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Most of the present energy needs of the world are fulfilled by conventional non renewable energy sources comprised mainly of fossil fuels. The increasing cost of fossil fuels in the world market has shattered economy of several developing countries. In the years to come it is feared that no conventional fuel will be available anywhere in the world to overcome this energy crunch, the countries have to give an extra emphasis on indigenous and non conventional energy sources such as wind, solar, geothermal, tidal and Bioenergy. Biogas is important Bioenergy and it refers to a mixture of gases...

The needs of man have increased many-folds in the past century due to the growth of human population and industrialization. Now whole world is facing a deep energy crisis. To overcome the energy crunch many countries have to give extra emphasis on non conventional energy sources. Biomass has been serving mankind since arrival of man on the earth. Biomass is used for production of bioenergy. Biogas is the important bioenergy which is mixture of methane (65 - 75%) and CO2 (30 - 35%) together with other gases like NH3, H2S, H2 and N2 etc in trace quantities produced from organic matter under...