Significant improvement of power generation through effective substrate-inoculum interaction mechanism in microbial fuel cell
作者： Sumaya Sarmin , Mostafa Tarek , Selvaraj Mohana Roopan , Chin Kui Cheng , Md Maksudur Rahman Khan
DOI: 10.1016/J.JPOWSOUR.2020.229285
关键词: Electricity generation 、 Sewage treatment 、 Klebsiella variicola 、 Yeast 、 Microbial fuel cell 、 Saccharomyces cerevisiae 、 Pulp and paper industry 、 Bacteria 、 Wastewater 、 Chemistry
摘要: Abstract Low power generation and low voltage output is a common problem in microbial fuel cell (MFC) run with complex wastewater. Biocatalysts are one of the major components to ensure high performance MFCs. In present study, palm oil mill effluent (POME) treated combination Saccharomyces cerevisiae, Klebsiella variicola Pseudomonas aeruginosa intensify treatment efficiency MFC. MFCs catalyzed by pure cultures exhibited range 50–103 mW/m2 whereas yeast-bacteria inoculum demonstrates 5–10 fold higher (500 mW/m2 at 0.67 V) ~90% COD removal efficiency. The mechanism enhanced unravelled which suggests that play crucial role transferring electrons from bulk phase electrode surface through self-produced electron-shuttles same time extract yeast leading generation. Moreover, substrate-inoculum synergism also offers wastewater findings work suggest use mutualistic interaction between bacteria as profound replacement existing bacterial for achieving
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