Biodigesters and Biogas
"Anaerobic digestion, or biodigestion, involves the microbial degradation of organic materials in an oxygen-free environment. Feedstocks for anaerobic digestion include livestock manures, crop residues, culled fruit and vegetables, food waste, and other organic by-products. The process produces renewable energy in the form of biogas (which is mostly methane) and a nutrient-rich digestate that can be used as a biofertilizer instead of commercial fertilizers."
-- Dr. Ann Wilkie, Professor of Bioenergy and Sustainable Technology in the Soil and Water Science Department at the University of Florida
Please note that the links listed below may lead to additional resources which have not yet been added to this collection.
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Key Resource2001-01-01 When organic material decomposes under anaerobic conditions, it produces biogas which is a mixture of methane (CH4) and carbon dioxide (CO2) with small quantities of hydrogen, nitrogen, carbon monoxide and other compounds. Biogas can be used as a fuel source for cooking, heating, producing light...
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This article is from ECHO Asia Note #19 It iscompletely possible to run a diesel engine on biogas; however, a number of considerations must be taken into account before it may be considered a serious option in a development program. This article will explore some key considerations when...
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1996-07-19 Comments regarding biogas in Indonesia.
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A biogas research project which ECHO East Africa is implementing in collaboration with CREATIVenergie UK has taken another step of innovation whereby owners of biogas digesters can now package surplus gas and sell to non-owners of the biogas digester. This step aims to enable people who do not...
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In recent times biogas technology is increasingly important around the world due to the requirements for renewable energy production, the need for recycling and reuse of materials and reduction in greenhouse gas emissions. Biogas addresses all the above concerns, using renewable inputs such as...
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2018-01-20 This collection aims to provide a reference for policy makers and practitioners working in areas related to bioenergy in rural areas of sub-Saharan Africa. This encompasses those in the energy, agriculture, forestry, environment, finance and business sectors, among others, who are searching for...
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Biogas is a clean-burning fuel. It does not give off smoke as does charcoal or firewood. By using biogas for cooking you can keep your cooking area and your food cleaner. This publication tell how to make and use biogas.
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Anaerobic digestion, or biodigestion, involves the microbial degradation of organic materials in an oxygen-free environment. Feedstocks for anaerobic digestion include livestock manures, crop residues, culled fruit and vegetables, food waste, and other organic by-products. The process produces...
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2016-11-17 Anaerobic digestion, or biodigestion, involves the microbial degradation of organic materials in an oxygen-free environment. Feedstocks for anaerobic digestion include livestock manures, crop residues, culled fruit and vegetables, food waste, and other organic by-products. The process produces...
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This study investigated the main factors influencing digester temperature and methods to reduce heat losses during the cold season in the subtropics. Four composite digesters (two insulated and two uninsulated) were buried underground to measure their internal temperature (C) at a depth of 140 cm...
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This review was initiated by Dr. Morton Satin in FAO Rome, Chief of the Food and Agricultural Industries Services in the Agricultural Service Division, as a result of many requests for information on BIOGAS TECHNOLOGY suitable for Developing Countries. The generous help and collaboration of the...
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Biogas is a clean cooking and lighting fuel that can be produced at varying scales; from small household systems to large-scale commercial plants producing several thousand cubic metres a day. Biogas can be used for electricity generation, heating, cooking, process steam and powering farm...
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2016-04-12 When the organic matter decomposes in the absence of oxygen , it produces gas called biogas . This gas is a mixture of methane (CH4) and carbon dioxide (CO2) with small amounts of nitrogen , hydrogen, carbon monoxide and other compounds. Biogas has multiple uses . To produce and capture the...
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2013-01-20
- Abstract, Biofuel Research Journal, 2016 One of the greatest challenges facing the societies now and in the future is the reduction of green house gas emissions and thus preventing the climate change. It is therefore important to replace fossil fuels with renewable sources, such as biogas. Biogas...
- Abstract,Journal of Engineering Science and Technology, 2015 An experimental study worked on a model biogas production unit which has 0.5 m3 fermentation tank capacities of a breeding farm in the Urla district of Izmir/Turkey. The farm animal quantity is 70 cattle and 1400 chicken. Animal wastes...
- Abstract,Environmental Technology, 2013 Access to clean and affordable energy is vital for advancing development objectives, particularly in rural areas of developing countries. There are some three billion people in these regions, however, who lack consistent access to energy and rely on...
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Decentralised wastewater treatment systems – DEWATS In contrast to Europe and North America where 95% of urban areas have conventional and centralised wastewater treatment systems, there are many countries where wastewater treatment systems are inadequate or do not even exist. Building a...
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BORDA Las Américas works in four countries: Mexico, Cuba, Nicaragua, Haiti with its regional office located in Mexico City. As in many regions of the world, sanitation services such as wastewater treatment in Latin America and the Caribbean present great deficiencies.This deficit means that only...
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BORDA Africa is specialised in integrated decentralised sanitation solutions in the fields of wastewater, sludge and solid waste management. BORDA (Bremen Overseas Research and Development Association), founded in 1977, is a civil society expert organisation focused on the provision of essential...
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Sustainable resource management in Indonesia, Cambodia, Laos, Myanmar, Vietnam and the Philippines Despite the continued economic growth of about 500 million people, Southeast Asia still has 16-33% of the population living in extreme poverty (annual per capita income less than 1,000 Euros)....
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Poverty alleviation along with natural resources and climate protection in India, Nepal and Bangladesh: sustainability by improving sanitation and promoting decentralised waste and wastewater treatment. The South Asian countries of operation, mainly India, but also Nepal and Bangladesh, are...
