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可见光下TiO2/α-ZrP复合材料光催化降解罗丹明B 被引量:2

Photocatalytic degradation of Rhodamine B by TiO2/α-ZrP composites under visible light irradiation
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摘要 以TiO2/α-ZrP复合材料为可见光光催化剂,采用氙灯模拟可见光,研究了TiO2/α-ZrP复合材料对有机染料罗丹明B的光催化降解情况。试验探究了TiO2的掺杂量、反应时间、染料浓度、光催化剂用量、染液pH值等对光催化降解罗丹明B的影响。结果表明,当TiO2的掺杂量为17%时,TiO2/α-ZrP复合材料的光催化活性最高。浓度为6×10^-5 mol/L的罗丹明B溶液的最佳降解条件为:染液初始pH值为4,TiO2/α-ZrP复合光催化剂质量浓度为3.6 g/L。 The photocatalytic degradation of RhB by TiO2/α-ZrP composites is studied using xenon lamp to simulate visible light.The effects of doping amount of TiO2,reaction time,initial dye concentration,photocatalyst dosage and the pH value on the degradation of RhB are investigated in detail.The results show that the photocatalytic activity of TiO2/α-ZrP is the highest when the doping amount of TiO2 is 17%.The optimum degradation conditions of RhB solution with the concentration of 6×10^-5 mol/L are as follows:the initial pH value is 4 and the dosage ofα-ZrP/TiO2 is 3.6 g/L.
作者 胡晓霞 张彩云 邢彦军 HU Xiao-xia;ZHANG Cai-yun;XING Yan-jun(Division of Science and Technology,Shanghai Urban Construction Vocational College,Shanghai 201415,China;College of Chemistry,Chemical Engineering and Biotechnology,Donghua University,Shanghai 201620,China;Lutai School of Textile and Apparel,Shandong University of Technology,Zibo 255049,China)
出处 《印染》 北大核心 2019年第23期34-38,共5页 China Dyeing and Finishing
关键词 废水处理 光催化降解 可见光 掺杂 复合材料 wastewater treatment photocatalytic degradation visible light dopping composites
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