiska sättet att använda biogasen är att uppgradera den och injicera det till gasnätet. Detta beror på den lägre investeringskostnaden för en uppgraderingsanläggning jämfört med ett elkraftverk. Modellen använder el- och gaspriser från olika provinser i Kina. Guangdong är provinsen med det högsta elpriset och Ningxia provinsen med det lägsta elpriset. Gaspriset i Guangdong är också hög, men högst i Guangxi och Yunnan. Det lägsta priset på gas finns i Ningxia. Del 2 diskuterar också problem med den nuvarande situationen för biogasproducenter i Kina. Investeringsstöd från staten i stället för subventioner av produkterna har lett till en situation där Kina har över 30 miljoner biogasreaktorer, men mycket lågt utbyte i reaktorerna. Den nuvarande situationen innebär få incitament för försäljning av produkterna från rötningsprocessen, bio-gödsel, bio-metan, el och värme. Den nätanslutningsgräns som finns för elproducenterna på >500 kW, begränsar antalet nätanslutna anläggningar i Kina till mindre än 10 stycken. vii
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Norr, Patrik. "Analysis and assessment of biogas production potential in Sweden for 2050." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-393916.

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The world is about to shift from fossil fuel dependency to independency. The national agenda of Sweden has put forth future goals of becoming a zero net greenhouse gas emitter by the year 2045 and before that, having an 80 % fossil fuel independent transportation fleet by 2030. In order to achieve these goals, the form of energy used in the transport sector needs to be changed into a more renewable solution. Biogas could be part of the solution. The aim of this report has been to review earlier research regarding the future biogas potential in Sweden and to examine how realistic and practically feasible these are. Three of the substrates that has shown the highest future potential according to earlier research; energy crops, manure and black liquor has been chosen for investigating their future potential. Interviews was made with biogas researcher in Sweden as well as government employees working with biogas and other biofuels. Scenario building was another method used were the report have created four future scenarios with varying optimistically future economic and technical outcomes using more practical limitations and restrictions. The result was a combined future potential of between 0,42 – 77,54 TWh/annually from all three substrates using the values and information gathered from the interviewers regarding how to calculate the potential. The result shows that depending on how lucrative the future financial support systems and subsidies as well as how efficient the technical breakthroughs will be, biogas can become a large contributor to the transport sectors transition in becoming less fossil fuel dependent.
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Tesfaye, Tefera Tadious. "Potential for biogas production fromslaughter houses residues in Bolivia : Systematic approach and solutions to problems related to biogas production at psychrophilic temperature." Thesis, KTH, Energi och klimatstudier, ECS, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48101.

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Residues from slaughter houses offer an abundant resource in Bolivia. The residues can beused for biogas production with biofertilizer as a bi-product. These resources are, however,currently not being used. Instead, they are released in water systems, implying heavycontamination, e.g., on the Lake Titicaca in western Bolivia. Severe environmental effects areobserved in the lake and connected water systems. The residues from slaughter houses are animportant part of the problem. If the contamination continues, important environmental values willbe lost. Information around the resource is scarce, since no extensive inventory has been carried out. It isestimated that officially registered slaughter houses in the four major cities of Bolivia aloneproduce over 75 tons of organic residues per day. This flow of residues has increased since theworld market for animal fodder based on blood dropped significantly. In addition, there is littleexperience of biogas production in cold environments at that altitude, almost4000 meters over sea level. Production of biogas from waste is one of the most common methods to generate energy and at thesame time best waste reduction methods. Biogas production can be practiced favoring one theextremities, that is, either for the purpose of energy production or waste reduction. In this thesis, the focus is on waste reduction, that is the slaughter houseresidues. Nevertheless, the ultimate outcome is always to reduce as much waste as possible and, atthe same time, generate profitable energy. There are many technological and financial challenges that have to be addressed to see the completerealization of the biogas concept. Therefore, this master thesis focus on producing biogas fromresidues of slaughter houses in the greater area around Lake Titicaca and studies whichtechnological issues have to be solved. Furthermore, analyzing how the biogas segment can befurther developed in Bolivia according to the appropriate technology selection is alsoinvestigated.
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Mezzullo, William G. "An interdisciplinary assessment of biogas production and the bioenergy potential within the South West of England." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527139.

