The effect of adding apple pomace to cows waste on the productivity of biogas

Abstract

Abstract

Apple pomace consider one of the organic waste in Syria, which can be a source of clean energy if treated anaerobically. this research aim to investigate the effect of adding apple pomace to caw manure on producing biogas. The batch experiences were conducted in laboratory-scale digesters on substrates added apple pomace with rates 12.5%, 25% and 37.5%, at a laboratory temperature, for 42 days, and compared it with substrates untreated by adding apple pomace. The results showed that treatment of cow manure substrates by adding apple pomace with rates 12.5%, 25% and 37.5%, significantly increased the production of Biogas compared with untreated substrates which produced 11.76 L_N kg^-1 OTS biogas. The results also showed that treatment  by adding apple pomace with rates 25% to the substrates is the  best  tested treatments methods  which  produced     65.99 L_N kg^-1 OTS of biogas compared to untreated substrates.