Facile preparation of Fe-Beta zeolite-supported transition metal oxide catalysts and their catalytic performance for the simultaneous removal of NO<sub><i>x</i></sub> and soot

Xinyu Chen; Shengran Zhou; Lanyi Wang; Chunlei Zhang; Siyu Gao; Di Yu; Ying Cheng; Xiaoqiang Fan; Xuehua Yu; Zhen Zhao

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Facile preparation of Fe-Beta zeolite-supported transition metal oxide catalysts and their catalytic performance for the simultaneous removal of NO_x and soot

Updated：2026-01-06

- Facile preparation of Fe-Beta zeolite-supported transition metal oxide catalysts and their catalytic performance for the simultaneous removal of NO_x and soot
- Chinese Journal of Chemical Engineering Vol. 76, Issue 12, Pages: 10-20(2024)
- Affiliations：
  
  1. Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University,Shenyang,China,110034
  2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, 18# Fuxue Road, Chang Ping,Beijing,China,102249
  3. Department of Environmental Engineering, Hebei University of Environmental Engineering,Qinhuangdao,China,066102
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2024
- Accepted：
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and soot[J]. 中国化学工程学报, 2024, 76(12): 10-20.
DOI：

and soot[J]. 中国化学工程学报, 2024, 76(12): 10-20. DOI：

摘要

Abstract

Diesel engine exhaust comprises nitrogen oxides (NO

) and soot particles

which cause serious air pollution. However

owing to the contradictory nature of NO

reduction and soot oxidation

a trade-off exists in the simultaneous removal of NO

and soot. Consequently

catalytic technology has become a hot research topic. This study prepared MO

/Fe-Beta (M = Fe

Cu) catalysts through incipient wetness impregnation using Fe-Beta as the support and explored the catalytic performance of the above catalysts. The results exhibited the good performance of the prepared catalysts. The introduction of Mn resulted in a lower peak temperature of soot combustion for the catalyst

and slightly decreased deNO

performance of Fe-Beta. The soot combustion temperature was as low as 422 ℃

and the temperature window for 80% NO conversion was 164-423 ℃. The interaction between MnO

and zeolite can regulate the acid sites and produce sufficient active oxygen species for the catalyst. The catalytic activity of the MnO

/Fe-Beta catalyst is due to its strong redox property

the appropriate number of acid sites

and sufficient number of active oxygen species. In addition

the catalyst had good stability and water and sulfur resistance

therefore it had great potential for future application in the simultaneous removal of

and soot from diesel engine exhaust.

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⁰

Facile preparation of Fe-Beta zeolite-supported transition metal oxide catalysts and their catalytic performance for the simultaneous removal of NOx and soot

DOI：

摘要

Abstract

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Facile preparation of Fe-Beta zeolite-supported transition metal oxide catalysts and their catalytic performance for the simultaneous removal of NO_x and soot