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Journal articles on the topic 'Biogas Sludge'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Odirile, Phillimon T., Potlako M. Marumoloa, Anthoula Manali, and Petros Gikas. "Anaerobic Digestion for Biogas Production from Municipal Sewage Sludge: A Comparative Study between Fine Mesh Sieved Primary Sludge and Sedimented Primary Sludge." Water 13, no. 24 (2021): 3532. http://dx.doi.org/10.3390/w13243532.

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Two different types of primary sewage sludge have been used as feedstock for production of biogas through anaerobic digestion (AD): the one type was sludge from a typical primary clarifier (PC), while the other type of sludge produced by a rotating belt filter, commonly called microsieve (MS). Initially the main physicochemical characteristics of the sludges, such as total solids (TS), volatile solids (VS), VS/TS, pH and carbon to nitrogen ratio (C/N) were determined, for MS: 37.86 ± 0.08%, 83.00 ± 0.41%, 0.83 ± 0.00, 6.67 ± 0.08 and 19.68 ± 0.69, respectively, and for PC: 2.61 ± 0.08%, 78.77

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2

Dokulilová, Tereza, Tomáš Vítěz, Jan Chovanec, Robert Rouš, Monika Vítězová, and Ivan Kushkevych. "Primary and Activated Sludge Biogas Production: Effect of Temperature." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 66, no. 1 (2018): 23–28. http://dx.doi.org/10.11118/actaun201866010023.

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Sewage sludge management is a problem of growing importance. Anaerobic sewage sludge stabilization is commonly used technology, where organic matter contained in primary and activated sewage sludge is converted into biogas, so both, pollution control and energy recovery can be achieved. The paper deals with the effect of process temperature (36 °C, 42 °C and 50 °C) on biogas production and quality during anaerobic stabilization of primary and activated sewage sludge generated during purifying process in low‑loaded activated sludge process. Primary and activated sewage sludge samples were taken

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Borelli, Davide, Francesco Devia, Corrado Schenone, Federico Silenzi, and Luca Tagliafico. "Combined Heat and Power generation exploiting the biogas production from urban wastewaters treatment: the Genoa case study." E3S Web of Conferences 312 (2021): 08002. http://dx.doi.org/10.1051/e3sconf/202131208002.

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Wastewaters treatment with biological processes is widely applied as a reliable solution to water pollution in urban areas. This process produces sludges and process waters. Sludges can be furtherly threated in dedicated plants to produce biogas, that can then be used to produce heat in specific plants, but it is sometimes simply burned using flares. A possible alternative use of biogas is the coupling with a CHP generator which can be used to produce electrical energy and heat. In the present paper, it is investigated the possible exploitation of the sludges produced by a wastewater treatment

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Anderson, B. C., D. S. Mavinic, and J. A. Oleszkiewicz. "Stabilization of combined wastewater sludge: anaerobic processes." Canadian Journal of Civil Engineering 22, no. 2 (1995): 223–34. http://dx.doi.org/10.1139/l95-032.

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Pilot-scale research was conducted to quantify the effects of stabilizing combined wastewater sludges (primary and biological nutrient removal waste activated sludges), in a common high-rate, single-stage anaerobic digestion operation. Various ratios of primary to waste activated sludge were used, and digester operational efficiency was assessed on the basis of the amount and rate of volatile mass removal, biogas production, and digester supernatant quality. It was found that, depending on the sludge ratio, addition of the biological nutrient removal waste activated sludge decreased digester o

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Pertiwiningrum, Ambar, Ratih Kusuma Wardani, Joko Wintoko, Rachmawan Budiarto, Margaretha Arnita Wuri, and Misri Gozan. "How return sludge increase biogas production from cow manure?" E3S Web of Conferences 181 (2020): 01006. http://dx.doi.org/10.1051/e3sconf/202018101006.

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The energy needs in Indonesia are mainly fulfilled by fossil fuels based energy. Since there is the rise of fuel price, Indonesia government considers seeking alternative energies from renewable resources. Biogas becomes one of the alternative energy that supplies energy needs and manages cow manure waste in Indonesia. To increase adoption of biogas technology, biogas production through methane enrichment is required. The experiment was conducted with return sludge system. These instruments consist of a series portable bio-digester, gas holder and return sludge unit. There were three treatment

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Widyastuti, Sri, and Sri Mulyani. "SLUDGE LUMPUR AKTIF, SAMPAH DAPUR DAN KOTORAN SAPI SEBAGAI BAHAN BAKU BIOGAS PORTABEL." WAKTU: Jurnal Teknik UNIPA 16, no. 2 (2018): 26–35. http://dx.doi.org/10.36456/waktu.v16i02.1665.

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Limbah padat non medis dan sludge lumpur aktif yang dihasilkan dari kegiatan pelayanan di Rumah Sakit belum banyak dimanfaatkan, sehingga perlu dilakukan upaya pemanfaatan limbah padat non medis menjadi biogas. Pemanfaatan dilakukan dengan mencampur sludge lumpur aktif Instalasi Pengolahan Air Limbah (IPAL), sampah dapur dan kotoran sapi sebagai bahan baku pembuatan biogas portabel. Reaktor biogas portabel berupa drum plastik berbahan High Density Polyethylene (HDPE) volume 150 liter. Pengkajian pengolahan limbah sludge ini dilakukan dengan tiga variasi. Proses pembuatan biogas reaktor portabe

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7

Prodanović, Jelena, Marina Šćiban, and Mirjana Antov. "Improvement of wastewater treatment by use of natural coagulants." Journal of Economic Development, Environment and People 2, no. 2 (2013): 22. http://dx.doi.org/10.26458/jedep.v2i2.20.

