What is the bio gas with diagram
Answers
Answer:
Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen (anaerobically), primarily consisting of methane and carbon dioxide. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste. Biogas is a renewable energy source. In India, it is also known as "Gobar Gas".
Explanation:
Biogas is produced by anaerobic digestion with methanogen or anaerobic organisms, which digest material inside a closed system, or fermentation of biodegradable materials.This closed system is called an anaerobic digester, biodigester or a bioreactor.
Biogas is primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulfide (H2S), moisture and siloxanes.
Biogas can be compressed after removal of Carbon dioxide, the same way as natural gas is compressed to CNG, and used to power motor vehicles.
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ANSWER:
Biogas or gobar gas is a combustible gas.
It is produced through the anaerobic breakdown of waste biomass.
The biogas plant consists of the following parts:-
1) Inlet or charge pit:- for passage of slurry into the digester.
The raw material used is cattle dung, farm refuse, organic waste.
2) Digester:- cylindrical tank which is airtight, above which is present a floating gas holder of metal with an outlet of gas and pit for removal of sludge.
Here the organic wastes get solubilized into simpler substances called monomers (solubilisation).
Monomers change to organic acid by fermenting microbes (acidogenesis).
Organic acid mostly formed is acetic acid.
Methanogens become active and act on components of microbial digestion and form methane gas (methanogenesis).
3) Outlet:- consists of sludge which is used as manure.
The methane gas formed in this process is used for cooking and lighting.