Anaerobic digestion process for the treatment of high brix distillery spent wash

Distillery spent wash is the unwanted residual liquid waste generated during alcohol production and the pollution caused by it has become a critical environmental issue. Despite standards imposed on effluent quality, untreated or partially treated effluent very often finds access to watercourses. The distillery wastewater with its characteristic unpleasant odour poses a serious threat to the water quality in several regions around the globe. In this study, experiments were carried out to investigate the production of biogas from distillery spent wash by using an anaerobic digestion process with Continuous Stirred Tank Reactor (CSTR). The experiment was carried out to calculate the efficiency of the production of biogas. The digester was operated with feed of high Brix Spentwash. The digester shows stable performance with production of biogas.