Research progress on titanium dioxide based catalysts for catalytic oxidation of formaldehyde

被引：0

作者：

Cui W. ^{[1
,2
]}

Ding G. ^{[3
]}

Tan N. ^{[2
]}

机构：

[1] The Key Laboratory of Chemical Cleaner Production Technology of Jilin Province, Jilin Institute of Chemical Technology, Jilin, Jilin

[2] College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical and Technology, Jilin, Jilin

[3] Ethylene Glycol Plant of Jilin Petrochemical Company, PetroChina, Jilin, Jilin

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 12期

关键词：

activity; catalyst; formaldehyde; titanium dioxide based catalysts;

D O I：

10.16085/j.issn.1000-6613.2022-0681

中图分类号：

学科分类号：

摘要：

Formaldehyde (HCHO) is a primary indoor air pollutant with high carcinogenicity and mutagenicity. Catalytic oxidation is an ideal and effective method for indoor HCHO removal. Titanium dioxide as a carrier to support noble metal catalyst has showed excellent catalytic performance in the catalytic oxidation of formaldehyde. This review introduces recent progress of titanium dioxide based catalysts for catalytic oxidation of HCHO, summarizes the adsorption mechanisms of titanium dioxide, and analyzes the effects of titanium dioxide crystal structure, surface morphology and microstructure, surface active oxygen species and reducibility on the catalytic oxidation performance of HCHO with the focus on the relationship between the chemical and structural properties of catalysts and HCHO oxidation activity. Finally, the future research directions of titanium dioxide based catalysts in HCHO catalytic oxidation are given, namely, to further enhance the catalytic activity by reasonably designing various defects and crystal surface exposure of TiO2, to improve the dispersion of precious metals and atomic utilization efficiency, and to speed up the designing and practical application of monolithic catalyst while maintaining the high activity and stability of the catalyst. © 2022 Chemical Industry Press. All rights reserved.

引用

页码：6310 / 6318

页数：8

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