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TiO2硅藻土复合光催化剂研制及光催化氧化水中亚甲基蓝的研究
A Study on the Preparation of TiO2 and Diatomite Complex Photocatalyst and Their Use for Decoloration of Methylene Blue
【摘要】 本文以Ti(SO4)2和硅藻土为原料,采用浸渍法制备TiO2硅藻土复合光催化剂,该催化剂既有良好的吸附性,也有较高的紫外光催化活性。在160W的紫外光照射、光催化剂投加量为1g/l、反应时间为30分钟的条件下,利用该催化剂处理浓度为20mg／l的亚甲基蓝水溶液,脱色率96％。
【Abstract】 The TiO2-diatomite complex photocatalyst was prepared by dipping method using Ti(SO4)2 and diatomite as raw material This photocatalyst had good absorption and good phtocatalytic activity. The experiment showed when ultraviolet power was 160W, the amount of photocatalyst was lg/l, the reaction time was 30min, the photocatalyst had a good decoloration of 20mg/l methylene blue solution, the decoloration rate was 96%.
【关键词】 光催化；
硅藻土；
二氧化钛；
亚甲基蓝；
【Key words】 Photocatalytict； Diatomite； Titanium dioxide； Methylene blue；
【Key words】 Photocatalytict； Diatomite； Titanium dioxide； Methylene blue；
- 【文献出处】 染料与染色 ,Dyestuffs and coloration , 编辑部邮箱 ,2005年01期
- 【分类号】X791
- 【被引频次】45
- 【下载频次】395