Anaerobic digestion of vegetable market waste in India
by Sunil Kumar, Somnath Mukherjee, Sukumar Devotta
World Review of Science, Technology and Sustainable Development (WRSTSD), Vol. 7, No. 3, 2010

Abstract: A batch digestion study of mixed vegetable market waste was carried out at 5% Total Solid (TS) concentration in a laboratory-scale digester of 10-l capacity. After 41 days, 0.15 m³ of biogas per kg of TS was observed with a maximum gas production rate of 650 ml/h on day 25. The Chemical Oxygen Demand (COD) reduction of vegetable waste slurry was found to be approximately 65%. Degradation of waste was also studied in a solid bed reactor of 100 l capacity at regular intervals. The COD of leachate obtained from solid bed digester ranged between 1500 mg/l and 25,000 mg/l.

Online publication date: Mon, 05-Apr-2010

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