Abstract
Full-Scale Application of Up-flow High Rate Anaerobic Reactor with Substrate Modification and Effluent Recirculation for Sugarcane Vinasse Degradation and Biogas Generation
Highlights
IntroductionIndonesia Biofuel Association indicated that ethanol production could reach 180 million liters per year, with average domestic consumption of 100 million L per year
The Indonesian sugar and ethanol industries have developed rapidly in recent years
This study explored the degree of organic degradation, the amount of biogas produced, the optimum retention time achieved, and the quality of vinasse effluent after treatment
Summary
Indonesia Biofuel Association indicated that ethanol production could reach 180 million liters per year, with average domestic consumption of 100 million L per year. Sugarcane has high potential energy, 40% transformed into alcohol, and 31% remain in the by-products as bagasse (26%) and vinasse (5%) (Del Nery et al, 2018). The production of vinasse in a traditional alcohol factory is around [8,9,10,11,12,13,14,15,16,17,18,19,20] L per Liter of ethanol produced (Cabrera-Díaz et al, 2017; Joppert et al, 2017). The water and soil pollution resulting from sugarcane vinasse wastewater disposal is a challenging issue that comes from the biofuel ethanol industries (Harihastuti and Marlena, 2018)
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