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水溶液中腐殖酸的二氧化钛膜光催化氧化研究
引用本文:魏宏斌,徐迪民,徐建伟.水溶液中腐殖酸的二氧化钛膜光催化氧化研究[J].环境科学学报,1998,18(2):161-166.
作者姓名:魏宏斌  徐迪民  徐建伟
作者单位:1. 同济大学环境工程学院,上海,200092
2. 同济大学测试中心
摘    要:二氧化钛膜光催化氧化法处理中腐殖酸技术避免了以往悬浮相光催化时催化剂难以分离回收等问题,具有良好的应用前景。研究了光源种类,TiO2膜的表面修饰和HA水溶液的「H值等因素对HA光催化氧化效率的影响,讨论了有关的机理并合理解释了实验现象。

关 键 词:腐殖酸  光催化氧化  给水处理  饮用水  二氧化钛膜
收稿时间:1996/3/11 0:00:00
修稿时间:1997/4/10 0:00:00

PHOTO OXIDATION OF HUMIC ACID IN AQUEOUS SOLUTION CATALIZED BY TIO 2 FILM
Wei Hongbin,Xu Dimin and Xu Jianwei.PHOTO OXIDATION OF HUMIC ACID IN AQUEOUS SOLUTION CATALIZED BY TIO 2 FILM[J].Acta Scientiae Circumstantiae,1998,18(2):161-166.
Authors:Wei Hongbin  Xu Dimin and Xu Jianwei
Affiliation:School of Environmental Engineering, Tongji University, Shanghai 200092,School of Environmental Engineering, Tongji University, Shanghai 200092 and Analysis and Research Center, Tongji University, Shanghai 200092
Abstract:The photocatalytic oxidation of humic acid(HA) in aqueous solution using TiO 2 film as a catalyst was studied in compared to a dispersion system, in which the suspended TiO 2 particles were difficult to be separated and recovered. The method showed a good application perspective. The effects of the photosources, surface modifications of TiO 2 film and pH value of HA aqueous solution on photocatalytic oxidation efficiencies were investigated. The involved mechanism were discussed.
Keywords:humic acid  TiO  2 film  photocatalytic oxidation    
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