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Dissertations / Theses on the topic 'Biogas from livestock waste'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Lopes, Merwyn. "Feasibility study: Biogas in Sonderborg." Thesis, KTH, Industriell ekologi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33068.

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The purpose of this feasibility study has been to guide decision makers in the implementation of abiogas project for the region of Sønderborg, Denmark. The project has been part of Feasibility studies envisioned in the Master Plan for Sønderborg to go carbon neutral by 2029. The study tried to evolve abest alternative for the city and gives a ready document to refer all aspects of biogas. The intensive industrial farming in Sønderborg needs to evolve to compare favorably with the situationin other regions of Denmark. The interests of various stakeholders in the waste cycle should be alignedwit

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2

Meneses, Quelal Washington Orlando. "Optimization of Anaerobic Codigestion Processes of Lignocellulosic Materials of Difficult Degradation with Residues from Andean Livestock." Doctoral thesis, Universitat Politècnica de València, 2022. http://hdl.handle.net/10251/171722.

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Tesis por compendio<br>[ES] El acceso a fuentes de energía moderna en las áreas rurales de la región andina es uno de los factores principales para disminuir la pobreza ya que su acceso proporcionaría beneficios ambientales, económicos y sociales. Pese a los esfuerzos de buscar fuentes alternativas para subsanar el déficit energético, aún existen millones de personas que sufren la falta de accesibilidad a fuentes de energía moderna, situación que se debe a los altos niveles de pobreza bajo los cuales se encuentran inmersos. Junto a este inconveniente se suma el enorme incremento de residuos

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3

Jacobsen, Forsberg Ida-Renée. "Biogas from Livestock Manure : Microbial Community Analysis of Biogas Reactors." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bioteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19391.

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The aim of this experiment was to monitor the microbial communities in two biogas reactors and evaluate the efficiency of denaturing gradient gel electrophoresis (DGGE) as a technique for visualizing shifts in the microbial compositions. The reactors were followed from September 2011 to May 2012. The first reactor is a pilot scale upflow anaerobic sludge blanket (UASB) reactor situated at Foss farm outside of Porsgrunn, running on cow manure. The second reactor is lab scale and situated at Telemark University College, running on pig manure. Samples were taken from the reactors at regular inter

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4

Lucas, Carlos Krus Galvão. "Biogas production from potato peel waste." Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/12337.

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Rajendran, Karthik, and Gopinath Balasubramanian. "High rate biogas production from waste textiles." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20787.

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Textile is a global product used by all people in the world. These textiles after the use are thrown into the trash for incineration or land filling. However an efficient way that can be used to produce more energy, in an environmentally friendly process is anaerobic digestion. Waste textiles which contain cellulosic fibers (e.g. Cotton and viscose) can be converted to biogas. In this study, the performance of a two-stage anaerobic digestion process for biogas production from four different materials, including untreated jeans, treated jeans, cotton, and starch was studied. Starch was used as

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6

Pudasaini, Anup. "Evaluation of biogas generation from turkey waste." Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/727.

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This project investigates local industrial biomass streams as feedstocks for the generation of low-cost sustainable energy for The University of Iowa. Methane gas produced during anaerobic digestion would fuel an engine to generate electricity at the University of Iowa Research Park (Oakdale Campus). A current local industry identified for this project is West Liberty Foods (WLF), a turkey processing facility located in West Liberty, Iowa, USA. WLF generates about 6,000 gal/day of blood, 40,000 lb/day of offal (guts), 6,000 lb/day of sludge (process waste water) and 2-4 truckloads/day of feath

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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

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8

Tukana, Andrew, University of Western Sydney, of Science Technology and Environment College, and School of Environment and Agriculture. "A study of biogas digesters as an animal waste management tool on livestock farming systems in Fiji." THESIS_CSTE_EAG_Tukana_A.xml, 2005. http://handle.uws.edu.au:8081/1959.7/632.

