BIOGAS PRODUCTION FROM ANAEROBIC CO-DIGESTION OF CASSAVA EFFLUENT AND HUMAN URINE

Abstract

This study investigated anaerobic co-digestion of cassava liquid waste (Highly acidic with low nitrogen)
and human urine (basic and rich in nitrogen). This method greatly contributes to the production of biogas. The
digester operating in batch and continuous mode using cassava effluent + human urine + cow dung. The
operation of the batch digester showed good purification with removal of the COD, nitrogen retention and fuel
gas production of 192 m3 with average of 80.75% methane. The operation of the digester Continuous revealed a
biogas production of 166.45 m3 with 61.23% methane. Biogas production remains remarkable whatever the
mode of operation and the biogas used to cook attiéké, will reduce the use of firewood for cooking attiéké.