Energy, one of the imperative needs of human being plays a key role for the socio-economic development of developing countries like Bangladesh. Energy consumption pattern of any country indicates the state of socio-economic development. Conventional energy (natural gas, oil, coal) is considered as the main energy source in the world. About 35% of world's primary energy consumption comes from natural gas. In the low income country like Bangladesh, rural households contribute the largest share of the biomass fuel consumption. Biomass energy is a potentially sustainable and relatively environment friendly source of energy. Biogas is produced from the organic materials from plants and animals such as straw, leaves, weeds, aquatic plants, human and animal excrement etc which may be degraded by various micro-bacteria in presence or absences of air. The decomposition under anaerobic process produces a flammable gas known as biogas. Cattle dung, kitchen waste, crop residue and most importantly poultry dropping are the most profound sources of biogas in Bangladesh. Biogas can be used for cooking as natural gas is used, running pump for irrigation, running metal to get luminous light( 0.75m3 of biogas can light 7 biogas lamps for an hour ), running generator to produce electricity running motor vehicles, refrigeration running, running incubator etc. The residue of biogas is a very high quality organic fertilizer. It can be used for fish culture, mushroom culture, pearl culture, producing seeding from seed, Earth-worm culture for poultry and fish feed.
Biogas is certainly one of the most popular and effective renewable energy sources, which is produced by the decomposition process of organic materials under anaerobic condition. It can be used to run generator to produce electricity besides cooking, running pump for irrigation, incubator etc.
Watch this video as Bangladesh has taken one step ahead in producing electricity from poultry drops in Gazipur.
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