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Ever since 1976, livestock farmers in Fiji have been intrigued about biogas digesters as an animal waste management measure, but the concept has never evolved into one that is sustainable. Renewed interest came in 1997 after a better Chinese Modified Dome (CMD) design was established, with this came government funding, however by 2002, some failure was also observed. This study set out to investigate the reasons why biogas digesters have never been established as a sustainable concept, its effectiveness as an animal waste management tool and what changes if any, can be made to try and influenc

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Tukana, Andrew. "A Study of biogas digesters as an animal waste management tool on livestock farming systems in Fiji /." View thesis, 2005. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20060502.151953/index.html.

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Thesis (M. Sc.) (Hons) -- University of Western Sydney, 2005.<br>" A thesis presented to the School of Environment and Agriculture, University of Western Sydney, in fulfilment of the requirements for the degree of Master of Science (Honours)." Includes bibliography : leaves 165 -175, and appendices.

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10

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

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11

Dornack, Christina. "Biogas production from organic waste and biomass - fundamentals and current situation." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-99414.

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The use of renewable waste for bioenergy production is in discussion because of the concurrence to the food or animal feed. The treatment of organic waste is necessary in order to keep clean the environment. The combination of those proposals, the waste utilization and the production of renewable energy can be combined with several techniques. In Vietnam the energy demand will increase rapidly in the next years, because a lot of people do not have access to electricity. The development of power sources is limited mainly to large central power plants using hydropower and traditional fossil fuel

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12

Ananthu, Ottakuttiyankel Saji. "Small Scale Biogas Production by using Food Waste- Examples from three Restaurants." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-39290.

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Global warming is the one of the most dangerous threats that the entire world is facing today. The emission of greenhouse gases is increasing the impact of global warming. In such a situation, reduction of GHG emissions and finding an alternative source of energy is more and more important. The production of biogas from food wastes is considered as a suitable way for the reduction of GHGs emission. The production of this type of renewable energy is very popular in Asian countries, especially in countries like India and China. Biogas production never creates any harmful effects to the environme

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13

Aslanzadeh, Solmaz, and Peyruze Özmen. "Biogas production from municipal waste mixed with different portions of orange peel." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-19554.

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Orange cultivation is a huge industry which increasing for each year. By the year 2010 theorange production of the world is expected to reach 66.4 million tons per year. Most of theoranges are used for orange juice production. Consequently, a large amount of organic wastes,including seeds, segment membranes and peel, counting up to half of the weight of usedoranges, are generated As alternatives to land filling and incineration, source separation andcomposting together with biogas production are being considered as suitable methods fortreating this fraction of wastes, because it holds a high a

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14

Owusu-Agyeman, Isaac. "Recovery of organic carbon from municipal waste streams." Licentiate thesis, KTH, Kemiteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-260305.

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The focus of the current study was on the recovery of carbon from municipal bio-waste streams. Firstly, the relationship between methanogenic pathways and the properties of anaerobic granules was studied using two pilot-scale upflow anaerobic sludge blanket (UASB) reactors with different granule size distribution. UASB1 granules were larger (3-4 mm) with multi-layered internal structure and the archaeal community was dominated by acetoclastic methanogens, while the UASB2 granules were smaller (1-2 mm) without a layered internal structure and the archaeal community was predominated by hydrogeno

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15

Bolin, Lisa, Hui Mien Lee, and Mattias Lindahl. "LCA of Biogas Through Anaerobic Digestion from the Organic Fraction of Municipal Solid Waste (OFMSW) Compared to Incineration of the Waste." Linköpings universitet, Industriell miljöteknik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-51291.

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Production of biogas through anaerobic digestion (AD) from the organic fraction of minucipal solid waste (OFMSW) was compared to incineration of the waste. At the moment, almost all of the OFMSW in Singapore is incinerated. Three different scales of biogas plants were compared to incineration: one large-scale biogas plant that can treat half of all OFMSW in Singapore; one medium- scale biogas plant about 15 times smaller than the large one; and one small-scale biogas plant that can treat waste from e.g. a shopping centre or food centre. Two alternatives for utilization of the biogas were also

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16

Önder, Deniz. "Biogas Production from Household Wastes : A Quantitative Feasibility Study for Student Apartments in Albano." Thesis, KTH, Industriell ekologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-139100.

