Enhancement of high-temperature selectivity on Cu-SSZ-13 towards NH3-SCR reaction from highly dispersed ZrO2

Bo Peng,Kenneth G. Rappé,Yanran Cui,Feng Gao,János Szanyi,Matthew J. Olszta,Eric D. Walter,Yong Wang,Jamie D. Holladay, Randal A. Goffe

Applied Catalysis B: Environmental（2020）

引用 43|浏览10

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摘要

•Decoration with highly dispersed ZrO2 improves high temperature activity and durability of Cu-SSZ-13.•ZrO2 improves the selective use of NH3 for SCR versus oxidation by O2.•ZrO2 forms solid solution with CuO passivation its NH3 oxidation activity and preventing further damage to the zeolite.•A high dispersion of ZrO2 on Cu-SSZ-13 maximizes its ability to selectively bind CuO.

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关键词

Selective catalytic reduction,Cu-SSZ-13,ZrO2,Parasitic NH3 oxidation,Binary catalyst

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