Potential of Biomethane Production from Distillery Wastewater of Community Refined Liquors Plant by Anaerobic Co-digestion Process with Molasses
DOI:
https://doi.org/10.55164/jgrdi.v1i1.704Keywords:
Biogas Production, Anaerobic Co-digestion, Distillery Wastewater, MolassesAbstract
The objective of this research was to determine the methane production potential of distillery wastewater (DW) by anaerobic co-digestion with molasses (ML) under mesophilic conditions (35°C), in which the ratio of DW and ML for the study was 99: 1, 98: 2, 97: 3, 96: 4 and 95: 5. The results showed that the optimal ratio of the anaerobic co-digestion of DW with ML was 99: 1 (2.92 g COD) with methane yield and methane production of 343 ml CH4/g COD and 17 m3 CH4/m3 wastewater, respectively. The biogas contained the density of methane with the range between 55%-70% and the density average was at 62.5%. The synergy of methane potential analysis of co-digestion DW with ML revealed a high methane yield at the ratio of 99: 1 with methane yield increasing of 69 ml CH4/g COD. Co-digestion with ML (99: 1) increased the ratio of carbon to nitrogen of DW from 14.39 to 25.09 which resulted in the methane production potential being enhanced.
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