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Biogas is an environmentally friendly energy source with great importance for sustainable development. The purpose of this study is to determine the feasibility of setting up a biogas plant at the student housing area planned at Albano in Stockholm. The possibility of attaining self-sustainability in Albano is also investigated. After compiling the processes for converting household waste into biogas through a literature study, a quantitative feasibility study of setting up a biogas plant is carried out. The usable amount of household waste is determined through an empirical study. Investment

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17

Soupir, Michelle Lynn. "Release and Transport of Bacteria and Nutrients from Livestock Manure Applied to Pastureland." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/34471.

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<p>Transport of fecal bacteria and nutrients from point and nonpoint sources to surface water bodies is of significant concern in Virginia and the United States. In Virginia, 4,320 river miles are impaired for one or more beneficial use and 72% of the streams are impaired due to pathogen indicators (VDEQ, 2002). Land applications of manure from confined animal systems and by direct deposit by grazing animals are both major sources of fecal bacteria and nutrients in runoff. Therefore, an understanding of the overland transport mechanisms for fecal bacteria and nutrients is very important for

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18

Hedberg, Erika, and Helén Danielsson. "Potential for Absorption Cooling Generated from Municipal Solid Waste in Bangkok : A Comparison between Waste Incineration & Biogas Production with Combustion." Thesis, Linköpings universitet, Industriell miljöteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57240.

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This master’s thesis has been performed in Bangkok, Thailand at the company Eco Design Consultant Co., Ltd. The aim is to investigate the possibilities to generate absorption cooling from municipal solid waste in the Bangkok area. The investigation includes a comparison between waste incineration and biogas production with combustion to see which alternative is preferable. During the investigation, a Swedish perspective has been used. The research for the report mainly consisted of published scientific articles from acknowledged sources as well as information from different Thai authorities. A

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19

Ndlovu, Hendry. "Ash from homestead fireplaces and wood as possible sources of minerals for livestock." Diss., Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-06172008135050.

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20

Branson, Johannah Helen. "The farm-level impact of policies to reduce nitrate emission from livestock waste : an economic analysis." Thesis, University of Exeter, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300519.

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21

Rajaratne, Wilfred Mahes, and Arachchige Kumara Omalaka Danushka Panagoda. "Feasibility Study of Biogas Generation from Municipal Solid Waste and Sewerage within the Colombo City Limits." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147846.

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Colombo City is the commercial capital of Sri Lanka with an estimated resident population of over 750,000 spread over 3741 hectares (ha) and has a population density over 1188 per ha. It is located in the western coast of Sri Lanka and is in wet zone. The topography is of flat terrain with a mix of land and water. Considering the population and the limited undeveloped land available, the disposal of Municipal Solid Waste (MSW) and Sewer is a major environmental problem in Colombo. The major object of this thesis is to identify and evaluate a productive waste management system that is not only

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22

Al, Naami Adam. "Techno-economic Feasibility Study of a Biogas Plant for Treating Food Waste Collected from Households in Kartamantul Region, Yogyakarta." Thesis, KTH, Energi och klimatstudier, ECS, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-228232.

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This thesis presents the potential of biogas production using food waste collected from the region of Kartamantul in Yogyakarta, Indonesia. Biogas can be used for cooking and generating electricity. The study compares two different end uses or markets for utilizing the biogas in the region. The daily food waste collected in the region of Kartamantul is 120 tonnes. This corresponds to a daily biogas production of 13 087 m3. Electricity generated from biogas can replace fossil-based coal electricity while cooking biogas can substitute the common fossil fuel liquefied Petroleum Gas (LPG). The pri

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23

Kythreotou, Nicoletta. "Investigation and analysis through modelling of the potential for renewable energy production and mitigation of greenhouse gas emissions from anaerobics digestion in Cyprus." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/9111.