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An activated sludge and other organic sludges from wastewater treatment processes are usually anaerobically digested prior to application on land. The purpose of digestion is to convert bulky, odorous sludges to relatively inert material that can be rapidly dewatering. The important benefit of this process is a biogas production, too. It is proper to enlarge primary sludge production in a primary settler by adding some coagulation aids, with aim to increase a biogas production, as much as possible. The most common coagulant is alum, but presence of large quantities of aluminum salts in sludge

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8

Kurniasari, Heni Dwi. "Pemanfaatan Sludge Limbah Biodigester untuk Meningkatkan Kecepatan Produksi Biogas dan Konsentrasi Gas Metan dalam Biogas." Jurnal Offshore: Oil, Production Facilities and Renewable Energy 2, no. 2 (2018): 43. http://dx.doi.org/10.30588/jo.v2i2.404.

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<p><em>Sludge</em> hasil samping pengolahan kotoran sapi menjadi biogas masih mengandung bahan pencemar seperti E. coli, oleh karena itu apabila sludge dibuang langsung ke lingkungan akan menyebabkan pencemaran air, tanah, dan udara. Selama ini sludge hanya dimanfaatkan sebagai pupuk, padahal dalam sludge dimungkinkan masih mengandung mikroorganisme yang dapat mempercepat proses pembentukan biogas. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan <em>sludge</em> biodigester dalam pembentukan biogas dan mengetahui perbandingan optimal komposisi limbah

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Killa, Yonce Melyanus, and I. Made Ade Sudarma. "KADAR KLOROFIL DAUN RUMPUT ODOT (Pennisetum purpureum cv. Mott) PADA PERLAKUAN DOSIS PUPUK BOKASHI SLUDGE BIOGAS." Journal TABARO Agriculture Science 5, no. 2 (2022): 550. http://dx.doi.org/10.35914/tabaro.v5i2.1013.

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Penelitian dilakukan untuk mendapat informasi tentang kadar klorofil daun rumput odot (P. purpureum cv. mott) pada perlakuan beberapa dosis pupuk bokashi sludge biogas. Penelitian dilakukan dua tahap, pertama yaitu kegiatan budidaya rumput odot di Kelurahan Kawangu Kecamatan Pandawai Kabupaten Sumba Timur dan tahap kedua kegiatan pengukuran kadar klorofil dilakukan di Laboratorium Terpadu Universitas Kristen Wira Wacana Sumba. Penelitian menggunakan Rancangan Acak lengkap (RAL) dengan 5 perlakuan yaitu P0 : tanpa pupuk (kontrol); P1: pupuk bokashi sludge biogas 10 ton-1; P2: pupuk bokashi slud

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10

Fdz.-Polanco, M., I. Díaz, S. I. Pérez, A. C. Lopes, and F. Fdz.-Polanco. "Hydrogen sulphide removal in the anaerobic digestion of sludge by micro-aerobic processes: pilot plant experience." Water Science and Technology 60, no. 12 (2009): 3045–50. http://dx.doi.org/10.2166/wst.2009.738.

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H2S removal from biogas produced in anaerobic digestion of sludge through the introduction of oxygen under micro-aerobic conditions is studied. Research was carried out in two pilot plant reactors (working volume, 200 L each) treating sludge from WWTP with HRT of 20 days. Mixing was provided via sludge or biogas recirculation. Introduction of very low oxygen flow (0.013–0.024 L/Lreactor d) successfully removed H2S content in biogas with an efficiency above 99%. Reactor performance during micro-aerobic operation in terms of biogas production, methane yield and COD removal were not affected by t

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11

WOOD, NICHOLAS, HONGHI TRAN, and EMMA MASTER. "Improving anaerobic conversion of pulp mill secondary sludge to biogas by pretreatment." June 2010 9, no. 6 (2010): 16–21. http://dx.doi.org/10.32964/tj9.6.16.

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We examined the effectiveness of thermal, caustic, and sonication pretreatment methods in improving anaerobic conversion to biogas of secondary sludge samples obtained from a kraft mill and a sulfite mill. All three methods improved the anaerobic digestion rate and the biogas yield of the sludge samples. Thermal pretreatment was the most effective, followed closely by caustic pretreatment, and sonication the least. The total biogas productions per unit of chemical oxygen demand of sulfite sludge and kraft sludge samples were respectively 1.2 and 3 times higher with pretreatments than without.

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12

Feki, Emna, Sami Sayadi, Slim Loukil, Abdelhafidh Dhouib, and Sonia Khoufi. "Comparison between Thermo-Alkaline and Electro-Fenton Disintegration Effect on Waste Activated Sludge Anaerobic Digestion." BioMed Research International 2019 (November 11, 2019): 1–10. http://dx.doi.org/10.1155/2019/2496905.

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Disintegration of municipal waste activated sludge (WAS) using thermo-alkaline (TA) and electro-Fenton (EF) methods was investigated and compared in terms of the efficiency of sludge solubilisation and enhancement of anaerobic biodegradability. Performance of organic matter solubilisation (soluble COD, proteins, polysaccharides) of sludge pretreated with EF was proved to be better than that with TA pretreatment, which resulted in the enhancement of anaerobic biodegradability. Comparison of results indicated that percentages of PN and PS release obtained after EF pretreatment (68.95 and 65.22%)

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Kim, Sangmin, Seung-Gyun Woo, Joonyeob Lee, Dae-Hee Lee, and Seokhwan Hwang. "Evaluation of Feasibility of Using the Bacteriophage T4 Lysozyme to Improve the Hydrolysis and Biochemical Methane Potential of Secondary Sludge." Energies 12, no. 19 (2019): 3644. http://dx.doi.org/10.3390/en12193644.

