化工新型材料

化工新型材料 ›› 2022, Vol. 50 ›› Issue (2) : 234-239. DOI: 10.19817/j.cnki.issn1006-3536.2022.02.046

开发与应用

用于NH₃-SCR脱硝反应的铜基沸石分子筛催化剂研究进展

作者信息 +

Research progress on Cu-zeolite catalyst for NH₃-SCR of NO_x

Mao Di, Yang Shuang, Yin Chengyang

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文章历史 +

Received
2020-10-19
Issue Date	Revised Date
2022-03-21	2020-10-19

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摘要

综述了用于氨选择性催化还原(NH₃-SCR)氮氧化物的铜基沸石分子筛催化剂研究进展。介绍了控制大气污染物中氮氧化物的几种常见方法、NH₃-SCR脱除氮氧化物催化剂的类型以及铜基沸石分子筛催化剂用于NH₃-SCR脱硝反应的优点。重点阐述了影响铜基沸石分子筛催化剂脱硝活性的主要因素,如催化剂的拓扑结构、催化剂的制备方法、掺杂其他金属阳离子。最后对铜基沸石分子筛催化剂的研究方向进行了展望。

Abstract

The research progresses of Cu-zeolite catalysts for NH₃ selective catalytic reduction(NH₃-SCR) of nitrogen oxides(NO_x) were summarized.Firstly,several common methods to control nitrogen oxides as one of the main atmosphere pollutants were briefly presented,and classified the catalysts for removal of NO_x by NH₃-SCR.Secondly,the advantages of Cu-zeolite catalysts for NH₃-SCR denitration reaction were described.Especially,major influencing factors of deNO_x activity of Cu-zeolite catalysts were discussed,including the topology of the catalysts,the preparation method of the catalysts,and the doping of other metal cations.Finally,the development trends of Cu-zeolite catalysts were prospected.

关键词

选择性催化还原 / 分子筛催化剂 / 脱硝反应

Key words

selective catalytic reduction / zeolite catalyst / denitration reaction

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用于NH₃-SCR脱硝反应的铜基沸石分子筛催化剂研究进展[J]. 化工新型材料, 2022, 50(2): 234-239 DOI:10.19817/j.cnki.issn1006-3536.2022.02.046

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