Issue 27, 2024

Research progress on the preparation of transition metal-modified zeolite catalysts and their catalytic performance for the purification of engine exhausts

Abstract

Engine exhaust pollutants have caused serious environmental pollution and harm to human health. As the most effective and economical technology to control pollutants in engine exhaust, catalytic purification technology has become a focus of current research. The development of low-cost and efficient catalysts is the decisive factor for the widespread application of catalytic purification technology. In recent years, transition metal-modified zeolite catalysts have been widely used to eliminate engine exhaust pollutants because of their low cost, high activity, and high stability. This article introduces the preparation methods for a series of transition metal-modified zeolites, such as Fe-modified, Cu-modified, Mn-modified, Ti-modified, Co-modified, and bimetal-modified zeolites. Meanwhile, the research progress of transition metal-modified zeolite catalysts for removing pollutants, such as nitrogen oxides, soot particles, volatile organic compounds, carbon monoxide, methane, etc., has also been summarized in detail. Finally, the problems and future development tendencies of transition metal-modified zeolite catalysts for the catalytic elimination of engine exhaust pollutants have been proposed.

Graphical abstract: Research progress on the preparation of transition metal-modified zeolite catalysts and their catalytic performance for the purification of engine exhausts

Article information

Article type
Review Article
Submitted
10 ኤፕሪ 2024
Accepted
30 ሜይ 2024
First published
06 ጁን 2024

J. Mater. Chem. A, 2024,12, 16293-16328

Research progress on the preparation of transition metal-modified zeolite catalysts and their catalytic performance for the purification of engine exhausts

X. Chen, S. Zhou, X. Zhang, S. Chen, L. Wang, C. Zhang, S. Gao, D. Yu, X. Fan, Y. Cheng, Y. Zhang, X. Yu and Z. Zhao, J. Mater. Chem. A, 2024, 12, 16293 DOI: 10.1039/D4TA02492C

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