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Anaerobic digestion (AD) of secondary sludge is a rate-limiting step due to the bacterial cell wall. In this study, experiments were performed to characterize secondary sludges from three wastewater treatment plants (WWTPs), and to investigate the feasibility of using bacteriophage lysozymes to speed up AD by accelerating the degradation of bacterial cell walls. Protein was the main organic material (67.7% of volatile solids in the sludge). The bacteriophage T4 lysozyme (T4L) was tested for hydrolysis and biochemical methane potential. Variations in the volatile suspended solid (VSS) concentra

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14

Zawieja, Iwona, Renata Włodarczyk, and Mariusz Kowalczyk. "Biogas Generation from Sonicated Excess Sludge." Water 11, no. 10 (2019): 2127. http://dx.doi.org/10.3390/w11102127.

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The article presents an analysis of the possibilities of biogas production in the process of methane fermentation of sonicated excess sludge. The greater the percentage of methane in biogas, the higher its calorific value. In order to increase the intensity of biogas production containing approximately 70% of methane, sewage sludge is disintegrated. In particular, excess sludge formed as a result of advanced wastewater treatment by the activated sludge method shows low biodegradability. The study aim was to examine the effect of the ultrasonic field disintegration of excess sludge on biogas pr

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15

Nganji, Marten Umbu, and I. Made Adi Sudarma. "ANALISIS STATUS KESUBURAN TANAH PADA LAHAN BUDIDAYA RUMPUT ODOT (Pennisetum purpureum CV. MOOT) DENGAN PERLAKUAN PUPUK BOKASHI SLUDGE BIOGAS BERBEDA." Jurnal Tanah dan Sumberdaya Lahan 10, no. 2 (2023): 223–29. http://dx.doi.org/10.21776/ub.jtsl.2023.010.2.5.

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The process of cultivating odot grass by some breeders is still conventional through simple land management and has not used appropriate fertilization technology, both inorganic and organic fertilizers. In this study, organic matter in the form of bokashi sludge biogas fertilizer was used as a basal fertilizer for use in the cultivation of odot grass. Soil samples collected from Kawangu Village, Pandawai District, East Sumba Regency, were analyzed at the Laboratory of Nusa Cendana University, Kupang. Soil sampling was carried out in a composite manner on plots of land to be planted with odot g

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16

Prask, Hubert, Małgorzata Fugol, Arkadiusz Dyjakon, Liliana Głąb, Józef Sowiński, and Alena Whitaker. "The Impact of Sewage Sludge-Sweet Sorghum Blends on the Biogas Production for Energy Purposes." Energies 16, no. 5 (2023): 2105. http://dx.doi.org/10.3390/en16052105.

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The paper presents research on the impact of adding various forms of sorghum to sewage sludge on the anaerobic digestion process. The use of liquid sewage sludge alone in biogas plants at wastewater treatment plants is inefficient due to the low total solid (dry matter) content of this substrate. The tests revealed that the production of methane in biogas is low and amounted to 17.9% (105.4 Nm3∙Mg−1, VS—volatile solid). Therefore, other substrates should be blended with sewage sludge to increase the total solid of the batch. Sorghum silage, sorghum pomace, and sorghum juice were added to the s

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Vincentius, Vincentius, Evita H. Legowo, and Irvan S. Kartawiria. "Potential of Palm Oil Empty Fruit Bunch as Biogas Substrate." ICONIET PROCEEDING 2, no. 1 (2019): 59–64. http://dx.doi.org/10.33555/iconiet.v2i1.11.

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Natural gas is a source of energy that comes from the earth which is depleting every day, an alternative source of energy is needed and one of the sources comes from biogas. There is an abundance of empty fruit bunch (EFB) that comes from palm oil plantation that can become a substrate for biogas production. A methodology of fermentation based on Verein Deutscher Ingenieure was used to utilize EFB as a substrate to produce biogas using biogas sludge and wastewater sludge as inoculum in wet fermentation process under mesophilic condition. Another optimization was done by adding a different wate

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Ntakiyiruta, Pierre, Darya Agueh Pia Agossi, Bi Gouessé Henri Briton, and Sié Alain Hien. "Biogas Potential of Wastewater Sludge from aPalm Oil Refinery Plant." International Journal of Advances in Scientific Research and Engineering 10, no. 10 (2024): 01–18. https://doi.org/10.31695/ijasre.2024.10.1.

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An agri-food company specializing in the processing of crude palm oil into refined oil generates physico-chemical and biological sludge from its SN Cie-coded wastewater treatment plant. This sludge is therefore a management issue. The aim of this study is to valorize the sludge from a wastewater treatment plant located in an industrial zone in Vridi/Abidjan (Côte d'Ivoire) into biogas. The physico-chemical characteristics of the sludge and its methanogenic potential were assessed, followed by optimization of biogas production. These results revealed that the biological sludge (73.08% MS) conta

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Osipovs, Sergejs, Aleksandrs Pučkins, Mihails Pupiņš, Jeļena Kirilova, and Juris Soms. "BIOGAS PRODUCTION POSSIBILITY FROM AQUACULTURE WASTE." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2021): 195–99. http://dx.doi.org/10.17770/etr2021vol1.6638.