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Biodegradable wastes cause high emissions of greenhouse gases (GHG) if not properly treated. The emissions can be reduced by the development of an effective waste management strategy. Waste-to-energy technologies, such as anaerobic digestion (AD) can be utilised for this purpose. Biomass energy from wastes is of particular interest to Cyprus that has to meet legal commitments for reducing its GHG emissions by 5% compared to 2005 levels and increase the contribution of renewable energy sources to 13% by 2020. This research project is making a significant contribution to this effort. The researc

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Barbot, Yann Nicolas [Verfasser], Roland [Akademischer Betreuer] Benz, Laurenz [Akademischer Betreuer] Thomsen, and Florian [Akademischer Betreuer] Kuhnen. "Biogas from marine macoalgal waste / Yann Nicolas Barbot. Betreuer: Roland Benz. Gutachter: Roland Benz ; Laurenz Thomsen ; Florian Kuhnen." Bremen : IRC-Library, Information Resource Center der Jacobs University Bremen, 2014. http://d-nb.info/1081256028/34.

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25

Nygren, Viktor. "A Social Ekonomic Study of a Small-Scale Biogas Facility. : Designing and construction for a single household for the production of biogas from easily accessible substrates such as human faeces, household waste, garden waste and manure." Thesis, Karlstads universitet, Institutionen för ingenjörs- och kemivetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-36085.

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Increased access to energy is a key factor to reduce poverty and to gain increased development and prosperity. Access to energy is not equally distributed globally. On average a Swedish person consumes more energy than 12 individuals in Tanzania. The Msambara village arose in the 1930s. 80% of the inhabitants are children and the families are large. Life expectancy is 52 years for women and 54 for men. The entire region is very poor and the standard of living in Msambara is low, even compared to other parts of the country. In rural Msambara in Tanzania the cooking method is very primitive and

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Moran, Enrique. "Improving waste management systems from households in Peru. : An economic, social and ecologic profitable investment." Thesis, Linnéuniversitetet, Institutionen för byggd miljö och energiteknik (BET), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-54504.

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In the waste management system of Peru, there is a lot to fix, change and improve from households areas. In this report is presented why and how necessary is the construction of landfills to have an appropriate place to dispose the waste of the collection .At the same time, the report shows how profitable can be from social, economic and ecologic way, with the investment of treatment plants that use biogas from the landfills to produce energy. Differents solutions – vehicle fuel production, electricity generation etc – are discussed in light of the different economy, geography and social situa

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27

Agustini, Caroline B., Costa M. Da, M. Gutterres, and A. C. C. Pena. "Monitoring of biogas production from tannery solid wastes at-line in a laboratory-scale anaerobic digester - 163." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34307.

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Content: The understanding of how chemical, physical and environmental parameters work during anaerobic digestion production and waste treatment is an important step in improving the efficiency and process stability. This study provides the evolution of the biogas production and the efficiency of the treatment of the anaerobic digestion of solid wastes of tanneries at-line monitored in batch laboratory-scale bioreactors. Leather shavings and sludge from wastewater treatment plants substrates were considered in the study. The findings suggest that AD of the tannery solid waste can be separated

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Huber, Sebastian. "Small-scale biogas production from organic waste and application in mid-income countries – a case study of a Lebanese community." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385775.

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The controlled anaerobic digestion of organic waste in a biogas facility aggregates advantages of waste treatment, energy recovery and nutrient recycling and is a promising technology to deal with contemporary issues of waste management and energy recovery. Small-scale biogas production units can be simply designed and successfully operated even in settings where means for advanced technology equipment are low and institutional capacities limited. In the country of Lebanon, landfilling and open dumping of solid waste is common practice and anaerobic treatment of waste is applied only sporadica

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Sadri, Sahar. "Exploring business models for export of environmental technology : Cases from Linkoping city, Sweden." Thesis, Linköpings universitet, Projekt, innovationer och entreprenörskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97718.

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At present time, climate and energy issues are important subjects in the international market and environmental technology is a rapidly growing concept. Many companies in Sweden have developed much in-house knowledge in environmental technology. Therefore, they have great opportunity to export. In the sustainability perspective, export has not only benefits in the economic aspect, but also advantages for the environment. Development of appropriate business models is necessary for supporting environmental technology export.In this research an attempt was made to explore business model elements

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Hjalmarsson, Louise. "Hydrolysis of waste activated sludge from pulp and paper mills : effect on dewatering properties and biogas potential by utilizing existing side streams." Thesis, Linköpings universitet, Tema Miljöförändring, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176914.

