Progress on TiO<sub>2</sub> photo-catalytic selective reduction of nitrogen oxide

Liu Guimei, Lv Haiqin, Zeng Yubin, Wang Chuanyi, Yuan Mingzhe

doi:10.19817/j.cnki.issn 1006-3536.2021.06.014

New Chemical Materials >

2021 , Vol. 49 >Issue 6: 61 - 65

DOI: https://doi.org/10.19817/j.cnki.issn 1006-3536.2021.06.014

Progress on TiO₂ photo-catalytic selective reduction of nitrogen oxide

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1. Shengyang Institution of Automation,Guangzhou,Chinese Academy of Sciences,Guangzhou 511400;
2. Hubei Key Laboratory of Accoutrement Technique in Fluid Machinery and Power Engineering,Wuhan University,Wuhan 430072;
3. Guangdong Environmental Purification Functional Materials Engineering Technology Research Center,Guangzhou 511400

Received date: 2020-02-26

Revised date: 2021-03-11

Online published: 2021-06-29

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Abstract

Nitrogen oxides (NO_x) are the main components of air pollutants.Selective catalytic reduction method is wildly applied to control the nitrogen oxides (NO_x) emission in flue gas with V₂O₅ own to high denitrification and wide usage.But it also has the disadvantages of low low-temperature activity and high energy consumption.Photo-catalytic selective reduction of NO_x is an environmentally friendly treatment process for purifying flue gas with TiO₂,which utilizes light to convert NO_x into N₂ under middle and low temperature.The advantages of high low-temperature activity and low energy consumption make it have broad application prospects.The recent advances in photo-catalytic reduction of NO_x and the ways improve the efficiency were reviewed.And some suggestions on the current development direction of photo-catalytic selective reduction NO_x technology were put forward.

Key words： TiO₂; air pollution; photo-catalytic selective reduction; nitrogen oxide

Cite this article

Liu Guimei, Lv Haiqin, Zeng Yubin, Wang Chuanyi, Yuan Mingzhe . Progress on TiO₂ photo-catalytic selective reduction of nitrogen oxide[J]. New Chemical Materials, 2021 , 49(6) : 61 -65 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.06.014

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