Petrol and CNG engines can also be modified easily to use biogas.This technology aims for generation, purificationenrichment, bottling and piped distribution of biogas.
India approved 21 of these projects with aggregate capacity of 37,016 cubic metre per day, of which 2 projects have been successfully commissioned by December 2011. During 2011, some 45000 small scale biogas plants were installed. Cumulatively, India has installed 4.44 million small scale biogas plants. India has additionally commissioned 158 projects under its Biogas based DistributedGrid Power Generation programme, with a total installed capacity of about 2 MW. India is rich in biomass and has a potential of: 16,881MW (agro-residues and plantations), 5000MW (bagasse cogeneration) and 2700MW (energy recovery from waste). As of 2010, India burnt over 200 million tonnes of coal-replacement worth of traditional biomass fuel every year to meet its energy need for cooking and other domestic use. This traditional biomass fuel fuel wood, crop waste and animal dung is a potential raw material for the application of biomass technologies for the recovery of cleaner fuel, fertilisers and electricity with significantly lower pollution. In particular there is a significant potential in breweries, textile mills, fertiliser plants, the paper and pulp industry, solvent extraction units, rice mills, petrochemical plants and other industries to harness biomass power. Reduces global warming Produces good quality enriched manure to improve soil fertility. Effective and convenient way for sanitary disposal of organic wastes, Improving the hygienic conditions. Due to its lower density than CNG this is less lethal than CNG. LPG has liquid like properties and when leakage occurs the gas flows down in a liquid like manner and stays down for a very long time. ![]() It can be used in the following ways: Cooking: A biogas plant of 2 cubic meters is sufficient for providing cooking fuel needs of a family of about five persons. Ordinary burners for LPG stoves may be used, with the aperture enlarged to meet the lower pressure of biogas from biodigesters. Not only is LPG 20 times expensive but also 3 times more dangerous. ![]() The biogas lamp directly uses biogas produced in a biogas digester, and is an invaluable component of the biogas industry, especially in villages. However, this valuable product is not commercially produced in India. To obtain domestic lighting from biogas, operators have to use expensive, inefficient and complicated diesel gensets to convert the biogas energy into electricity first, before being usedagain highly inefficientlyin incandescent lights (as the more efficient CFL lamps are prohibitively expensive for poor villagers). The most important reason that villagers want electricity in their homes is for their children to study at night. If Biogas has to be used in gensets to convert to electricity then it is better to use LED lamps for lighting can be used. Diesel engines have been modified to run 100 per cent on biogas.
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