Preparation of Fe<italic style="font-style: italic">x</italic>Mn10-<italic style="font-style: italic">x</italic>Oδ/3DOM Ti0.7Si0.3O2 catalysts and their catalytic performance for the simultaneous removal of PM and NO<italic style="font-style: italic">x</italic>

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

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Preparation of Fe_xMn_10-_xO_δ/3DOM Ti_0.7Si_0.3O₂ catalysts and their catalytic performance for the simultaneous removal of PM and NO_x

Updated：2026-08-24

- Preparation of Fe_xMn_10-_xO_δ/3DOM Ti_0.7Si_0.3O₂ catalysts and their catalytic performance for the simultaneous removal of PM and NO_x
- Chinese Journal of Chemical Engineering Vol. 94, Issue 6, Pages: 81-91(2026)
- Affiliations：
  
  Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China
  State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
  Department of Environmental Engineering, Hebei University of Environmental Engineering, Qinhuangdao 066102, China
- Author bio：
  
  Corresponding authors. E-mail addresses: chengying@hebuee.edu.cn(Y. Cheng)
  yuxuehua1986@163.com(X. Yu)
  zhenzhao@cup.edu.cn(Z. Zhao)
- Funds：
- DOI：
  CLC：
- Received：12 November 2025，
  
  Revised：2025-12-20，
  
  Accepted：26 December 2025，
  
  Online First：13 February 2026，
  
  Published：2026-06
- Accepted：
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Chen Xinyu, Li Jiahong, Wang Lanyi, et al. Preparation of Fe_xMn_10-_xO_δ/3DOM Ti_0.7Si_0.3O₂ catalysts and their catalytic performance for the simultaneous removal of PM and NO_x[J]. Chinese Journal of Chemical Engineering, 2026, 94(6): 81-91.
DOI：

Chen Xinyu, Li Jiahong, Wang Lanyi, et al. Preparation of Fe_xMn_10-_xO_δ/3DOM Ti_0.7Si_0.3O₂ catalysts and their catalytic performance for the simultaneous removal of PM and NO_x[J]. Chinese Journal of Chemical Engineering, 2026, 94(6): 81-91. DOI：

摘要

Abstract

Diesel engine exhaust contains nitrogen oxide (NO

) and particulate matter (PM) particles

which cause significant pollution to the environment. Therefore

effective removal of NO

and PM in diesel engine exhaust has become a current research hotspot. However

it is a challenging problem to study the simultaneous removal of NO

and PM due to the trade-off effect between NO

reduction and soot oxidation. Existing studies have shown that catalytic purification technology is one of the most effective technologies for the simultaneous removal of the above two pollutants. In this study

the Fe

10-

/3DOM Ti

0.7

0.3

catalysts were prepared by the incipient wetness impregnation method using 3DOM Ti

0.7

0.3

as the support

and the catalytic performance of the above catalysts was investigated. The experimental results showed that the prepared catalysts exhibited excellent catalytic activity. In particularly

/3DOM Ti

0.7

0.3

showed the best simultaneous elimination performance

which could achieve efficient elimination of PM and NO in a low temperature range. The catalytic reduction of NO reached 80% in the temperature range of 137- 367℃

and the peak temperature of PM combustion was 440℃. The Fe

/3DOM Ti

0.7

0.3

catalyst has an appropriate number of acid sites

sufficient reactive oxygen species and strong redox ability. Therefore

10-

/3DOM Ti

0.7

0.3

catalyst is considered as a promising catalyst.

关键词

Keywords

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⁰

Preparation of FexMn10-xOδ/3DOM Ti0.7Si0.3O2 catalysts and their catalytic performance for the simultaneous removal of PM and NOx

DOI：

摘要

Abstract

关键词

Keywords

references

Preparation of Fe_xMn_10-_xO_δ/3DOM Ti_0.7Si_0.3O₂ catalysts and their catalytic performance for the simultaneous removal of PM and NO_x