A novel process using enhanced acidification and a UASB reactor for biomethanation of vegetable market waste

摘要

The processing of solid vegetable market waste was attempted in a two-stage digester. Initially, for the hydrolysis and acidification of waste, enhanced extraction process was carried out by continuous sprinkling of water over the bed of waste in a mild steel 100 l solid bed digester. The leachate obtained after completion of acidification phases was further treated in 24.6 l UASB reactor for biogas production. The effect of waste-liquid ratio, dilution and sprinkling Rate on the digestion of waste were studied.