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The research explores the possibilities of biogas extraction from aquaculture waste. Samples of fish-farming pool sludge were taken from a fish farm, which is located in the Krāslava district, Kalnieši rural municipality. Prior to experimental fermentation and extraction of biogas, samples were analyzed in order to determine their moisture and organic matter content (OMC). For purpose of increasing OMC available for fermentation, sludge was mixed with crushed reeds. Biogas was obtained from the samples at various ratios of sludge and reed residues. During the experiments, 3.81 liters of biogas

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Osipovs, Sergejs, Aleksandrs Pučkins, Mihails Pupiņš, Jeļena Kirilova, and Juris Soms. "INFLUENCE OF TEMPERATURE ON METHANE OUTPUT FROM BOG SLUDGE AND CRUSHED REED RAW MATERIALS." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2021): 191–94. http://dx.doi.org/10.17770/etr2021vol1.6637.

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The research summarizes information on biochemical processes of biogas production and the parameters that affect the results of its production. The research examines the result of obtaining biogas from bog sludge and a mixture of crushed reed. Particular attention is given to temperature, as a parameter that affects the results of methane and biogas production.The yield of biogas and methane during the bioprocess depends on the effect of temperature. During the experiment, 2.78 L of biogas with an average methane content of 38.7% was obtained from a mixture of bog sludge and crushed reeds. If

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Keating, C., D. Cysneiros, T. Mahony, and V. O'Flaherty. "The hydrolysis and biogas production of complex cellulosic substrates using three anaerobic biomass sources." Water Science and Technology 67, no. 2 (2013): 293–98. http://dx.doi.org/10.2166/wst.2012.543.

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In this study, the ability of various sludges to digest a diverse range of cellulose and cellulose-derived substrates was assessed at different temperatures to elucidate the factors affecting hydrolysis. For this purpose, the biogas production was monitored and the specific biogas activity (SBA) of the sludges was employed to compare the performance of three anaerobic sludges on the degradation of a variety of complex cellulose sources, across a range of temperatures. The sludge with the highest performance on complex substrates was derived from a full-scale bioreactor treating sewage at 37 °C

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Roebuck, Peter, Kevin Kennedy, and Robert Delatolla. "Ultrasonic pretreatment for anaerobic digestion of suspended and attached growth sludges." Water Quality Research Journal 54, no. 4 (2019): 265–77. http://dx.doi.org/10.2166/wqrj.2019.039.

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Abstract Anaerobic digestion (AD) is a proven technology for energy production from the stabilization and reduction of sewage waste. The AD and impact of ultrasonic pretreatment of four waste activated sludges (WASs) from conventional and three non-conventional municipal wastewater treatment plants were investigated. WAS from a conventional activated sludge (CAS) system, a rotating biological contactor (RBC), a lagoon, and a nitrifying moving-bed biofilm reactor (MBBR) were pretreated with ultrasonic energies of 800–6,550 kJ/kg total solids to illustrate the impact of sludge type and ultrasoni

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Udarceva, Lyubov', and Viktoriya Igumen'scheva. "THE USE OF BIOGAS TECHNOLOGIES IN THE DISPOSAL OFSEWAGESLUDGE." Bulletin of the Angarsk State Technical University 1, no. 18 (2024): 323–26. https://doi.org/10.36629/2686-777x-2024-1-18-323-326.

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Omar Mohammed Hassan and Hamid Salman khamis. "Biogas production from sewage sludge by anaerobic digestion." Tikrit Journal of Pure Science 20, no. 1 (2023): 27–32. http://dx.doi.org/10.25130/tjps.v20i1.1131.

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Some plant residues with digested sewage sludge was used for biogas production at 35o C, and a retention time of 30 days; has been shown that possibility of producing biogas from primary sludge, with daily production rate about 77.41 - 95.52 cm3 biogas . day-1, and the average yield production between 89.22 - 113.88 cm3 biogas per g volatile solids added. And that the results of the gas chromatography analysis, show the presence of a acceptance percentage of methane within the contents of biogas between 52.6 - 59.2%. with surpass of wheat straw media over other plant residues media in biogas p

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do Amaral, Karina Cubas, Miguel Mansur Aisse, Gustavo Rafael Collere Possetti, and Marcelo Real Prado. "Use of life cycle assessment to evaluate environmental impacts associated with the management of sludge and biogas." Water Science and Technology 77, no. 9 (2018): 2292–300. http://dx.doi.org/10.2166/wst.2018.146.

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Abstract Upflow anaerobic sludge blanket (UASB) reactors used in sewage treatment generate two by-products that can be reused: sludge and biogas. At the present time in Brazil, most of this resulting sludge is disposed of in sanitary landfills, while biogas is commonly burned off in low-efficiency flares. The aim of the present study was to use life cycle assessment to evaluate the environmental impacts from four different treatment and final destination scenarios for the main by-products of wastewater treatment plants. The baseline scenario, in which the sludge was sanitized using prolonged a

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Siswanti, Dwi Umi, Utaminingsih Utaminingsih, Melinda Fajar Lestari, and Hamdian Hamdian. "Application of Bio Fertilizer and Biogas Sludge to Curly Red Chili (Capsicum annuum L.) at Wukirsari Village, Cangkringan, Sleman." Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) 5, no. 3 (2019): 371. http://dx.doi.org/10.22146/jpkm.46266.

