Remediation of Acid Mine Drainage Based on a Novel Coupled Membrane-Free Microbial Fuel Cell with Permeable Reactive Barrier System
Hai Tang, Wen‐Cheng Pu, Cai Chang-feng, XU Jian-ping +1
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Abstract
In this study, a coupled membrane-free microbial fuel cell (MFC) with permeable reactive barrier (PRB) was reported and its treatment performance and electricity generation for acid mine drainage (AMD) were examined. The pilot-scale continuous flow MFC-PRB was operated for five periods at a hydraulic retention time of 48.0 h, and the average sulphate removal percentages of 51.2%, 39.8%, and 33.1% were obtained in effluent of 1,000, 2,000, 3,000 mg/l, respectively. More than 99.5% of the initial concentrations of Cu 2+ , Zn 2+ , and Pb 2+ were removed, resulting in concentrations of those elements of 0.01-0.05 mg/l in the effluent. The results demonstrated that the MFC-PRB holds a potential capacity for remediation of AMD.
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- Journal
- Polish Journal of Environmental Studies
- Year
- 2016