Journal
JOURNAL OF ENVIRONMENTAL SCIENCES
Volume 96, Issue -, Pages 1-20Publisher
SCIENCE PRESS
DOI: 10.1016/j.jes.2020.05.005
Keywords
Microbial fuel cells; Landfill leachate; Nutrient removal; Single chamber microbial fuel cell; Dual chamber microbial fuel cell; Hybrid microbial fuel cell
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Funding
- National Key Research and Development Program of China [2018YFD1100604]
- China Scholarship Council [2018GBJ008465]
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Over half of century, sanitary landfill was and is still the most economical treatment strategy for solid waste disposal, but the environmental risks associated with the leachate have brought attention of scientists for its proper treatment to avoid surface and ground water deterioration. Most of the treatment technologies are energy-negative and cost intensive processes, which are unable to meet current environmental regulations. There are continuous demands of alternatives concomitant with positive energy and high effluent quality. Microbial fuel cells (MFCs) were launched in the last two decades as a potential treatment technology with bioelectricity generation accompanied with simultaneous carbon and nutrient removal. This study reviews capability and mechanisms of carbon, nitrogen and phosphorous removal from landfill leachate through MFC technology, as well as summarizes and discusses the recent advances of standalone and hybrid MFCs performances in landfill leachate (LFL) treatment. Recent improvements and synergetic effect of hybrid MFC technology upon the increasing of power densities, organic and nutrient removal, and future challenges were discussed in details. (C) 2020 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
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