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TiO_2光催化降解腐殖酸的实验研究 被引量:8

Experimental studies on removing humid acid by TiO_2 photo-catalytic oxidation
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摘要 考察了溶液pH值、光催化剂质量浓度、腐殖酸初始浓度等因素对腐殖酸去除的影响,运用SEC和LC-OCD联合分析降解过程中腐殖酸分子变化情况并模拟饮用水的消毒过程.结果表明,降解是一个由腐殖酸大分子到小分子酸的过程,光催化体系不但能使腐殖酸褪色,还大大降低了消毒副产物生成势. This study investigated the effects of different factors on removal of Humic Acid (HA),such as initial pH,mass concentration of catalyst,initial mass of HA,etc.The combination of SEC and LC-OCD analysis showed that the large HA molecular was converted into acids of small molecular gradually during degradation process.By simulating the disinfection process,the paper demonstrated the photo-catalytic system could not only remove the color of HA but also diminish the formation potential of DBPs effectively.
出处 《华东师范大学学报(自然科学版)》 CAS CSCD 北大核心 2011年第2期119-125,共7页 Journal of East China Normal University(Natural Science)
基金 国家自然科学基金(20707006) 华东师范大学海外研修基金
关键词 TiO_2 腐殖酸 降解过程 消毒副产物 TiO_2 humic acid degradation process DBPs
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