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There is a growing need to reduce the use of fossil fuels for energy. A twofold reason exists for this: firstly these resources are finite; secondly the utilisation of these resources releases greenhouse gases which are known to contribute towards climate change. The rise in global population and energy use per person is adding to the unsustainable use of fossil fuels. There is the potential to reduce fossil fuel consumption in the South West of England. The region’s abundant natural resources could be used to reduce the overreliance on energy from fossil fuels. A key natural and renewable resource within the region is the availability of biomass. Bioenergy is a form of energy, derived from biomass. Bioenergy has the capability to displace the use of fossil fuels. Additionally, it has the potential to reduce the effect of climate change by absorbing carbon dioxide during the biomass production period. It has the possibility of being integrated into existing infrastructure and is one of the few renewable technologies which can satisfy an array of end-use energy requirements. This thesis highlights a unique method of assessing the potential of bioenergy in the South West of England using a multi appraisal technique. The initial assessment within this thesis has examined the resource availability of bioenergy based on biomass feedstock. Whilst quantifying the overall availability, constraints have been examined to determine the realisable potential of biomass as an energy source. The analysis has then assessed the drivers and barriers of bioenergy development within the region and contextualised this for the UK in general. Following the selection of a single bioenergy pathway (biogas production from anaerobic digestion), the technology has been assessed using a multi appraisal methodology. This methodology has involved the use of net-energy analysis, environmental life cycle assessment and financial investment assessments. The thesis demonstrates that the region has a notable resource availability of biomass. However, a number of barriers to development have been found which could impede the utilisation of this energy source. The selected bioenergy pathway of biogas from anaerobic digestion was found to eliminate some of these barriers. Assessing the potential of biogas using multi appraisal techniques highlighted that this pathway could, in some cases, offer positive environmental, energy and financial benefits.
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Ertem, Funda Cansu. "IMPROVING BIOGAS PRODUCTION BY ANAEROBIC DIGESTION OF DIFFERENT SUBSTRATES : Calculation of Potential Energy Outcomes." Thesis, Högskolan i Halmstad, Ekologi och miljövetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-15944.

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Global energy demand is rapidly increasing. In contrast, fossil fuel reserves are decreasing. Today, one of the major challenge is energy supply for the future. Furthermore, effects of global warming cannot be neglected anymore. Alternative energy sources such as biogas should be developed. The biomass has huge biogas potential. However, arable area in the world is limited. Therefore, substrate which will be used for biogas production should be chosen carefully. The objective of this study was to determine the biogas yields of different substrates. For this reason; red algae, green algae, mixture of brown and red algae, mixture of sugar beets and sugar beet leaves, mixture of straw and sugar beet leaves, mixture of maize and sugar beet leaves, straw, maize and ensiled ley were chosen to conduct a lab-based anaerobic digestion experiment. Biogas production and composition in mesophilic (37 OC) conditions during 25 days were measured and compared. The measurements were performed in a system consisting of 32, 1000 ml glass bottles with rubberstoppers. Potential energy production and energy requirements of each substrate were calculated. Methane yields ranged between 65.8 – 578.9 m3. t-1 VS (Volatile Solids). Whilst the highest methane yield was obtained from sugar beets, the lowest methane yields were obtained from the co-digestion of sugar beets and sugar beet leaves. The highest total energy potential for Sweden was obtained from ensiled ley and the lowest energy potential was obtained from maize. Sugar beet leaves were not good co-substrates, when they were digested with sugar beets, since they resulted in a decline in the methane yields. The highest total energy requirements for cropping and digestion were calculated for sugar beets. The lowest total energy requirements for cropping and digestion were calculated for ensiled ley. In the present study, digestion of sugar beets is suggested as good substrates for biogas production in Sweden, since it is more economical and helpful to solve the food&energy challenge. Although algae did not yield as much biogas as crops, they are interesting for biogas production since algae are considered a problem on the beaches and their high growth rates and abundance make them attractive for use in energy production. Due to lack of information, further studies are needed about economical aspects of algae for using in biogas plants.
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Granato, Eder Fonzar [UNESP]. "Análise de viabilidade técnica e econômica da biodigestão anaeróbia da vinhaça." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/141880.

