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Study on Photocatalytic Oxidation of Methyl Orange in Water
Author(s): 
Pages: 22-25
Year: Issue:  1
Journal: JOURNAL OF NANCHANG UNIVERSITY(ENGINEERING & TECHNOLOGY)

Keyword:  纳米TiO2光催化氧化甲基橙溶液动力学方程;
Abstract: 本实验采用纳米级的二氧化钛,对甲基橙溶液进行了紫外光催化氧化处理,探讨了pH的影响和添加Fe3+的效果及反应动力学方程.结果表明,采用UV/O3/TiO2工艺对其进行处理,pH4-5时,10W紫外灯光照60min,CODcr去除率达84%,脱色率达96%以上.添加Fe3+,对溶液的催化降解速度提高不明显.动力学研究表明,CODcr降解速度对CODcr的浓度为一级反应.
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