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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 70 for “"biogas production"”.
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Biogas production from novel substrates
Biogas production is the conversion of the organic material into methane (CH4) and carbon dioxide (CO2) under anaerobic conditions. Anaerobic digestion (AD) is widely used in continental and Scandinavian communities as both a waste treatment option and a source of renewable energy. Ireland however …
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Experimental investigation of biogas production from feedlot cattle manure
… is rapidly increasing in South Africa. Biogas can be generated from biomass in an anaerobic digestion process and used to generate electricity and heat as an alternative energy source to fossil fuel generated electricity. This study is focused on the biogas generation from cattle manure. …
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Optimisation of biogas production from percolating packed bed anaerobic digesters
… 40 day period was found to produce little extra biogas. The performance compared favourably with other high solids waste digesters with gas yields of 0.305 m 3 /kg VS added and solids losses of 47% volatile solids and 64% cellulose being obtained over a 40 day period. No major problems of …
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Towards development of biogas production for New Zealand on-farm greenhouse gas reduction
… digestion (AD), by capturing methane as biogas and producing biofertiliser, offers a promising solution to reduce greenhouse gas (GHG) emissions and displace harmful chemical fertilisers. While AD technology is well-established in Europe, its application in New Zealand remains limited, …
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SUSTAINABLE DEVELOPMENT OF REGIONAL BIOGAS PRODUCTION: Gis-based Techno Economic Assessment In Southern Italy
… ultimi 20 anni il settore della produzione di biogas mediante digestione anaerobica ha avuto un forte incremento. Nella maggior parte delle regioni italiane, specialmente nell'Italia settentrionale, il biogas è prodotto da colture energetiche dedicate che implicano la nascita di problemi …
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Biochar Application in Anaerobic Digestion of Food Waste for Inhibition Mitigation and Biogas Production Improvement
The production of large quantities of food waste due to population growth is a serious global issue. Improper management of food waste and the deficiency of appropriate administration approaches have adversely affected the environment and society. Traditional methods of disposal (i.e., landfill) …
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ENHANCING BIOGAS PRODUCTION IN COLD-REGION WASTEWATER TREATMENT USING ULTRASONIC PRETREATMENT AND CO-DIGESTION WITH BREWER’S SPENT GRAIN
… (MWTPs) by converting its organic matter into biogas. However, AD processes have limitations, such as slow hydrolysis rates, low biogas yields, and sensitivity to environmental factors such as temperature and pH. Cold-region MWTPs are particularly challenging locations including the currently …
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Evaluation and optimisation of biogas production in municipal wastewater treatment plant using computational intelligence approach : potential to generate electricity
Submitted in fulfillment of the requirements for the degree of Master of Engineering: Civil Engineering Durban University of Technology, 2022.
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Microbial community analysis of a UASB reactor and application of an evolutionary algorithm to enhance wastewater treatment and biogas production
Submitted in complete fulfillment for the degree of Doctor of Philosophy (Biotechnology), Durban University of Technology, Durban, South Africa, 2015.
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Renewable energy in Sicily: sizing of a plant for Biogas production and energetic assessment of Biodiesel production from oilseed crops
… energy sector: i) sizing of plants for the production of biogas through anaerobic digestion of agricultural waste and by-products of agro-industries; ii) evaluation of the mechanization and energetic aspects of the cultural practices and the harvesting of oil crops; iii) assessment of the …
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Using Anaerobic Co-Digestion With Addition of Municipal Organic Wastes and Pre-Treatment to Enhance Biogas Production From Wastewater Treatment Plant Sludge
… were conducted to assess the enhancement of biogas production from anaerobic co-digestion using wastewater treatment plant sludge as the primary substrate. In the first phase, the feasibility of using municipal organic wastes (synthetic kitchen waste (KW) and fat, oil and grease (FOG)) as …
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IMPROVING THE CIRCULARITY OF BIODEGRADABLE BIOPLASTICS BY PRODUCING BIOGAS: A FULL-SCALE ASSESSMENT
… and increases process efficiency and biogas production. However, PLA shows poor biodegradability under anaerobic digestion (AD) conditions, requiring long retention times (HRTs) compared to industrial OFMSW plants’ HRTs. This limits their integration into biogas plants and their …
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Anaerobic digestion of algal biomass for bioenergy production- a feasibility study
… be easily implemented in developing countries. Biogas production has become a very topical subject, with many European nations introducing initiatives to increase biogas production. AD of algal biomass was studied in detail during the 1980’s, however, with the current drive toward cleaner …
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Design and Optimization of Process Parameters in Bio-Gas Production Systems
… of greenhouses gases (CO2 among others). Biogas production is a key technology in the development of sustainable energy supply systems that aims to cover the energy demand using renewable sources and to mitigate greenhouse gas emissions. Biogas production can be achieved through anaerobic …
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Role of Bioadditions in Sustainable Energy Production
… on the lignocellulosic component of lignin, biogas production and microbial communities. While previous studies have explored bioadditives in lignocellulosic biomass degradation, the detailed mechanisms of these bioadditives, particularly yeast, in enhancing anaerobic digestion remain poorly …
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Effect of Long Chain Fatty Acids on Anaerobic Digestion of Municiapal Sewage Sludge in Completely Mixed Reactors
… for FOG disposal due to its high potential for biogas production. However, excessive addition of long chain fatty acid, the major content of FOG, has been reported to have inhibitory effects on the anaerobic digestion process and to cause operational challenges. In this study, high purity long …
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Development of a mathematical model for predicting bio-slurry temperature and subsequent gas production rate for underground brick-built biogas digester using ambient air temperature forecast
… to implement anaerobic digestion technology for biogas production as a strategy to enhance energy supply and poverty eradication in rural communities. Underground, brick, and mortar built fixed dome type digesters are the most deployed small-scale biogas technology in sub-Saharan Africa (SSA) …
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Biomethane production from grass silage: laboratory assessment to maximise yields
On-farm biogas production is typically associated with forage maize as the biomass source. Digesters are designed and operated with the focus of optimising the conditions for this feedstock. Thus, such systems may not be ideally suited to the digestion of grass. Ireland has ca. 3.85 million ha of …
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Evaluation of Solubilization with Thermal Hydrolysis Process of Municipal Biosolids
… reaction times between 10 and 60 min. Anaerobic biogas production by thermally pre-treated sludge was carried out through a mesophilic anaerobic digester. The results showed that solids solubilization increased with increases in temperature and time, while temperatures above 160℃ for 30 min …
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