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A big challenge within pulp and paper mills is the large quantities of waste activated sludge (WAS) that is produced during the wastewater treatment. The WAS is made up of biological cells and extra polymeric substances (EPS) and can bind a large amount of water causing difficulties to dewater the WAS. This study aimed to determine how to improve the dewatering properties of the WAS by using hydrolysis. Hydrolysis will cause the cells to disrupt and the bound water in the cells and the water trapped by the EPS can be released. Specifically, this study investigated what impact hydrolysis with h

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Hasan, A. S. M. Monjurul. "The biogas potential from municipal waste and agricultural residues in Hazaribagh, Dhaka city, Bangladesh : - a possible strategy to improve the energy system." Thesis, Linköpings universitet, Industriell miljöteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-130692.

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Energy is considered as the foremost significant factor towards socio-economic growth. Due to the rapid growth of industrialization in Bangladesh, the need of energy is increasing day by day. Considering the environmental issues, sustainable solutions are needed to address the energy crisis. Energy generation from waste through biogas can be a good solution that can address both the energy demand as well as the waste management issue. The overall aim of this master thesis is to analyze Hazaribagh’s biogas potential from municipal waste and agricultural residues and estimate how much electri

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Oliveira, Francisco Diego AraÃjo. "Proposal for a selective collection of the organic fraction of solid waste aiming its use for the generation of biogas from anaerobic digestion of." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13930.

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The National Solid Waste Policy recommends that, in adequate final disposal, only unserviceable waste should be released, which it is not the case of organic waste that accounts more than half of the municipal solid waste generation in the country. In this context, this research aimed to develop a proposal for a selective collection of the organic fraction of household solid waste (OFHSW) in Pici neighborhood, Fortaleza-CE, aiming its use for the generation of biogas from the anaerobic digestion. This research occurred in 05 (five) steps, namely: the development of the environmental education

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Malla, Lesego. "Greenhouse gas mitigation cost of energy from biogas : a techno-economic analysis of co-digestion of three types of waste in Cape Town." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/12489.

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This paper investigates, in the context of Cape Town the emission reduction potential (ERP) of energy from biogas and related cost. Two project-scale models and a city-scale model were developed. Substrates for project model 1 were organic fraction of municipal solid waste (OFMSW) and primary sludge (PS) from sewage works. Project model 2 considered waste paper sludge (WPS) and PS. For the city-scale model, substrates for project model 1 were extended to include total amounts of OFMSW and PS generated in Cape Town. Financial results show that at the REFIT tariff model 1 would have a higher int

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Bombardiere, Ysabel Estrada. "The Potential of Anaerobic Digestion Technology to Treat Coffee Waste in Huatusco, Mexico." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1152557924.

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Kolařík, Ivo. "Návrh zařízení pro termomechanickou předúpravu BRO." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229725.

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The main objective of this master’s thesis is to develop design equipment for thermomechanical pre-treatment of biodegradable waste. An important aspect of the design is taking into account current legislation, sanitary conditions for determining the pre-treated biodegradable material, which also serves as a raw material for biogas production. So the device will be used to monitor the impact of thermomechanical pre-treatment of biodegradable waste for biogas recovery. The following describes the processes of anaerobic decomposition of biodegradable materials and technology, whose main task is

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Jeppsson, Knut-Håkan. "Aerial environment in uninsulated livestock buildings : release of ammonia, carbon dioxide and water vapour from deep litter and effect of solar heat load on the interior thermal environment /." Alnarp : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5751-3.pdf.

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Nguyen, Vo Chau Ngan, Thi Ngoc Luu Huynh, Hoang Viet Le, Ngoc Quynh Do, and Ngoc Em Nguyen. "Pollution minimizing at traditional craft village by micro-credit program - case study from Tan Phu Dong rice flour production village." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-99186.

