Explain the construction working of gas production process utility of biogas production plant
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Biogas refers to a mixture of different gasesproduced by the breakdown of organic matterin the absence of oxygen. Biogas can be produced from raw materials such asagricultural waste, manure, municipal waste,plant material, sewage, green waste or food waste. Biogas is a renewable energy source.
Biogas is produced by anaerobic digestionwith methanogen or anaerobic organisms, which digest material inside a closed system, or fermentation of biodegradable materials.[1]This closed system is called an anaerobic digester, biodigester or a bioreactor.[2]
Biogas is primarily methane (CH
4) and carbon dioxide (CO2) and may have small amounts ofhydrogen sulphide (H
2S), moisture andsiloxanes. The gases methane, hydrogen, andcarbon monoxide (CO) can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel; it can be used for any heating purpose, such as cooking. It can also be used in a gas engine to convert the energy in the gas into electricity and heat.[3]
Biogas can be compressed, the same way asnatural gas is compressed to CNG, and used to power motor vehicles. In the United Kingdom, for example, biogas is estimated to have the potential to replace around 17% of vehicle fuel.[4] It qualifies for renewableenergy subsidies in some parts of the world. Biogas can be cleaned and upgraded to natural gas standards, when it becomes bio-methane. Biogas is considered to be a renewable resource because its production-and-use cycle is continuous, and it generates no net carbon dioxide. As the organic material grows, it is converted and used. It then regrows in a continually repeating cycle. From a carbon perspective, as much carbon dioxide is absorbed from the atmosphere in the growth of the primary bio-resource as is released, when the material is ultimately converted to energy.
Biogas is produced by anaerobic digestionwith methanogen or anaerobic organisms, which digest material inside a closed system, or fermentation of biodegradable materials.[1]This closed system is called an anaerobic digester, biodigester or a bioreactor.[2]
Biogas is primarily methane (CH
4) and carbon dioxide (CO2) and may have small amounts ofhydrogen sulphide (H
2S), moisture andsiloxanes. The gases methane, hydrogen, andcarbon monoxide (CO) can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel; it can be used for any heating purpose, such as cooking. It can also be used in a gas engine to convert the energy in the gas into electricity and heat.[3]
Biogas can be compressed, the same way asnatural gas is compressed to CNG, and used to power motor vehicles. In the United Kingdom, for example, biogas is estimated to have the potential to replace around 17% of vehicle fuel.[4] It qualifies for renewableenergy subsidies in some parts of the world. Biogas can be cleaned and upgraded to natural gas standards, when it becomes bio-methane. Biogas is considered to be a renewable resource because its production-and-use cycle is continuous, and it generates no net carbon dioxide. As the organic material grows, it is converted and used. It then regrows in a continually repeating cycle. From a carbon perspective, as much carbon dioxide is absorbed from the atmosphere in the growth of the primary bio-resource as is released, when the material is ultimately converted to energy.
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