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发表时间：2022-10-06

发表刊物：膜科学与技术

卷号：37

期号：4

页面范围：114-121

ISSN号：1007-8924

摘要：Ag/RGO/BiVO4 was synthesized via hydrothermal method,and coated on stainless steel mesh to obtain membrane electrode,the electrode has photocat-alysis,electro-catalysis,filtration functions and germicidal activity.A two chamber system was assembled using membrane cathode and bio-anode,separated by proton exchange membranes (PEM),it could treat contaminated water and generate electricity.Under membrane filtration conditions,the system simulated continuous water treatment process purified actual landscape water (algae,high COD and ammonia nitrogen).In the cathode,68％ of COD was removed at an average rate of 878 mg/(m2 · h) and NH4+-N removal rate reached to 68.4％,furthermore,compared with the suspension,the filtered water became more clearer;in anode chamber,21％ of TN and 87.5％ of COD were removed.Compared with the actual landscape water,the system had a higher removal rate for single tetracycline solution (86％ in two hours).In addition,the open cell voltage (Voc) and the maximum power density reached 0.361 V and 285.6 mW/m2,respectively;·O2-and h+ were the primary reactive oxidizing species during the cathodic photoelectric catalysis degradation;illuminating the photocatalyst membrane had disinfection effects,which could inhibit the growth of E.Coli,this was good for improving the quality of effluent.

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