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Curly red chili (Capsicum sp.) is an important agricultural commodity in Indonesia. The pattern of conventional cultivation using inorganic fertilizers has caused high production costs. While the level of spiciness of chili determined by capsaicin levels is strongly influenced by nutrients in the growing media. Bio fertilizer and sludge biogas biogas which is one of the organic fertilizers proved to be able to increase the growth and productivity of rice plants. This study aimed to analyze growth parameters, chlorophyll content and measure capsaicin levels in curly red chili. Which given bio f

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Bayrak Işık, Esin Hande. "Investigation and Modeling of Biogas Production Potential from Urban and Fruit Juice Wastewater Treatment Plant Sludge through Pretreatment." Turkish Journal of Agriculture - Food Science and Technology 12, no. 2 (2024): 243–51. http://dx.doi.org/10.24925/turjaf.v12i2.243-251.6525.

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In this study, the effect of pretreatments applied to the sewage sludge of the Tokat Municipality wastewater treatment plant (WTP), the sewage sludge of the packaged wastewater treatment plant (PWTP) of a fruit juice production plant, and the aqueous phases of their mixtures on biogas production was investigated. Chemical, thermal (microwave (MW) and hot plate (HP)) and chemical-thermal pretreatments were applied to these sludge samples. Considering the results in all samples, the highest biogas production amount and efficiency were found in the pre-biogas-unit aqueous phase of the sewage slud

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Stefanescu, Mihai, Laurentiu Razvan Dinu, and Costel Bumbac. "Ultrasonic Alkaline Pretreatment of Biological Activated Sludge from Wastewater Treatment Plants." Revista de Chimie 70, no. 1 (2019): 301–3. http://dx.doi.org/10.37358/rc.19.1.6904.

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Ultrasonic treatment has become a modern method for removal of micropollutants and refractory compounds from water/wastewater and to improve biodegradation efficiency of biological activated sludge from wastewater treatment plants, in order to produce biogas. This paper is referring to the ultrasonic pretreatment of biological activated sludge, before anaerobic fermentation phase, to increase the amount of biogas generation. The pretreatment of biological sludge is based on two steps: alkaline digestion and ultrasonication. Ten minutes of alkaline condition (pH 9.5 - 10.5) followed by 10 minut

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Rosa, A. P., J. A. Conesa, A. Fullana, G. C. B. Melo, J. M. Borges, and C. A. L. Chernicharo. "Energy potential and alternative usages of biogas and sludge from UASB reactors: case study of the Laboreaux wastewater treatment plant." Water Science and Technology 73, no. 7 (2015): 1680–90. http://dx.doi.org/10.2166/wst.2015.643.

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This work assessed the energy potential and alternative usages of biogas and sludge generated in upflow anaerobic sludge blanket reactors at the Laboreaux sewage treatment plant (STP), Brazil. Two scenarios were considered: (i) priority use of biogas for the thermal drying of dehydrated sludge and the use of the excess biogas for electricity generation in an ICE (internal combustion engine); and (ii) priority use of biogas for electricity generation and the use of the heat of the engine exhaust gases for the thermal drying of the sludge. Scenario 1 showed that the electricity generated is able

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Zhang, Yan, Peng Han, He Liu, Lihui Zhang, Hongbo Liu, and Bo Fu. "Effect of steam explosion on physicochemical properties of waste activated sludge and the performance of anaerobic digestion." Water Science and Technology 77, no. 11 (2018): 2687–98. http://dx.doi.org/10.2166/wst.2018.227.

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Abstract The effect of steam explosion on physicochemical properties of sludge and the performance of anaerobic digestion (AD) was investigated. The steam explosion was conducted under different combinations of temperature and time, ranging 151–198 °C and 4–12 min respectively. The capillary suction time (CST) and viscosity of the sludge was increased with particle size decreased by improved hydrolysis temperature and prolonged hydrolysis time. The best sludge solubilization achieved was 41.3% under pretreatment condition of 198 °C and 4 min. Biogas production was enhanced with the improved sl

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Dwityaningsih, Rosita. "Aplikasi Pupuk Organik Padat dari Sludge Biogas dengan Penambahan Eceng Gondok dan Serbuk Gergaji Terhadap Pertumbuhan Tanaman Cabai." Buletin Loupe 19, no. 01 (2023): 112–17. http://dx.doi.org/10.51967/buletinloupe.v19i01.2471.

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Sludge biogas merupakan limbah padat organik yang mengakibatkan pencemaran. Padahal sludge biogas masih mempunyai senyawa organik yang cukup tinggi sehingga dapat digunakan lagi sebagai bahan pembuatan pupuk. Pada penelitian ini bertujuan untuk mengetahui apakah pupuk organik padat kombinasi yang dibuat dari campuran sludge biogas, eceng gondok dan serbuk gergaji dapat digunakan sebagai pupuk pada tanaman cabai. Aplikasi Pupuk Organik Padat (POP) kombinasi tersebut dilakukan dengan mengamati tinggi batang dan jumlah daun dari tanaman cabai yang ditanam pada 4 variasi yaitu tanpa pupuk, POP slu

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Nikiema, Mahamadi, Narcis Barsan, Ynoussa Maiga, et al. "Optimization of Biogas Production from Sewage Sludge: Impact of Combination with Bovine Dung and Leachate from Municipal Organic Waste." Sustainability 14, no. 8 (2022): 4380. http://dx.doi.org/10.3390/su14084380.

