Cu/La共掺杂TiO2光催化氧化水中的氨氮

刘佳, 龙天渝, 陈前林, 杜坤. Cu/La共掺杂TiO2光催化氧化水中的氨氮[J]. 环境工程学报, 2013, 7(2): 457-462.
引用本文: 刘佳, 龙天渝, 陈前林, 杜坤. Cu/La共掺杂TiO2光催化氧化水中的氨氮[J]. 环境工程学报, 2013, 7(2): 457-462.
Liu Jia, Long Tianyu, Chen Qianlin, Du Kun. Photocatalytic catalytic oxidation of ammonia in aqueous solutions by Cu/La-codoped TiO2[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 457-462.
Citation: Liu Jia, Long Tianyu, Chen Qianlin, Du Kun. Photocatalytic catalytic oxidation of ammonia in aqueous solutions by Cu/La-codoped TiO2[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 457-462.

Cu/La共掺杂TiO2光催化氧化水中的氨氮

  • 基金项目:

    国家水体污染控制与治理科技重大专项(2009ZX07104-002)

    重庆市自然科学基金资助项目(CSTC,2011BB7085)

  • 中图分类号: X703

Photocatalytic catalytic oxidation of ammonia in aqueous solutions by Cu/La-codoped TiO2

  • Fund Project:
  • 摘要: 采用水解-沉淀法制备了Cu/La共掺杂纳米TiO2催化剂,利用XRD、XPS和BET技术对其进行表征,并考察了在紫外灯下,共掺杂TiO2对氨氮的光催化氧化工艺条件。物相结构和比表面积测试结果表明,共掺杂催化剂具有较好的锐钛矿晶型,孔径分布为4~8 nm,Cu/La共掺杂TiO2 La以La3+,Cu是以Cu2+、Cu+的形式掺杂进入TiO2的晶格。光催化实验表明:所得改性光催化剂对氨氮的去除及焦化废水的处理均具有较高的催化活性。
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出版历程
  • 收稿日期:  2012-03-27
  • 刊出日期:  2013-02-02

Cu/La共掺杂TiO2光催化氧化水中的氨氮

  • 1. 重庆大学三峡库区生态环境教育部重点实验室,重庆 400045
  • 2. 贵州大学化学与化工学院,贵阳 550003
基金项目:

国家水体污染控制与治理科技重大专项(2009ZX07104-002)

重庆市自然科学基金资助项目(CSTC,2011BB7085)

摘要: 采用水解-沉淀法制备了Cu/La共掺杂纳米TiO2催化剂,利用XRD、XPS和BET技术对其进行表征,并考察了在紫外灯下,共掺杂TiO2对氨氮的光催化氧化工艺条件。物相结构和比表面积测试结果表明,共掺杂催化剂具有较好的锐钛矿晶型,孔径分布为4~8 nm,Cu/La共掺杂TiO2 La以La3+,Cu是以Cu2+、Cu+的形式掺杂进入TiO2的晶格。光催化实验表明:所得改性光催化剂对氨氮的去除及焦化废水的处理均具有较高的催化活性。

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