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O Brasil produz anualmente 30 bilhões de litros de etanol de cana de açúcar com previsão do Ministério de Minas e Energia de atingir 36 bilhões de litros em 2024. A vinhaça é o resíduo líquido, rico em potássio e matéria orgânica que resulta da destilação do etanol, na proporção de 10 a 15 litros de vinhaça para cada litro de etanol. Disposto indevidamente, pode trazer sérios riscos para o ambiente devido ao alto potencial poluidor. Os estados de São Paulo, Paraná e Mato Grosso do Sul, possuem normas específicas sobre disposição desse resíduo, mas não atingem por completo o objetivo de controlar e mitigar os problemas, pois a disposição final da vinhaça se resume unicamente na fertirrigação sem qualquer outro tratamento. No presente trabalho, realizado no Laboratório de Biomassa do Departamento de Engenharia Rural da Faculdade de Ciências Agrárias e Veterinárias da UNESP de Jaboticabal, analisou-se a biodigestão anaeróbia da vinhaça, caracterizando-se a produção de biogás e a redução do potencial poluidor. Para tanto, foram efetuados estudos de viabilidade técnica da biodigestão anaeróbia da vinhaça analisando os parâmetros: neutralização do pH da vinhaça, utilização do reciclo e estabilização da temperatura da vinhaça. Para os três parâmetros citados foram registrados e analisados dados referentes a: produção de biogás (m3), composição do biogás (% de CH4 e CO2) e redução do potencial poluidor da vinhaça após biodigestão anaeróbia (DQO). No que diz respeito a produção do biogás, os resultados considerados relevantes foram na correção do pH (aumento de 97,5%) e no aquecimento do afluente (aumento de 79%). Em relação a composição do biogás, obteve-se, aumento de 9% de metano redução de 3,6% de dióxido de carbono quando se aquece o afluente. Quando se utiliza reciclo a redução de DQO aumentou em 50% e o aquecimento do afluente permitiu aumentou a redução em 62%, demonstrando a viabilidade técnica do presente estudo. Para se determinar a viabilidade econômica foram efetuados estudos referentes a: Demonstração do Fluxo de Caixa, Valor Presente Liquido, Taxa Interna de Retorno e Payback Descontado. Em relação ao Valor Presente Liquido, o resultado obtido foi de R$ 2.179.331,76, maior que zero. A Taxa Interna de Retorno foi de 8%, maior que 7,5% (Taxa Atrativa Mínima). O retorno do investimento pelo cálculo do Payback Descontado será em 5,54 anos, provando assim que o projeto é viável economicamente.
The Brazil annually produces 30 billion liters of ethanol from sugar cane with the Ministry of Mines and Energy forecast to reach 36 billion liters in 2024. The stillage is the liquid waste, rich in potassium and organic matter resulting from the distillation of ethanol in the proportion of 10 to 15 liters of vinasse per liter of ethanol. Willing improperly, can pose serious risks to the environment due to the high pollution potential. The states of São Paulo, Paraná and Mato Grosso do Sul, have specific rules on disposal of this waste, but do not reach completely in order to control and mitigate the problems because the final disposal of vinasse comes down solely in fertigation without any other treatment . In this study, conducted at the Laboratory of Biomass Department of Rural Engineering of the Faculty of Agricultural and Veterinary Sciences of Jaboticabal UNESP, analyzed the anaerobic digestion of vinasse, characterizing the production of biogas and reduce the pollution potential. Therefore, technical feasibility studies of anaerobic digestion of vinasse were made by analyzing the parameters: pH neutralization of vinasse, use of recycling and stabilization of vinasse temperature. For the three mentioned parameters were recorded and analyzed data for: biogas production (m3), biogas composition (% CH4 and CO2) and reduced pollution potential of vinasse after anaerobic digestion (COD). As regards the production of biogas, the results were considered significant at pH correction (increase of 97.5%) and heating the influent (79% increase). For biogas composition was obtained, an increase of 9% methane 3.6% reduction of carbon dioxide when heated affluent. When COD reduction using recycled increased by 50% and heating affluent allowed increased the reduction by 62%, demonstrating the technical feasibility of this study. To determine the economic feasibility studies were made regarding: Cash Flow Statement, Net Present Value, Internal Rate of Return and Discounted Payback. Regarding the Net Present Value, the result was of R$ 2,179,331.76, greater than zero. The internal rate of return was 8%, higher than 7.5% (rate Attractive Minimum). The return on investment by calculating the Discounted Payback will be 5.54 years, thus proving that the project is economically viable.
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Books on the topic "Biogas production potential"

1

Rommer, Thomas E. World biofuels production potential. Hauppauge, N.Y: Nova Science Publishers, 2009.