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This paper introduces the results of a project initiated by Cantho University (CTU) on the introduction of micro-credits for addressing the environmental pollution in Vietnam’s craft villages. At Tan Phu Dong, a traditional rice powder production village in Sa Dec, Dong Thap, all wastes from domestic and production activities and animal husbandry were freely disposed into open water sources. This practice led to a negative impact on the local environment. With the financial support provided by the Bread for the World (BfdW), a micro-credit program was initiated in which farmers could borrow mo

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Thull, Jean-Paul. "Management of stock effluent spillage from trucks in New Zealand." Lincoln University, 1999. http://hdl.handle.net/10182/778.

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The key objective of this multi-disciplinary research was to seek for feasible solutions to avoid effluent from livestock trucks spilling onto roads. Stock effluent spillage mainly poses road safety hazards and environmental damage, and also causes offence to road users and tourists. This task required reviewing previous institutional actions, assessing the power of the existing legislation, and evaluating the interests and attitudes of the stakeholder groups involved in the overall livestock supply chain. It was also necessary to consider politics, administration, public policy and economics,

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Hughes, Kevin Lewis William. "Optimisation of methane production from anaerobically digested cow slurry using mixing regime and hydraulic retention time." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/18869.

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AD is regarded as a sustainable technology that could assist the UK Government meet internationally agreed GHG emission targets by 2050. However, the mature status of the technology is based on expensive systems that rely on high energy feedstock to be profitable. Meanwhile, the natural biodegradation of cow slurry is a recognised contributor to climate change despite having a relatively low CH4 potential because of the large volumes produced. Economic mixing is essential to the cost-effectiveness of farm AD but techniques applied are not always appropriate as slurry is a shear thinning thixot

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Wong, Cheng-Hsin, and 翁震炘. "Livestock Waste Composting from the Veterinary Public Health Perspective." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/65797693087676278501.

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碩士<br>國立中興大學<br>獸醫學系<br>86<br>If the 12.9 million metric ton of livestock waste that were productedannually in Taiwan were not properly disposed of or processed, they mayresult in the pollution of the rural environment and water resources,andmay also be detrimental to the prophylaxis and control of livestock andhuman diseases. Under highly aerobic condition, livestock waste, which contain a high degree of organic content and thermophilic bacteria, canstart the composting process and the te

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Hung, Ming-Cheng, and 洪銘正. "Metallic Characteristics of Emissions from the Livestock Waste Incinerators." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/41420748382262284046.

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碩士<br>國立屏東科技大學<br>環境工程技術研究所<br>86<br>The objectives of this research are to investigate the emission metallic chara cteristics of three animal corpse incinerators in Pingtung County and to understand the metallic distribution in the incinerators and the parameters that in fluenced the metal emission. The stack flue-gas samples(part偞ate and heavy metals) were collected by an isokinetic sampling system. Heavy metal samples were digested by an autoclave digestor and w愉e analyzed primarily by an inductively coupled plasma emission sepectrometry CP-AES). The concentration and particle-

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Hsieh, Cheng-Jer, and 謝政哲. "Research on Biodiesel Production from Waste Sludge of Livestock Industry." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/04388103382615310096.

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碩士<br>國立臺灣大學<br>動物科學技術學研究所<br>103<br>The cost of treating excess or waste sludge is about 20~50% of total wastewater treatment. Sewage sludge can be the feedstock of producing biodiesel, and it is fatty acid methyl ester (FAME) and a kind of renewable energy. The target of study is try to solve problem of excess livestock sludge by producing biodiesel and evaluates its feasibility by using waste livestock sludge including swine farm, dairy cattle farm and slaughterhouse sludge. These waste livestock sludge were used and produced FAME by acid-catalyst transesterification in this study. The

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Chiu, Shui-Chi, and 邱瑞基. "Emission of Polycyclic Aromatic Hydrocarbons from the Livestock Waste Incinerators." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/36215599760932064927.

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碩士<br>國立屏東科技大學<br>環境工程技術研究所<br>86<br>The objective of this research is to investigate the emission characteristics of PAHs from two livestock waste incinerators and one batch-type medical waste incinerator in Pingtung County. The results of this study can be used to estimate the emissions, and establish the regulation and emission reduction strategy. The flue gas samples were taken by a gas-particle phase PAHs sampling instrument with a condensing system. Twenty-one constituents of PAHs were analyzed by the GC/MS. The primary results of This study w

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Chen, Kuan-Ju, and 陳冠儒. "Study of anaerobic digestion to produce biogas from de-aggregation organic waste." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/az48fw.

