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《Ecologic Science》 2004-04
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The mechanism and effectes of wastewater treatment by photo-Fenton oxidation

ZHONG Ping, LIU Zheng-wen, KONG Lin-ren Institute of Hydrobiology, Jinan University, Guangzhou 510632, P. R. China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, P. R. China  
The photo-Fenton oxidation, which can treat high concentration and toxic organic wastewater effectively, was a kind of effective technique. This paper described the mechanism and effects of photo-Fenton oxidation. The plenty of·OH (hydroxyl radicals) was produced in photo-Fenton oxidation. The·OH was reactive and nonselective. Its oxidizing potential was 2.8V, having strong oxidation ability, and most of organics were redox. Moreover, the further studies were presented. The virtues were easy manipulation and not contamination. The Fe3+ might react with OH, and Fe(OH)3 product was harmless to environment. The defect was that reaction was carried under pH≤3. The big wastage of H2O2 resulted in processing high-cost and so on.
【Fund】: 国家自然科学基金(29877011) 中国科学院南海海洋研究所LED实验室资助
【CateGory Index】: X703
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