EVALUATION OF BIOGAS YIELD FROM Vernonia amygdalina (Grawa) LEAVES CO-DIGESTED WITH COW DUNG UNDER ANAEROBIC CONDITION

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Abstract:

Biogas is an alternative renewable energy sources and a mixture of different gases, mainly methane and carbon dioxide, resulting from anaerobic digestion of organic matter. In this study, production of biogas from Vernonia amygdalina leaves co-digested with cow dung in anaerobic condition were evaluated under mesophilic condition at 38ºC using a batch mode digester. Biogas production was evaluated from treatments with different mix ratios A (100%VA) B (75%VA+25%CD), C (75%CD+25%VA), D (50%VA+50%CD) and E (100%CD) in three replicates. In all the treatments, physico-chemical parameters such as pH, total solid, volatile solid, organic carbon, total nitrogen and carbon to nitrogen ratio weremeasured before and after anaerobic digestion. The results showed that all measured physico chemical parameters of each substrate significantly (P

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EVALUATION OF BIOGAS YIELD FROM Vernonia amygdalina (Grawa) LEAVES CO-DIGESTED WITH COW DUNG UNDER ANAEROBIC CONDITION

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