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碩士<br>國立交通大學<br>分子醫學與生物工程研究所<br>106<br>Petrochemical fuel damage environment and produce green-house gas emission. The researches for alternative energy can meet the environment protection. Biogas is one of good choose for alternative energy because it turns waste into energy and produces a similar heat value as natural gas. According to UN statistical data, the agricultural biomass is generated more and more for every year. The energy efficiency is equivalent to 25 percent of global oil production. The agricultural waste is composed of cellulosic compounds that are aggregated by pentose or he

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Kazoka, Arthur. "Optimisation of energy recovery from domestic animal waste." 2013. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000732.

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M. Tech. Civil Engineering<br>Rural communities in South Africa and Africa as a whole are faced with a problem of the lack of reliable, efficient, sustainable and affordable energy sources. This problem serves as a catalyst to the slow economic development of the rural communities. In order to eradicate the problem and expedite economic development, a need exists to expand energy supply from the national grid or introduce alternative clean, sustainable, environmentally friendly and affordable energy sources to rural areas. However, expanding the national grid would not be sustainable in the lo

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Bowers, Keith Edison. "Development of a struvite crystallizer for reducing phosphorus in effluent from livestock waste lagoons." 2002. http://www.lib.ncsu.edu/theses/available/etd-11042002-164459/unrestricted/etd.pdf.

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(9116024), Jennifer A. Rackliffe. "Effect of Acclimatization Rate on Biogas Production from Anaerobic Digestion of Biodiesel Waste Products." Thesis, 2020.

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Anaerobic digestion can be used to sustainably treat the organic byproducts of the biodiesel process (crude glycerol and biodiesel wastewater) while generating a renewable natural gas to be used for heating or electricity generation. The purpose of this thesis was to (1) investigate the possibility of co-digestion of biodiesel byproducts without use of external substrates or pretreatment and (2) assess the impact of various acclimatization rates on the stability and efficiency of such a system. Two inocula (effluent from a wastewater

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Silva, Leonardo. "Screening of process conditions for the production of biogas from diluted organic waste streams using microreactors." Master's thesis, 2014. http://hdl.handle.net/10400.1/8124.

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Dissertação de Mestrado, Engenharia Biológica, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2015<br>A utilização das energias renováveis tem vindo a aumentar nos últimos anos devido à diminuição do crude e dos seus efeitos negativos para o planeta (efeito estufa). Alternativas a esta fonte de energia são necessárias. Existem várias alternativas designadas verdes aos combustíveis fósseis, nomeadamente, energia do vento, energia solar e energia proveniente de biomassa. O biogás (maioritariamente composto por metano e dióxido de carbono) apresenta ser uma alternativa viável por d

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Mukhuba, Mashudu. "Ecological guild of microbes that drive production of biogas from multiple feedstock." Diss., 2017. http://hdl.handle.net/10500/24518.

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Anaerobic digestion (AD) is becoming a widely adopted technology for conversion of organic waste and nutrient-rich fertiliser production due to its cost-effectiveness and sustainability. In this study, a batch experiment was conducted using five different types of food waste and cow dung (CD). No significant difference was observed among the four substrates that produced the highest methane (P<0.05). Based on the batch experiment results, two substrates were selected for semi-continuous digestion and the highest methane yield (67%) was obtained from co-digestion (CO). PCR-DGGE results revealed

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Skenjana, Akho. "The potential nutritive value of waste products from the sub-tropical fruit processing industry as livestock feed." Diss., 2012. http://hdl.handle.net/2263/26653.

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The scarcity of feed resources often imposes a major challenge to the development of animal production in the tropics and subtropics. However, by-products have long been recognised in providing cheaper alternative feed ingredients relative to conventional feed ingredients, thus alleviating the challenge. The aim of the present study was to investigate the potential of three waste products from the subtropical fruit processing industry in animal feeding. The products include avocado meal (AM), macadamia oil cake (MOC) and macadamia chips (MCH). The samples were obtained from the processing plan

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