Madras Agricultural Journal
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PREDIGESTION TECHNOLOGY FOR IMPROVING BIOGAS YIELD OF ANIMAL ORGANIC WASTES

Abstract

Study on the effect of pre-digesting of wastes in improving microbiological activity and biogas production was conducted. Destruction of TS and VS was high in Saranai incorporated treatments and that of cellulose in saranai mixed with cowdung. Gas production was high in the pre-digested saranal and nutgrass treatments. Pre-digesting for 15 to 20 days favoured maximum gas production.

Keywords: Biogas yield, Organic waste, Predigestion

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