The effect of hydrothermal aging on Mn2O3/Cu-SSZ-39 composite catalysts for selective catalytic reduction of NOx by NH3

Xie, Mingyu; Zeng, Yutian; Cui, Kai; Su, Wanting; Hao, Shijie; Zhang, Yun; Li, Zhenguo; Jing, Guohua; Zhao, Huawang

doi:10.1016/j.cattod.2024.114557

Catalysis Today

2024

DOI: 10.1016/j.cattod.2024.114557

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The effect of hydrothermal aging on Mn2O3/Cu-SSZ-39 composite catalysts for selective catalytic reduction of NOx by NH3

Mingyu Xie,

Yutian Zeng,

Kai Cui

et al.

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Cited by 2 publications

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Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Wang,

Zhu,

Zhao

et al. 2024

J Chinese Chemical Soc

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The development of Cu‐SSZ‐13 represents a significant breakthrough in the field of NOx removal from mobile exhaust, demonstrating excellent selective catalytic reduction (SCR) activity across a broad temperature range (200–500°C). However, the limited reactivity of Cu‐SSZ‐13 at temperatures below 200°C poses a challenge for the removal of NOx emitted during vehicle cold starts. To stimulate new efforts to enhance low‐temperature SCR performance, this review provides a fundamental understanding of the nature of Cu‐SSZ‐13 in catalyzing the SCR reaction. The structures, coordination environments, and oxidation states of Cu2+ during the SCR reaction, as well as the redox cycle pathway of Cu2+ ions and the characteristics of the rate‐determining step, were discussed. Based on these insights, several strategies for improving the low‐temperature activity of Cu‐SSZ‐13 are proposed. Finally, the review offers a perspective on the future of low‐temperature SCR of NOx over Cu‐SSZ‐13.

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Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Wang,

Zhu,

Zhao

et al. 2024

J Chinese Chemical Soc

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Zeolite-based materials eliminating nitrogen oxides (NO_x) and volatile organic compounds (VOCs): advances and future perspectives

Zhu,

Xin,

et al. 2024

Catal. Sci. Technol.

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The effect of hydrothermal aging on Mn2O3/Cu-SSZ-39 composite catalysts for selective catalytic reduction of NOx by NH3

Cited by 2 publications

References 38 publications

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Zeolite-based materials eliminating nitrogen oxides (NO_x) and volatile organic compounds (VOCs): advances and future perspectives

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The effect of hydrothermal aging on Mn2O3/Cu-SSZ-39 composite catalysts for selective catalytic reduction of NOx by NH3

Cited by 2 publications

References 38 publications

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NOx by ammonia

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NOx by ammonia

Zeolite-based materials eliminating nitrogen oxides (NOx) and volatile organic compounds (VOCs): advances and future perspectives

Contact Info

Product

Resources

About

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Basic understanding of Cu‐SSZ‐13 in catalyzing low‐temperature selective catalytic reduction of NO_x by ammonia

Zeolite-based materials eliminating nitrogen oxides (NO_x) and volatile organic compounds (VOCs): advances and future perspectives