Elucidating the effect of Ce/Zr ratio on high temperature shift activity with sulfur poisoning

Kyoung-Jin Kim,Kyung-Won Jeon,Ga-Ram Hong,Byong-Hun Jeon,Jong Wook Bae,Won-Jun Jang,Yeol-Lim Lee,Hyun-Seog Roh

Journal of Industrial and Engineering Chemistry（2022）

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摘要

•Ce/Zr ratio was systematically changed to see the sulfur-tolerance over Pt/CexZr1-xO2 in high temperature shift activity.•Among Pt/CexZr1-xO2 catalysts, Pt/CeO2 exhibited the highest sulfur tolerance.•Sulfur-tolerance depended upon the oxygen storage capacity of the catalysts in high temperature shift.•There was a strong relationship between oxygen storage capacity and regeneration rate.

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关键词

CeO2/ZrO2 ratio,Oxygen storage capacity,Water gas shift,High temperature shift activity,Sulfur poisoning

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