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Rice, Bernard. Potential for energy production from agricultural and forest biomass in Ireland. Dublin: Teagasc, 1997.

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Helynen, Satu. Production and consumption potentials for bioenergy in Finland to the year 2010. Espoo [Finland]: Technical Research Centre of Finland, 1999.

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Muller, M. S. Further characterization of CELSS wastes: A review of solid wastes present to support potential secondary biomass production. Kennedy Space Center, Fla: National Aeronautics and Space Administration, John F. Kennedy Space Center, 1996.

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Discover the production and uses of biogas: How 4 organic wastes are being successfully converted to biogas, thus providing the potential for energy savings and increased profits. Ottawa: Natural Resources Canada, 2002.

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Willie, Buchanan, Bradford Billy N, Tennessee Valley Authority. Office of Agricultural and Chemical Development., and National Fertilizer Development Center (U.S.), eds. Fuel production potential of several agricultural crops. Muscle Shoals, Ala: Tennessee Valley Authority, National Fertilizer Development Center, Office of Agricultural and Chemical Development, 1986.

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Ethanol and biofuels: Production, standards and potential. New York: Nova Science Publishers, 2009.

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P, Leland Wesley, ed. Ethanol and biofuels: Production, standards and potential. New York: Nova Science Publishers, 2009.

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United States. Congress. Office of Technology Assessment., ed. Potential environmental impacts of bioenergy crop production. Washington, DC: Office of Technology Assessment, U.S. Congress, 1993.

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Aldon, E. F. Natural production potential of some Rio Puerco soils in New Mexico. 1988.

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Book chapters on the topic "Biogas production potential"

1

Singh, Richa, Meenu Hans, Sachin Kumar, and Yogender Kumar Yadav. "Potential Feedstock for Sustainable Biogas Production and its Supply Chain Management." In Biogas Production, 147–65. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58827-4_8.

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Sawale, Shaileshkumar, Deepak Patil, Chaitanya Joshi, Basavaraj Rachappanavar, Debadatta Mishra, and Aarohi Kulkarni. "Biogas Commercialization: Commercial Players, Key Business Drivers, Potential Market, and Fostering Investment." In Biogas Production, 343–87. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58827-4_16.

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Surroop, Dinesh, and Osman Dina Bégué. "Original Research: Investigating the Potential of Using Biogas in Cooking Stove in Rodrigues." In Biogas Production, 229–58. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118404089.ch9.

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Dollhofer, Veronika, Sabine Marie Podmirseg, Tony Martin Callaghan, Gareth Wyn Griffith, and Kateřina Fliegerová. "Anaerobic Fungi and Their Potential for Biogas Production." In Biogas Science and Technology, 41–61. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21993-6_2.

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Pottipati, Suryateja, K. D. Yadav, and A. S. Kalamdhad. "The Potential of Biogas Production from Water Hyacinth by Using Floating Drum Biogas Reactor." In Integrated Approaches Towards Solid Waste Management, 215–23. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70463-6_20.

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Lourinho, G., P. S. D. Brito, and L. F. T. G. Rodrigues. "Experimental Biogas Production and Biomethane Potential of Swine Wastewater Among Different Production Stages." In Innovation, Engineering and Entrepreneurship, 675–81. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91334-6_92.

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Kolchakov, Viktor, Vera Petrova, Totka Mitova, Plamen Ivanov, and Svetla Marinova. "Possibilities for Biogas Production from Waste—Potential, Barriers, and Legal Notices." In Lecture Notes in Energy, 181–91. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26950-4_8.

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Delaide, Boris, Hendrik Monsees, Amit Gross, and Simon Goddek. "Aerobic and Anaerobic Treatments for Aquaponic Sludge Reduction and Mineralisation." In Aquaponics Food Production Systems, 247–66. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15943-6_10.

