引用本文:
郭俊怀, 沈星灿, 郑文君, 陈芳. 载银纳米TiO2光催化降解水中有机污物[J]. 应用化学,
2003, 20(5): 420-423.
Citation: GUO Jun-Huai, SHEN Xing-Can, ZHENG Wen-Jun, CHEN Fang. Preparation of Silver-doped Nano-Titania for Catalytical Photolysis of Organic Pollutants in Sewage[J]. Chinese Journal of Applied Chemistry, 2003, 20(5): 420-423.
Citation: GUO Jun-Huai, SHEN Xing-Can, ZHENG Wen-Jun, CHEN Fang. Preparation of Silver-doped Nano-Titania for Catalytical Photolysis of Organic Pollutants in Sewage[J]. Chinese Journal of Applied Chemistry, 2003, 20(5): 420-423.
载银纳米TiO2光催化降解水中有机污物
English
Preparation of Silver-doped Nano-Titania for Catalytical Photolysis of Organic Pollutants in Sewage
Abstract:
A photolysis catalyst consisted of nano-titania was prepared from TiOSO4 and TiOCl2.The contents of anatase and rutile in the nano-titania were about 85% and 15%,respectively.Doping of 0.5% (mass fraction) silver on the surface of the nano-titania potentiated the catalytic activity and prolonged the life of the catalyst.Its peculiar flocculation behavior was of great benefit to the separation of the catalyst for the repeated use.The nano-titania (doped or undoped) exibited activity for photocatalytical degradation of reactive black as simulated wastewater,anthraquinone dyes in the actual wastewater,and the organic pollutants in sugar-refinery waste water.The results indicated that the silver-doped catalysts have the advantages of high activity,long life,cheapness and repeated usage.
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Key words:
- silver-doped nano-titania
- / catalytical photolysis
- / organic pollutant
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