期刊
JOURNAL OF CLEANER PRODUCTION
卷 346, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.131227
关键词
Microbial fuel cells; Pilot-scale; Wastewater treatment; COD; Energy recovery; Performance parameters
资金
- Engineering and Physical Sciences Research Council (EPSRC) [EP/S032517/1]
- Northumbrian Water Ltd
This paper systematically analyzes pilot-scale data of Microbial Fuel Cells (MFCs) and identifies strong correlations between the amount and rate of wastewater treatment. Based on these correlations, a framework is developed for designing MFCs to treat any given wastewater at any scale.
Microbial Fuel Cells (MFCs) directly convert wastewater into electricity, reducing its chemical oxygen demand (COD), thus concomitantly treating it. Increasing global demands for clean water and energy has driven research interest in MFCs over the last 25 years, transitioning from a laboratory innovation into pilot-scale demonstrations, and even some commercial units. However, the technology still lacks the proper framework for design that existing treatment processes have. To address this gap, this paper systematically analyses pilot-scale MFC data, showing that despite large variation in environments/climates, operational parameters, wastewater types, architecture, and performance in terms of current production, strong correlations exist between both the amount and the rate of wastewater treatment. Using these correlations, a framework was developed for designing MFCs to give reactor size and hydraulic retention time for treating any given wastewater at any scale. In this meta-analysis, vastly different studies have been compared standardising the data presented and using this to draw generalisations about MFC design and performance. Improved consistent reporting could further strengthen this framework, making data more accessible and ultimately aid future research and commercialisation of MFCs as a wastewater treatment technology.
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