Bioelectrochemically assisted anaerobic digestion system for biogas upgrading and enhanced methane production
By Dou, Zeou; Dykstra, Christy M.; Pavlostathis, Spyros G.
Published in Science of The Total Environment
2018
Abstract
The objective of this study was to evaluate the effect of biofilm and external voltage on the performance and microbial community composition of batch-fed, combined anaerobic digestion-bioelectrochemical cell (AD-BEC) systems under different operational conditions. A dextrin/peptone mixture was fed at a range of organic loading rates (0.34 to 1.37g COD/L-d). The hybrid system with both suspended biomass and biofilm without any external potential application achieved a substantially higher initial soluble COD consumption (53.7
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