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AbstractRecirculating aquaculture systems, as part of aquaponic units, are effective in producing aquatic animals with a minimal water consumption through effective treatment stages. Nevertheless, the concentrated sludge produced after the solid filtration stage, comprising organic matter and valuable nutrients, is most often discarded. One of the latest developments in aquaponic technology aims to reduce this potential negative environmental impact and to increase the nutrient recycling by treating the sludge on-site. For this purpose, microbial aerobic and anaerobic treatments, dealt with either individually or in a combined approach, provide very promising opportunities to simultaneously reduce the organic waste as well as to recover valuable nutrients such as phosphorus. Anaerobic sludge treatments additionally offer the possibility of energy production since a by-product of this process is biogas, i.e. mainly methane. By applying these additional treatment steps in aquaponic units, the water and nutrient recycling efficiency is improved and the dependency on external fertiliser can be reduced, thereby enhancing the sustainability of the system in terms of resource utilisation. Overall, this can pave the way for the economic improvement of aquaponic systems because costs for waste disposal and fertiliser acquisition are decreased.
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Abidi, Samira, Gmar BenSidhom, Sana Amdouni, Mohamed Hechmi Aissaoui, and Aïda Ben Hassen Trabelsi. "Evaluation of the Methanogenic Potential of Tunisian Vegetables and Fruit Wastes: Biogas Production and Characterizations." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition), 1739–44. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-51210-1_275.

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Montañez-Hernández, Lilia E., Inty Omar Hernández-De Lira, Gregorio Rafael-Galindo, María de Lourdes Froto Madariaga, and Nagamani Balagurusamy. "Sustainable Production of Biogas from Renewable Sources: Global Overview, Scale Up Opportunities and Potential Market Trends." In Sustainable Biotechnology- Enzymatic Resources of Renewable Energy, 325–54. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95480-6_13.

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Conference papers on the topic "Biogas production potential"

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Bielski, Stanislaw. "THE POTENTIAL FOR AGRICULTURAL BIOGAS PRODUCTION IN POLAND." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b41/s17.075.

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Dubrovskis, Vilis, Imants Plume, and Indulis Straume. "Investigations of biogas production potential from grass hay pellets." In 17th International Scientific Conference Engineering for Rural Development. Latvia University of Agriculture, 2018. http://dx.doi.org/10.22616/erdev2018.17.n413.

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Ulusoy, Yahya, and Ayse Hilal Ulukardesler. "Biogas production potential of olive-mill wastes in Turkey." In 2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2017. http://dx.doi.org/10.1109/icrera.2017.8191143.

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Khelidj, B., B. Abderezzak, and A. Kellaci. "Biogas production potential in Algeria: Waste to energy opportunities." In 2012 International Conference on Renewable Energies for Developing Countries (REDEC). IEEE, 2012. http://dx.doi.org/10.1109/redec.2012.6416703.

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Khotmanee, Saran, and Unnat Pinsopon. "A Study on Biogas Production Potential in Thailand 2019." In 2021 7th International Conference on Engineering, Applied Sciences and Technology (ICEAST). IEEE, 2021. http://dx.doi.org/10.1109/iceast52143.2021.9426287.

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Ećim Đurić, Olivera, Dragan Kreculj, Danijela Živojinović, and Miloš Vorkapić. "Potential of agricultural biomass in biogas production systems in the Republic of Serbia." In 8th International Conference on Renewable Electrical Power Sources. SMEITS, 2020. http://dx.doi.org/10.24094/mkoiee.020.8.1.63.

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According to official data, biomass represents the most significant potential of renewable energy sources in the Republic of Serbia. It accounts for about 63% of the total potential, but for now its use is not at a satisfactory level. In total amounts of 14,2·104 TJ, it is estimated that about 9,6·104 TJ is unused. This is still evidently a large available potential, especially in agricultural biomass, with the exception of the binding share of biofuels in the transport sector, whose annual potential is around 7,1·104 TJ. The main obstacles for more intensive biomass processing continue to be the high costs of manipulation, the dispersion of land holdings and especially the time mismatch in the production, processing, and use of biomass, which certainly increases storage costs. In the former analyzes, the most widespread use in households, biomass has in direct combustion and production of thermal energy, or in the production of pellets and briquettes, where it is still less represented in relation to forest biomass. Although in the last few years the growth trend of biogas power plants is growing, and the total installed capacity is about 20 MW, this sector has the greatest potential for development in the coming years, especially in local communities, that are primarily focused on agricultural production. The paper deals with the condition analysis of the production, processing, transport, and the possibility of applying agricultural biomass, for the purpose of cogeneration electricity and heat production. The impact of the use of biomass on the protection and sustainability of the environment is also considered, through the analysis of a case study on the examples of territorial units in Vojvodina.
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Qiuxia, Wang, Xu Rui, Li Jianchang, Duan Huanyun, Yuan Yage, and Han Jiahong. "One study on biogas production potential character of coffee husks." In 2013 International Conference on Materials for Renewable Energy and Environment (ICMREE). IEEE, 2013. http://dx.doi.org/10.1109/icmree.2013.6893644.