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Biogas is a bioenergy produced from organic or all types of biological degradable wastes and could make it possible to limit energy dependence. Sludge is the best alternative substrate for biogas production at a community-level biogas plant. The literature shows that co-digestion can increase the efficiency of sludge anaerobic digestion. This research, thus, focused on (i) determining the conditions of optimal biogas production in the co-digestion of primary sludge (PS) and bovine dung (BD), (ii) evaluating the impact of leachate from organic waste and cellulose on biogas production. Primary s

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Ofverstrom, Svetlana, Regimantas Dauknys, and Ieva Sapkaitė. "THE EFFECT OF IRON SALT ON ANAEROBIC DIGESTION AND PHOSPHATE RELEASE TO SLUDGE LIQUOR / GELEŽIES DRUSKOS ĮTAKA ANAEROBINIO DUMBLO PŪDYMO PROCESUI IR FOSFATŲ IŠSISKYRIMUI Į DUMBLO VANDENĮ." Mokslas - Lietuvos ateitis 3, no. 5 (2011): 123–26. http://dx.doi.org/10.3846/mla.2011.097.

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Iron salts are used at wastewater treatment plants (WWTPs) for several reasons: for removing chemical phosphorus, preventing from struvite formation and reducing the content of hydrogen sulfide (H2S) in biogas. Anaerobic digestion is a common scheme for sludge treatment due to producing biogas that could be used as biofuel. Laboratory analysis has been carried out using anaerobic digestion model W8 (Armfield Ltd, UK) to investigate any possible effect of adding FeCl3 on the anaerobic digestion of primary sludge (PS) and waste activated sludge (WAS) mixture as well as on releasing phosphates to

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Yanti, Delvi, Santosa Santosa, Eri Gas Ekaputra, Mislaini Mislaini, Omil Charmyn Chatib, and Fadli Irsyad. "PEMANFAATAN SLUDGE HASIL IKUTAN BIOGASDARI KOTORAN SAPI UNTUK PEMBUATAN KOMPOS." Jurnal Hilirisasi IPTEKS 2, no. 2 (2019): 106–12. http://dx.doi.org/10.25077/jhi.v2i2.338.

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Kegiatan ini bertujuan untuk mentransfer pengetahuan dan teknologi pemanfaatan sludge hasil ikutan biogas dari kotoran sapi untuk pembuatan kompos, sehingga petani dapat menyediakan pupuk secara mandiri. Metode yang digunakan dalam mentransfer pengetahuan dan teknologi pemanfaatan sludge hasil ikutan biogas dari kotoran sapi untuk pembuatan kompos adalah penyuluhan dan percontohan atau demonstrasi. Penyuluhan disampaikan menggunakan metode atau sistem Focus Group Discussion (FGD). Percontohan atau demostrasi dilakukan di lokasi kegiatan yang meliputi bagaimana cara atau proses pembuatan kompos

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Wongfaed, Nantharat, Prawit Kongjan, Wantanasak Suksong, Poonsuk Prasertsan, and Sompong O-Thong. "Strategies for recovery of imbalanced full-scale biogas reactor feeding with palm oil mill effluent." PeerJ 9 (January 7, 2021): e10592. http://dx.doi.org/10.7717/peerj.10592.

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Background Full-scale biogas production from palm oil mill effluent (POME) was inhibited by low pH and highly volatile fatty acid (VFA) accumulation. Three strategies were investigated for recovering the anaerobic digestion (AD) imbalance on biogas production, namely the dilution method (tap water vs. biogas effluent), pH adjustment method (NaOH, NaHCO3, Ca(OH)2, oil palm ash), and bioaugmentation (active methane-producing sludge) method. The highly economical and feasible method was selected and validated in a full-scale application. Results The inhibited sludge from a full-scale biogas react

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Michalski, Krzysztof, Magdalena Kóska-Wolny, Krzysztof Chmielowski, et al. "Heavy Metal Control and Dry Matter Assessment in Digested Sewage Sludge for Biogas Production." Energies 18, no. 10 (2025): 2644. https://doi.org/10.3390/en18102644.

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The expansion of sewage networks and treatment facilities results in considerable amounts of municipal sludge, which is essential for biogas production as part of energy diversification efforts. Principal Component Analysis (PCA) demonstrated a strong correlation between biogas production and its utilization in power generation units. Modernization efforts led to an increase in biogas utilization in power units but a decrease in boiler utilization, independent of the overall biogas production levels. The general linear model (GLM) further confirmed that biogas production was positively influen

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Wei, Na. "Effect of Ultrasonic Pretreatment for the Anaerobic Digestion of Sewage Sludge." Advanced Materials Research 531 (June 2012): 528–31. http://dx.doi.org/10.4028/www.scientific.net/amr.531.528.

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Anaerobic digestion is an economic and environmentally friendly technology for treating the biomass material-sewage sludge, but has some limitations, such as the low efficient biogass production. In this paper ultrasound was proposed as pre-treatment for effective sludge anaerobic digestion. Sludge anaerobic digestion experiments with ultrasonic pretreatment was investigated. It can be seen that this treatment effectively leaded to the increase of soluble chemical oxygen demand(SCOD) and volatile fatty acids(VFA)concentration. High concentration of VFA leaded to a increase in biogas production

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Ouedraogo, Noaga Inès Gwladys, Yacouba Konaté, Boukary Sawadogo, Elfried Beré, Soumaila Sodré, and Harouna Karambiri. "Characterization and Methanogenic Potential Evaluation of Faecal Sludge: Case of the Kossodo Biogas Plant in Ouagadougou." Sustainability 15, no. 23 (2023): 16401. http://dx.doi.org/10.3390/su152316401.

