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COPPER LOADED MESOPOROUS ZRO2-MCM-41 PHOTOCATALYST AND PROCESS FOR THE PREPARATION THEREOF FOR CR (VI) REDUCTION
COPPER LOADED MESOPOROUS ZRO2-MCM-41 PHOTOCATALYST AND PROCESS FOR THE PREPARATION THEREOF FOR CR (VI) REDUCTION
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机译：铜负载的介孔ZRO2-MCM-41光催化剂及其制备还原CR（VI）的方法
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摘要
Cu loaded mesoporous ZrO2-MCM-41 nanocomposite were prepared by in situ and wetness impregnation method at ambient temperature by taking Cu (NO3)3 as Cu source. Different wt. % of Cu (2, 4, 6 & 8) was loaded on mesoporous support ZrO2-MCM- 41 which was prepared from zirconium butoxide, tetra ethyl ortho silicate and cetyl trimethyl ammonium bromide. Nearly 100 % reduction of Cr (VI) (20 mg L-1) has been achieved by 2 Cu/ZrO2-MCM-41 in 30 min time. Intra particle mesoporosity, high surface area, presence of well dispersion of Cu onto the support material ZrO2-MCM-41 and electron transfer properties are the key factors for enhancing the photocatalytic activity of 2 Cu/ZrO2- MCM-41.
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机译：以Cu（NO3）3为Cu源，在环境温度下通过原位湿法浸渍法制备了负载Cu的介孔ZrO2-MCM-41纳米复合材料。不同重量将％的Cu（2、4、6和8）负载在介孔载体ZrO 2 -MCM-41上，其由丁醇锆，原硅酸四乙酯和十六烷基三甲基溴化铵制备。通过2 Cu / ZrO2-MCM-41在30分钟的时间内，Cr（VI）（20 mg L-1）几乎减少了100％。颗粒内介孔率，高表面积，Cu在载体材料ZrO2-MCM-41上的良好分散以及电子转移性能是增强2 Cu / ZrO2-MCM-41的光催化活性的关键因素。
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