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Walter, Gary Robert, Roland Benke, and David Pickett. "Potential Radon Emissions Due to Biogas Generation at TENORM Land Disposal Sites." In SPE/EPA/DOE Exploration and Production Environmental Conference. Society of Petroleum Engineers, 2005. http://dx.doi.org/10.2118/93934-ms.

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Vargas-Salgado, Carlos, Jesús Aguila-León, Cristian Chiñas-Palacios, and Lina Montuori. "Potential of landfill biogas production for power generation in the Valencian Region (Spain)." In CARPE Conference 2019: Horizon Europe and beyond. Valencia: Universitat Politècnica València, 2019. http://dx.doi.org/10.4995/carpe2019.2019.10201.

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Landfills are one of the most common ways to dispose the solid urban waste in many countries due to their relatively simple technical requirements, operational costs and low investment. Moreover, biogas produced in landfills can be used as a renewable energy source for power generation. The Valencian Region is one of the largest solid urban waste producers in Spain, and therefore, it has an unexplored potential of landfill biogas production. This paper aims to estimate the potential of biogas landfill production for power generation in the Valencian Region. Statistical data from solid urban waste in landfills in the provinces of Alicante, Castellón, and Valencia was gathered. Then the potential of landfill biogas production was estimated by means of waste classification for each province. To provide information related to the use of landfill gas as an alternative source of energy, results presented in this work show that the Valencian Region has an important potential to use landfill biogas from solid urban waste as a renewable source for power generation, and also provide information to the regional government, academic researches, policy makers and investors.
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RUSANOWSKA, Paulina, Magda DUDEK, Marcin ZIELIŃSKI, and Marcin DĘBOWSKI. "BIOGAS POTENTIAL OF DIGESTATE AFTER FERMENTATION OF SIDA HERMAPHRODITA SILAGE." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.194.

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Lignocellulosic biomass is one of the most widely used substrate in methane digestion. Among plants with a high yield potential, Sida hermaphrodita is particularly noteworthy, due to Sida can be grown on low quality soils and its utilization for energy purposes is not competitive with food crops. Methane fermentation of biomass with such a complex structure usually requires application of pre-treatment methods for efficient utilization of its cellulose and hemicellulose. It is economically justified to control of digestate if substrate was efficiently used. The study aimed to measure biogas potential of digestate after fermentation of Sida hermaphrodita silage. The post-fermentation of two samples of digestate from the reactors operated at organic compounds loading 2 kg/(m3∙d) – S1 and 3 kg/(m3∙d) – S2 was performed. Hydraulic retention time in these reactors was 50 d and 33 d, respectively. Biogas potential of fermented sludge was measured with the use of AMPTS II (Bioprocess control). Biogas production was 0.012 L/g TS and 0.031 L/g TS from digestate’s S1 and S2, respectively. The methane content in biogas was 15% from digestate S1 and 50% from digestate S2. The obtained results suggest that digestate from reactor with organic compounds loading of 3 kg/(m3∙d) still has high biogas potential, and hydraulic retention time in this reactor should be prolonged.
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Reports on the topic "Biogas production potential"

1

Charles Sink, Chugachmiut, and EERC Keeryanne Leroux. The Potential for Biomass District Energy Production in Port Graham, Alaska. Office of Scientific and Technical Information (OSTI), May 2008. http://dx.doi.org/10.2172/927962.

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Clippinger, Jennifer N., and Ryan E. Davis. Techno-Economic Analysis for the Production of Algal Biomass via Closed Photobioreactors: Future Cost Potential Evaluated Across a Range of Cultivation System Designs. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1566806.

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