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负载工艺对ACF担载二氧化钛光催化性能的影响

Keywords: 二氧化钛,活性炭纤维ACF,负载方式,负载时间,添加量,光催化

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Abstract:

采用分散液中添加环氧树脂黏结剂并进行热处理的方法，制备出活性炭纤维（ACF）担载二氧化钛光催化材料。并对光催化材料的表面形貌和孔结构进行表征，评价复合光催化材料对亚甲基蓝溶液的光催化降解性能。重点探讨了负载方式、负载时间以及光催化剂的添加量等方面对光催化活性的影响。研究表明，当采用浸渍方式、负载时间控制在15min左右、光催化剂添加量达11g/L时，ACF/TiO2光催化复合材料中光催化剂负载量最佳，在15%左右，对亚甲基蓝（初始浓度为50mg/L）的降解效果最好，在2h内可以达到90%。

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