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采用竹活性炭作为载体,通过溶胶-凝胶法制备二氧化钛/竹活性炭复合光催化剂,并考察其对水溶液中甲醛的去除效果.分别考察了预吸附时间、催化剂投加量、初始反应浓度等对去除效果的影响,结果表明预吸附1h,催化剂投加量为1g时,初始浓度为5mg/L甲醛溶液在17W紫外灯照射480min时,去除率达95.96%.同时,对制备所得的复合光催化剂去除水溶液中甲醛的动力学进行了初步研究,结果表明二氧化钛/竹活性炭复合光催化剂去除水溶液中甲醛的反应符合解格缪尔-欣伍(Langmuir-Hinshelwood )动力学方程,为一级反应.

参考文献

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