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Ag3PO4光催化耦合微生物燃料电池去除罗丹明B

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Indexed by:期刊论文

Date of Publication:2016-02-10

Journal:无机化学学报

Included Journals:PKU、ISTIC、CSCD、SCIE

Volume:32

Issue:2

Page Number:216-222

ISSN No.:1001-4861

Key Words:磷酸银;罗丹明B;微生物燃料电池;可见光光催化

Abstract:以硝酸银、磷酸钠为原料,-步沉淀法制备了Ag3PO4可见光光催化剂,用硅溶胶将其负载于不锈钢丝网上,经干燥得到光催化电极.以此光催化电极和碳棒分别作为阴极、阳极,在阳极室加入负载生物产电菌的活性炭颗粒,建立光催化耦合微生物燃料电池反应器.以罗丹明B(RhB)为模型污染物,考察了光照、底物浓度、pH值等对污染物去除效率与电池产电性能的影响.结果显示:在100 W卤素灯光照下、外接500 Q电阻、pH=10、微生物量1.5倍,反应4h可去除92%的(50 mg· L-1、200 mL)RhB;此时电池输出电压和功率密度分别为124 mV、34.9 mW·m-2.5次重复实验表明该负载型光催化电极具有很好的稳定性.

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