Performance improvement of whey-driven microbial fuel cells by acclimation of indigenous anodophilic microbes

摘要: Various methods are available for the recycling and treatment of cheese whey with objective enhancing sustainable manufacturing. Currently, an increasing interest is on anaerobic bioremediation added benefit generating electricity in microbial fuel cells (MFCs). Since microorganisms biocatalysts MFCs, their initial density plays a paramount role both towards generation bioremediation. Hence, this study was aimed at evaluating effects anode enrichment power generation. Anodes were enriched inherent to periods 30 90 days before application wheypowered MFCs. At termination reactor cycles, one-month-old pre-incubated anodes had 0.13% coulombic efficiency (e cb ), 88.3% total chemical oxygen demand (tCOD) removal maximum (P d ) 29.1 ± 4.9 W/m 2 , whereas three-month-old e = 80.9 92.8%, tCOD P 1800 120 . Two non-acclimated used as control separate setups exhibited 0.17% efficiency, 71.6% 30.9 4.2 W//m Microscopy analyses revealed different morphologies surfaces depending length further molecular electrode communities indicated up 92% identity various species from Lactobacillus genus. This established that, acclimation step ahead MFC significantly improved performance reactors utilising live fuel. Key words : Cheese whey, cell, enrichment, alternative energy, bioelectricity,