Insight into the effects of Cu2+ ions and CuO species in Cu-SSZ-13 catalysts for selective catalytic reduction of NO by NH3

Xiaofeng Wang,Yang Xu,Mengyue Qin,Zhe Zhao,Xinfei Fan,Qingbo Li

Journal of Colloid and Interface Science（2022）

引用 32|浏览5

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摘要

•Cu precursors affected the location of the Cu2+ ions in the Cu-SSZ-13 catalysts.•The Cu2+ ions located at six-member rings showed stronger charge offset.•CuO increased after hydrothermal treatment to promote the NH3-SCR reaction.•SCR mechanism changed for Fresh-II catalyst after hydrothermal treatment.

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关键词

NH3-SCR,Cu-SSZ-13,Cu precursors,Cu species,Hydrothermal treatment

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