化工进展

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室内甲醛催化氧化脱除的研究进展

何运兵,纪红兵,王乐夫   

  1. 华南理工大学化工学院
  • 出版日期:2007-08-25 发布日期:2007-08-25

Development of the removal of indoor formaldehyde with catalytic oxidation

HE Yunbing,JI Hongbing,WANG Lefu   

  1. School of Chemical Engineering,South China University of Technology
  • Online:2007-08-25 Published:2007-08-25

摘要: 综述了国内外采用氧化技术治理室内甲醛污染的最新研究进展。分析了目前各种脱除甲醛技术的缺陷,提出采用催化氧化方法脱除甲醛;介绍了光催化氧化装置的原理、效果及其改性研究;对采用多相催化氧化脱除室内甲醛的研究做了详尽的阐述;最后介绍了在室内甲醛脱除中催化氧化同其他方法的一些复合技术。通过对室内甲醛催化氧化脱除的分析,从甲醛脱除效果和能耗的角度看,低温催化氧化是一种脱除室内甲醛可行有效的方法。

Abstract: The latest development in the treatment of indoor formaldehyde pollution with oxidation technique is summarized. Firstly,catalytic oxidation is proposed to remove formaldehyde on the basis of the shortcomings in the existing methods commonly used in the removal of formaldehyde. Then the principle and effect of the present photocatalytic apparatus and the modification of photocatalysts are introduced. In addition,the research on the removal of indoor formaldehyde with heterogeneous catalytic oxidation is presented in detail. Finally,some methods combining catalytic oxidation and other methods in the removal of indoor formaldehyde are introduced as well. After the analysis of indoor formaldehyde removal,and from the view point of efficiency and energy consumption,it is concluded that low temperature catalytic oxidation is one of the available and most effective techniques in the removal of indoor formaldehyde.

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