- Abstract, International Journal of Energy Applications and Technologies, 2017 This study is aimed at developing an anaerobic digestion system, optimized for economic manufacture and suited to the climate conditions in rural Sudan, which can efficiently produce biogas for cooking purposes at the...
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Opportunities for Practice Change are examples of actual activities focusing on changes in manure policies and manure management practices which have or will have apositive impact on the livelihoods of farmers and theenvironment.
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In China’s rural areas, most villages do not have electricity, and commercial fuels like kerosene and coal are expensive. Thus the rural population still relies heavily on biological sources of energy. Fuelwood and crop residues (mostly straw) account for 80% of rural household energy use and 54%...
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2018-08-09 Session: The Tanzania Domestic Biogas Programme began in 2007 following a positive feasibility study by GTZ. Tanzanian stakeholders established a taskforce and selected the Centre for Agricultural Mechanisation and Rural Technology (CAMARTEC) as the national agency to coordinate the programme....
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Informal technical mailing lists for organized around the following bioenergy topics: Clean Cooking Stoves Biomass Gasification Biochar Anaeorobic Digestion Green Building Strawbale Building Systems Originally, these email lists were hosted at CREST (the Center for Renewable and Sustainable...
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Abstract, ResearchGate, 2017 Dry climate areas have reduced availability of organic waste an obvious disadvantage for biogas production. This obstacle can be overcome by developing energy crops well adapted to arid areas. In this context, opuntias among them, Opuntia cus-indica (L.) Mill. ...
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Access Agriculture Video Zero-grazing is where fodder is cut and carried to cows which are kept in stalls. It is suited to where land is scarce. When the manure that the cows produce is mixed with water it can provide the fuel for a biogas plant. The mix of methane and carbon dioxide can be used...
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Sub-Saharan Africa continues to suffer from a major energy deficit, with hundreds of millions of people lacking access to electricity and clean cooking fuels. There is a great need for innovative mechanisms that can help families access clean and affordable energy.The Carbon Initiative for...
- Abstract,Advances in Applied Science Research, 2012 A 45 Litres capacity metallic prototype biogas plant constructed at the National centre for Energy Research and Development, University of Nigeria, Nsukka was used to investigate the anaerobic digestion in generating biogas from three types of...
- Abstract,Arid Zone Journal of Engineering, 2017 Anaerobic digester is a physical structure that provides a conducive environment for the multiplication of microorganisms that degrades organic matter to generate biogas energy. Energy is required in agriculture for crop production, processing and...
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Abstract,IOP Conference Series: Earth and Environmental Science, 2018 This study aimed at determining biogas production from codigestion of Elephant grass and cowdung using batch digester. Fresh grass was manually chopped with a maximum length of 3 cm. Chopped grass (25 kg) was perfectly mixed...
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Rural Solutions is a video series that highlights solutions to specific challenges that are common in rural areas of developing countries. Biogas provides an environmentally-friendly alternative to power rural households - but biogas digesters are costly to set up, especially in remote areas....
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Biofuel Research Journal (BRJ)is an Open Access journal withcompletely Free-of-Charge publication policy. BRJ publishes high-qualityoriginal articles, review articles, case studies, book reviews, short communications, and hypotheses on the fundamentals, applications, processing, and management of...
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Access Agriculture Training Video Zero-grazing is where fodder is cut and carried to cows which are kept in stalls. It is suited to where land is scarce. When the manure that the cows produce is mixed with water it can provide the fuel for a biogas plant. The mix of methane and carbon dioxide can...
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2005-03-20 Energy use in agriculture Planting to catch more sunlight Biodigesters in ecological farming systems Biogas in Uganda Improving organic fertilizers Saving energy with better tools Biogas production with guinea pig manure Improving traditional water mills Clean energy for chilling milk Passive...
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Access Agriculture Trianing Video Zero-grazing is where fodder is cut and carried to cows which are kept in stalls. It is suited to where land is scarce. When the manure that the cows produce is mixed with water it can provide the fuel for a biogas plant. The mix of methane and carbon dioxide can...
- This information service on biogas technology has been developed and produced on the order of the GTZ project Information and Advisory Service on Appropriate Technology (ISAT) for the ISAT Website in a collaborative effort. Information within this document includes the basics of biogas, the...
- This information service on biogas technology has been developed and produced on the order of the GTZ project Information and Advisory Service on Appropriate Technology (ISAT) for the ISAT Website in a collaborative effort. Information included in this document include application and production...
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1983-01-01 This study is an assessment of the "appropriateness" of biogas technology in meeting some of the needs of India's rural population. Such an assessment is quite complicated, despite claims that a biogas system is a simple village-level technology. While there is evidence that biogas systems have...
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2007-01-01 Biogas is a well-established fuel for cooking and lighting in a number of countries. It is a gas mixture comprising around 60% methane and 40% carbon dioxide that is formed when organic materials, such as dung or vegetable matter are broken down by microbiological activity in the absence of air,...
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2022-01-01 Bioenergy is renewable energy obtained from biomass-any organic material that has stored sunlight in the form of chemical energy. Biogas is among the biofuels that can be obtained from biomass resources, including biodegradable wastes like manure, sewage sludge, the organic fraction of municipal...
- Neha Batta, Tahereh Sarchami, Cesar M. Moreira, Lars Rehmann, Franco Berruti, Assessment of the effects of biochar on biogas production during anaerobic digestion of aqueous pyrolysis condensate: A circular economy approach, Journal of Environmental Chemical Engineering,Volume 11, Issue 3, 2023,...