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The use of faecal sludge (FS) in anaerobic digestion (AD) requires a perfect knowledge of their composition. Considered as a very heterogeneous material, the high variability of FS can disturb biodigesters’ functionality and impact biogas production. Unique in West Africa, Kossodo’s biogas plant in Ouagadougou receives sludge from septic tanks and pit latrines. To evaluate the quality of sludge discharged in this treatment plant and its ability for AD, a characterization of 130 FS trucks from several onsite sanitation facilities was carried out. Physico-chemicals, including heavy metals and mi

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Ramli, Suzana, Aminuddin Mohd Baki, Muhamad Azmi Ayub, et al. "Renewable energy from biogas generated by sewage sludge – relationship between sludge volume and power generated." Scientific Research Journal 5, no. 2 (2008): 1. http://dx.doi.org/10.24191/srj.v5i2.5641.

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Biogas is a product of decomposition of organic matter during the process of anaerobic digestion (AD). The main components are methane and carbon dioxide. The methane content in the biogas enables it to be used as fuel which can be converted to heat and electricity. The biogas generated by the anaerobic digesters has the potential to be redirected from the flaring facilities to renewable energy (RE) facilities. The biogas may then be used to generate electricity, which in turn can operate the sewage treatment plant (STP) itself. However, feedbacks from the sewerage industry indicated that heav

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Nurmalinda Siregar, Aira Hafnizar, Mula Narju, and Ikhlas Hamzani. "Aplikasi Sludge Biogas dari Limbah Organik sebagai Pendukung Rehabilitasi Tanah Berpasir: Studi pada C Organik, N total, Rasio C/N dan Total Mikroba." Berkala Ilmiah Pertanian 8, no. 2 (2025): 93–100. https://doi.org/10.19184/bip.v8i2.53700.

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Tanah berpasir memiliki keterbatasan dalam menyimpan unsur hara dan bahan organik, sehingga kurang mendukung prtumbuhan tanaman. Sludge biogas merupakan produk sampingan dari fermentasi anaerob yang kaya akan unsur hara dan berpotensi meningkatkan kesuburan tanah berpasir. Penelitian ini bertujuan untuk mengevaluasi pengaruh aplikasi sludge biogas dari berbagai bahan organik terhadap kandungan C-organik, N-total, rasio C/N, dan total mikroba tanah. Penelitian menggunakan rancangan acak kelompok (RAK) faktorial dengan dua faktor, yaitu jenis bahan sludge (sayuran, buah-buahan, tandan kosong kel

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Arthur, Philomina Mamley Adantey, Yacouba Konaté, Boukary Sawadogo, et al. "Evaluating the Potential of Renewable Energy Sources in a Full-Scale Upflow Anaerobic Sludge Blanket Reactor Treating Municipal Wastewater in Ghana." Sustainability 15, no. 4 (2023): 3743. http://dx.doi.org/10.3390/su15043743.

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Wastewater management remains a major challenge in developing countries due to the lack of adequate infrastructure, making the need for economically viable and efficient technologies that can be sustained by emerging economies imperative. The upflow anaerobic sludge blanket (UASB) reactor represents an efficient and low-cost technology that produces by-products from which valuable resources can be recovered. This study assessed the energy recovery potential in the form of electricity from biogas and sludge by-products produced by a full-scale UASB reactor. Biogas production rate and compositio

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Zawieja, Iwona, and Małgorzata Worwąg. "Biogas Production from Excess Sludge Oxidized with Peracetic Acid (PAA)." Energies 14, no. 12 (2021): 3434. http://dx.doi.org/10.3390/en14123434.

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Human functioning related to living and economic activity involves generating an increasing amount of sewage and sludge, which needs to be subjected to advanced processes of treatment, neutralization, and management. The deterioration in the susceptibility of excess sludge to biochemical decomposition observed under anaerobic conditions leads to the development and application of highly effective methods of wastewater treatment based on the removal of biogenic compounds using activated sludge, with a high degree of sludge thickening obtained in mechanical facilities. The concentration of volat

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Tran, T., L. T. A. Hong, and L. V. Tan. "Application of the anaerobic co-digestion method to sewage sludge treatment toward recover green energy and utilize nutrients for agriculture." IOP Conference Series: Earth and Environmental Science 926, no. 1 (2021): 012097. http://dx.doi.org/10.1088/1755-1315/926/1/012097.

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Abstract Sewage sludge after urban wastewater treatment needs to be treated intelligently to get maximum benefits. This study proposes a method of anaerobic co-degradation of agricultural sludge and residues to both solve environmental problems and recover a large amount of biogas and organic fertilizers. The results show the potential for energy recovery from biogas and impact assessment of the application directly on the rice fields. It is estimated that biogas recovery from sludge treatment from wastewater treatment plants gives a calorific value of about 76 × 106 MJ/year. Results from the

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Górka, Justyna, Małgorzata Cimochowicz-Rybicka, and Dominika Poproch. "Sludge Management at the Kraków-Płaszów WWTP—Case Study." Sustainability 14, no. 13 (2022): 7982. http://dx.doi.org/10.3390/su14137982.

