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TiO2/Ti及其改性处理聚乙二醇模拟废水

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刘子传, 郑经堂, 刘会兰, 赵东风, 吴明铂. TiO2/Ti及其改性处理聚乙二醇模拟废水[J]. 环境工程学报, 2012, 6(11): 4015-4020.
引用本文: 刘子传, 郑经堂, 刘会兰, 赵东风, 吴明铂. TiO2/Ti及其改性处理聚乙二醇模拟废水[J]. 环境工程学报, 2012, 6(11): 4015-4020.
shu
Liu Zichuan, Zheng Jingtang, Liu Huilan, Zhao Dongfeng, Wu Mingbo. Treatment of polyethlene glycot simulated wastewater by modified TiO2/Ti[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4015-4020.
Citation: Liu Zichuan, Zheng Jingtang, Liu Huilan, Zhao Dongfeng, Wu Mingbo. Treatment of polyethlene glycot simulated wastewater by modified TiO2/Ti[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4015-4020.
shu

TiO2/Ti及其改性处理聚乙二醇模拟废水

  • 1.

    中国石油大学(华东)重质油国家重点实验室,青岛 266580

  • 2.

    潍坊学院,潍坊 261061

  • 基金项目:

    国家自然科学基金资助项目(20776159,21176260)

    山东省自然科学基金资助项目(ZR2009FL028)

    中央高校基本科研业务专项资金资助项目(09CX05009A)

  • 中图分类号: X505; TQ426

Treatment of polyethlene glycot simulated wastewater by modified TiO2/Ti

  • 1.

    State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China

  • 2.

    Weifang University, Weifang 261061, China

  • Fund Project:

  • 摘要: 采用溶胶-凝胶法制备TiO2/Ti负载体系,并以聚乙二醇2000(PEG-2000)为模拟废水对其光催化性能进行研究。实验表明,TiO2/Ti的最佳负载条件为镀膜层数8层、pH值为3、焙烧温度700℃、焙烧时间2 h,掺杂Fe3+、Ag+、La3+、Pt4+ 4种金属离子均可有效提高TiO2/Ti 对PEG-2000模拟废水的处理效果,在Ag+掺杂量为0.3%、焙烧温度800℃时,2.5 h反应后的COD去除率达到了79.5%。XRD分析表明,金属离子的加入抑制了TiO2由锐钛矿相向金红石相转化。GC-MS分析表明,PEG-2000的光催化是大分子分解为小分子然后被矿化的过程。
    Abstract: TiO2/Ti was prepared by sol-gel method, and the preparation conditions were investigated in the process of photocatalyzing polyethlene glycol (PEG) simulated wastewater. The results showed that the optimal preparation conditions were filming time of 8, pH of 7, calcination temperature of 700℃, calcination time of 2 h. Doped Fe3+, Ag+, La3+ and Pt4+ ions can highly improve the photocatalytic ability of TiO2/Ti. When the molar rate of Ag+ was 0.3% and calcination temperature was 800℃, the removal rate of COD achieved 79.5% for 2.5 hours’ photocatalytic reaction. X-ray diffraction(XRD) showed that metallic ions doping inhibited the transformation from anatase to rutile of TiO2. Gas chromatography-mass spectrometry(GC-MS) showed that the photocatalysis of PEG was first decomposed to little molecules and then was oxidized.
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  • 收稿日期:  2011-12-12
  • 刊出日期:  2012-11-09
刘子传, 郑经堂, 刘会兰, 赵东风, 吴明铂. TiO2/Ti及其改性处理聚乙二醇模拟废水[J]. 环境工程学报, 2012, 6(11): 4015-4020.
引用本文: 刘子传, 郑经堂, 刘会兰, 赵东风, 吴明铂. TiO2/Ti及其改性处理聚乙二醇模拟废水[J]. 环境工程学报, 2012, 6(11): 4015-4020.
shu
Liu Zichuan, Zheng Jingtang, Liu Huilan, Zhao Dongfeng, Wu Mingbo. Treatment of polyethlene glycot simulated wastewater by modified TiO2/Ti[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4015-4020.
Citation: Liu Zichuan, Zheng Jingtang, Liu Huilan, Zhao Dongfeng, Wu Mingbo. Treatment of polyethlene glycot simulated wastewater by modified TiO2/Ti[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4015-4020.
shu

TiO2/Ti及其改性处理聚乙二醇模拟废水

  • 1. 中国石油大学(华东)重质油国家重点实验室,青岛 266580
  • 2. 潍坊学院,潍坊 261061
  • 收稿日期:  2011-12-12
基金项目:

国家自然科学基金资助项目(20776159,21176260)

山东省自然科学基金资助项目(ZR2009FL028)

中央高校基本科研业务专项资金资助项目(09CX05009A)

摘要: 采用溶胶-凝胶法制备TiO2/Ti负载体系,并以聚乙二醇2000(PEG-2000)为模拟废水对其光催化性能进行研究。实验表明,TiO2/Ti的最佳负载条件为镀膜层数8层、pH值为3、焙烧温度700℃、焙烧时间2 h,掺杂Fe3+、Ag+、La3+、Pt4+ 4种金属离子均可有效提高TiO2/Ti 对PEG-2000模拟废水的处理效果,在Ag+掺杂量为0.3%、焙烧温度800℃时,2.5 h反应后的COD去除率达到了79.5%。XRD分析表明,金属离子的加入抑制了TiO2由锐钛矿相向金红石相转化。GC-MS分析表明,PEG-2000的光催化是大分子分解为小分子然后被矿化的过程。

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