陈希慧,潘艳坤,黄初升,罗思琴,蔡民廷.TiO2-SiO2光催化纸业废水有色有机物的降解[J].分子催化,2005,(3):172-176,i001
TiO2-SiO2光催化纸业废水有色有机物的降解
Photocatalytic Degradation of Color Organics over TiO2-SiO2 Samples in Making-paper Waste Water
  
DOI:
中文关键词:  TiO2-SiO2混合氧化物  纸业废水  有色有机物  光催化降解  吸附
英文关键词:TiO_2-SiO_2 mixed oxides,Paper-making waste water,Color organics,Photocatalytic degradation,Adsorption,
基金项目:广西教育厅科研项目
陈希慧  潘艳坤  黄初升  罗思琴  蔡民廷
[1]广西大学化学化工学院,广西南宁530004 [2]广西大学化学化工学院,广西南宁530004//广西分析测试研究中心,广西南宁530022 [3]广西师范学院化学系,广西南宁530001
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中文摘要:
      研究了TiO2-SiO2混合氧化物对纸业废水中有色有机物的吸附与光催化降解效率.常温下.TiO2对纸业废水中有色有机物的吸附符合Freundlich模型,Qe=0.239Ce^0.791。TiO2-SiO2混合氧化物对纸业废水中有色有机物的吸附与光催化降解效率与催化剂样品的组成有关,光催化降解效率也与TiO2-SiO2表面总酸量有关.
英文摘要:
      Adsorptive and photocatalytic degradation efficiency of TiO_2-SiO_2 mixed oxides for color organics in paper-making waste water are studied. Adsorptive behavior of organics on TiO_2 follows Freundlich mode, Q_e = 0.239C_e~(0.791). Adsorptive efficiency of TiO_2-SiO_2 samples increased with Ti% of the samples. Photocatalytic degradation efficiency of TiO_2-SiO_2 samples increased with total acid amount on the sample surface.
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