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Municipal wastewater treatment plants are good examples of facilities where the concept of a circular economy model can be effectively implemented by the recovery of energy as well as secondary and natural materials. That is why anaerobic co-digestion has become one of the most appealing renewable energy pathways and takes a key position within sludge-handling processes. This research looked into the feasibility of the utilization of water sludge from a water treatment plant in anaerobic co-digestion with sewage sludge. The experiments confirmed that anaerobic digestion of sewage sludge togeth

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Lopes, Lucas Sampaio, Andre Pereira Rosa, Júlia Silva Marco, Gustavo Rafael Collere Possetti, and Tayane Cristiele Rodrigues Mesquita. "Energy potential of biogas and sludge from UASB reactors in the State of Paraná, Brazil." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 15, no. 1 (2020): 1. http://dx.doi.org/10.4136/ambi-agua.2398.

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Upflow Anaerobic Sludge Blanket (UASB) reactors are widely used for domestic sewage treatment in Brazil, and generate sludge and biogas as by-products. Typically, the sludge is sent to sanitary landfills, and the biogas is burned in flares. This study assessed the energy potential of these by-products in sewage treatment plants (STPs) located in the state of Paraná, Brazil. First, an overview of biogas energy recovery potential in a full-scale STP based on UASB reactors was carried out. Afterwards, a total of 239 STPs in the state of Paraná were assessed, and the energy potential of the by-pro

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Paździor, Katarzyna, Marlena Domińska, and Magdalena Olak-Kucharczyk. "Ozone as a Catalyst of Surplus Activated Sludge Hydrolysis for the Biogas Production Enhancement." Catalysts 12, no. 9 (2022): 1060. http://dx.doi.org/10.3390/catal12091060.

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The biogas produced in the methane fermentation is valuable due to its use as a renewable energy source. A promising method of biogas production intensification is sludge flocs disintegration via ozonation. The aim of this study was to check the impact of the ozonation on the efficiency and kinetics of biogas production from surplus activated sludge (SAS). Processes were carried out batchwise at 37 °C. The following analyses were performed: pH, alkalinity, dry matter, dry organic matter, chemical oxygen demand, total organic carbon, total nitrogen, elemental analysis (CHNS), the biochemical po

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Hadiyarto, Agus, Danny Soetrisnanto, Faishal Miftahul Huda, and Nimas Amelia Iswara. "The Effect of C/N Ratio and Type of Microbes Sludge to Biogas Production: Combination of Tapioca Industrial Wastewater and Tofu Industrial Wastewater." MATEC Web of Conferences 156 (2018): 03036. http://dx.doi.org/10.1051/matecconf/201815603036.

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Biogas will be produced from a single organic substrate and controlled the ratio of carbon nitrogen by added inorganic nitrogen substances. The study has been tried to combine substrates from industrial tapioca industrial wastewater with tofu industrial wastewater. The experiments were carried out in batch anaerobic digesters with a C/N ratio range of 20 - 30 and variation of microbial sludge from cow rumen, anaerobic sludge of tofu wastewater treatment plant (WWTP) and anaerobic sludge of tapioca WWTP. The ratio of C/N in the range of 20-30 didn’t significant effect on the volume of biogas pr

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Hadiyarto, Agus, Dyah Ayu Pratiwi, and Aldila Ayu Prida Septiyani. "Anaerobic Co-Digestion of Human Excreta and Corn Stalk for Biogas Production." Reaktor 19, no. 4 (2019): 137–44. http://dx.doi.org/10.14710/reaktor.19.4.137-144.

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The anaerobic decomposition process of human feces substrate with a C/N ratio of 14.6 has failed to produce biogas optimally. In order to produce biogas maximally, the C/N ratio in the substrate should be in the range of 20-30. In this study, a combination of human feces substrate (C / N = 14.6) with corn stalk waste (C / N = 66.5) was carried out. Corn stalks were soaked first in a NaOH solution to separate lignin before being mixed with human feces. In this study the effect of the C/N ratio from the combination of feces and corn stalks as well as the effect of the type of activated sludge on

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Feki, Emna, Audrey Battimelli, Sami Sayadi, Abdelhafidh Dhouib, and Sonia Khoufi. "High-Rate Anaerobic Digestion of Waste Activated Sludge by Integration of Electro-Fenton Process." Molecules 25, no. 3 (2020): 626. http://dx.doi.org/10.3390/molecules25030626.

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Anaerobic digestion (AD), being the most effective treatment method of waste activated sludge (WAS), allows for safe disposal. The present study deals with the electro-Fenton (EF) pretreatment for enhancing the WAS biogas potential with low-cost iron electrodes. The effect of pretreatment on the physicochemical characteristics of sludge was assessed. Following EF pretreatment, the pH, conductivity, soluble chemical oxygen demand (SCOD), and volatile fatty acids (VFA) increased to 7.5, 13.72 mS/cm, 4.1 g/L, and 925 mg/L, respectively. Capillary suction time (CST) analysis highlighted the dewate

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Lima, Derick, Gregory Appleby, and Li Li. "A Scoping Review of Options for Increasing Biogas Production from Sewage Sludge: Challenges and Opportunities for Enhancing Energy Self-Sufficiency in Wastewater Treatment Plants." Energies 16, no. 5 (2023): 2369. http://dx.doi.org/10.3390/en16052369.

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Treating municipal wastewater is a complex and costly process. With rising energy costs and sustainability targets, wastewater treatment plants (WWTPs) are looking for alternatives to reduce operating costs and carbon dependence. Anaerobic digestion is the most common and established technology used in WWTPs to treat sludge since it can potentially improve energy recovery and reduce sewage treatment costs, mainly due to the generation of biogas. Biogas is a renewable energy resource and can be used in several applications, including heating and producing electricity. By exploring the biogas po

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