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《Journal of the Chinese Ceramic Society》 2009-02
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WANG Min1,2,WANG Liao1,ZHOU Lina2,ZHANG Wenjie2(1.School of Resource and Environmental Science,Chongqing University,Chongqing 400044;2.College of Environmental and Chemical Engineering,Shenyang University of Science and Technology,Shenyang 110168,China)  
Fe2O3/FeVO4 photocatalysts were prepared by liquid phase precipitation.The photocatalytic activities of the Fe2O3/FeVO4 series catalysts with different Fe contents and calcined at different temperatures were investigated.The photocatalytic activity under visible and ultra-violet light was evaluated by photocatalytic degradation of methyl orange(MO) in the solution.The results show that the sample with a Fe to V mole ratio of 1.01:1 and calcined at 750 ℃ for 4 h has the best MO decolorization rate;the decolorization rate was 19% greater than that of pure FeVO4.The results also show that the decolorization rate of MO at 100 min can reach 82% at the optimum initial concentration of catalysts of 4 g/L.Moreover,the Fe2O3/FeVO4 catalysts can be re-utilized,and the photocatalytic efficiency of the Fe2O3/FeVO4 is still above 80% even after being reused five times.
【Fund】: 国家自然科学基金(50774074);; 国家重点基础研究发展计划(973计划)(2005CB121104)资助项目
【CateGory Index】: O643.36
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