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...Unit biomass and its utilization structure introduction objective types of biogas plants process in digester batch fed multiple plug flow high rate india floating drum fixed dome size the environnemental aspects slurry sludge management liquid storage drying composting economic let us sum up key words answers to saqs were experimentally introduced s research was principally focused around sewage purification station at dadar bombay early developed very expensive not cost effective terms gas output over next twenty years new models designed having small scale digesters envisaging farm labourers as user khadi village industry commission kvic chose promote designs which more productive had a longer life rquired minimal maintenance basic plant came be known model consists deep well usually made mild steel system collects is kept relatively constant pressure produced holder consequently rises consumed then falls moves through inlet higher than outlet tank creating hydrostatic only completel...