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A review of the catalysts used in the reduction of NO by CO for gas purification
Xu, Zhicheng1,2; Li, Yuran1; Lin, Yuting1; Zhu, Tingyu1,3
2020-03-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume27Issue:7Pages:6723-6748
Abstract

The reduction of NO by the CO produced by incomplete combustion in the flue gas can remove CO and NO simultaneously and economically. However, there are some problems and challenges in the industrial application which limit the application of this process. In this work, noble metal catalysts and transition metal catalysts used in the reduction of NO by CO in recent years are systematically reviewed, emphasizing the research progress on Ir-based catalysts and Cu-based catalysts with prospective applications. The effects of catalyst support, additives, pretreatment methods, and physicochemical properties of catalysts on catalytic activity are summarized. In addition, the effects of atmosphere conditions on the catalytic activity are discussed. Several kinds of reaction mechanisms are proposed for noble metal catalysts and transition metal catalysts. Ir-based catalysts have an excellent activity for NO reduction by CO in the presence of O-2. Cu-based bimetallic catalysts show better catalytic performance in the absence of O-2, in that the adsorption and dissociation of NO can occur on both oxygen vacancies and metal sites. Finally, the potential problems existing in the application of the reduction of NO by CO in industrial flue gas are analyzed and some promising solutions are put forward through this review.

KeywordNoble Metal Catalysts Transition Metal Catalysts No Reduction Scr Carbon Monoxide
DOI10.1007/s11356-019-07469-w
Language英语
WOS KeywordBinary Metal-oxides ; Supported Iridium Catalysts ; Carbon-monoxide Oxidation ; Simulated Rotary Reactor ; Exchanged Zsm-5 Zeolites ; Activated Semi-coke ; Selective Reduction ; Nitric-oxide ; Physicochemical Properties ; Platinum-rhodium
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000519410100001
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39961
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Yuran; Zhu, Tingyu
Affiliation1.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Reg Atmospher Environm, Inst Urban Environm, Xiamen 361021, Peoples R China
Recommended Citation
GB/T 7714
Xu, Zhicheng,Li, Yuran,Lin, Yuting,et al. A review of the catalysts used in the reduction of NO by CO for gas purification[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2020,27(7):6723-6748.
APA Xu, Zhicheng,Li, Yuran,Lin, Yuting,&Zhu, Tingyu.(2020).A review of the catalysts used in the reduction of NO by CO for gas purification.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,27(7),6723-6748.
MLA Xu, Zhicheng,et al."A review of the catalysts used in the reduction of NO by CO for gas purification".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 27.7(2020):6723-6748.
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