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Biogas is a gaseous renewable energy source [1] produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste, wastewater, and food waste. Biogas is produced by anaerobic digestion with anaerobic organisms or methanogens inside an anaerobic digester , biodigester or a bioreactor .
This can be whole crops used in co-digestion or as waste (stems and stalks) from harvesting of these crops. Municipal wastes: Food waste, coffee/tea filters, organic leftovers, bakery waste, and kitchen waste. Agricultural wastes: Fruits, molasses, stems, plant straw, and bagasse (residue after crushing sugarcane or sorghum stalks).
The scope for biogas generation from nonsewage waste biological matter – energy crops, food waste, abattoir waste, etc. - is much higher, estimated to be capable of about 3,000 MW. [94] Farm biogas plants using animal waste and energy crops are expected to contribute to reducing CO 2 emissions and strengthen the grid, while providing UK ...
Sharad P Kale is a scientist known for developing a biogas plant based on biodegradable waste resource (Nisargruna). [1] He is the head of Technology Transfer and Collaboration at Bhabha Atomic Research Centre (BARC). On 26 January 2013, the Government of India honoured him with the Padma Shri Award in the Discipline of Science and Engineering. [2]
Comparison of common AD digester technology types. The following is a partial list of types of anaerobic digesters.These processes and systems harness anaerobic digestion for purposes such as treatment of biowaste, animal manure, sewage and biogas generation. [1]
The city of Oslo, Norway installed a system for converting domestic food waste to fuel in 2012. A thermal hydrolysis system produces biogas from the food waste, which provides fuel for the city bus system and is also used for agricultural fertilizer.
TN P/2 Biogas System at Mombasa Go-Kart, Bamburi, Mombasa 2-stage-biogas-system consisting of: one 12 cubic meter Puxin biogas digester; three 1 cubic meter hydrolysis pits; Daily feedstock: 70 – 100 kg kitchen waste. Daily biogas production about 7 cubic meters. The excess biogas that is not consumed is stored in a gas bag.
Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane, compost, humus, and simple organic molecules by micro-organisms and other living things by composting, aerobic digestion, anaerobic digestion or similar processes.