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

doi:10.1016/j.jiec.2022.08.041

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

Department of Chemical Engineering

Yonsei University Mirae Campus
Kyungnam University
Hanyang University
Keimyung University

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

To elucidate the effect of CeO₂/ZrO₂ ratio on the sulfur-tolerance in high temperature shift using waste derived synthesis gas, the Ce/Zr ratio in Pt/Ce_xZr_1-_xO₂ catalysts was systematically changed. Pt/Ce_xZr_1-_xO₂ catalysts were applied to the high temperature shift reaction with 500 ppm H₂S. In the presence of H₂S, the catalysts were deactivated with time on stream due to the poisioning of H₂S. Sulfur-tolerance in high temperature shift activity depended upon the oxygen storage capacity of the catalysts. The regeneration rate of the catalysts was also related with the oxygen storage capacity. In addition, the Pt dispersion matched the oxygen storage capacity trend. The oxygen storage capacity is a main function to determine the sulfur tolerance in high temperature shift activity compared to the dispersion of Pt.

Original language	English
Pages (from-to)	537-543
Number of pages	7
Journal	Journal of Industrial and Engineering Chemistry
Volume	115
DOIs	https://doi.org/10.1016/j.jiec.2022.08.041
State	Published - 25 Nov 2022

Keywords

CeO/ZrO ratio
High temperature shift activity
Oxygen storage capacity
Sulfur poisoning
Water gas shift

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10.1016/j.jiec.2022.08.041

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

abstract = "To elucidate the effect of CeO2/ZrO2 ratio on the sulfur-tolerance in high temperature shift using waste derived synthesis gas, the Ce/Zr ratio in Pt/CexZr1-xO2 catalysts was systematically changed. Pt/CexZr1-xO2 catalysts were applied to the high temperature shift reaction with 500 ppm H2S. In the presence of H2S, the catalysts were deactivated with time on stream due to the poisioning of H2S. Sulfur-tolerance in high temperature shift activity depended upon the oxygen storage capacity of the catalysts. The regeneration rate of the catalysts was also related with the oxygen storage capacity. In addition, the Pt dispersion matched the oxygen storage capacity trend. The oxygen storage capacity is a main function to determine the sulfur tolerance in high temperature shift activity compared to the dispersion of Pt.",

keywords = "CeO/ZrO ratio, High temperature shift activity, Oxygen storage capacity, Sulfur poisoning, Water gas shift",

author = "Kim, \{Kyoung Jin\} and Jeon, \{Kyung Won\} and Hong, \{Ga Ram\} and Jeon, \{Byong Hun\} and \{Wook Bae\}, Jong and Jang, \{Won Jun\} and Lee, \{Yeol Lim\} and Roh, \{Hyun Seog\}",

note = "Publisher Copyright: {\textcopyright} 2022 The Korean Society of Industrial and Engineering Chemistry",

year = "2022",

month = nov,

day = "25",

doi = "10.1016/j.jiec.2022.08.041",

language = "English",

volume = "115",

pages = "537--543",

journal = "Journal of Industrial and Engineering Chemistry",

issn = "1226-086X",

publisher = "Korean Society of Industrial Engineering Chemistry",

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T1 - Elucidating the effect of Ce/Zr ratio on high temperature shift activity with sulfur poisoning

AU - Kim, Kyoung Jin

AU - Jeon, Kyung Won

AU - Hong, Ga Ram

AU - Jeon, Byong Hun

AU - Wook Bae, Jong

AU - Jang, Won Jun

AU - Lee, Yeol Lim

AU - Roh, Hyun Seog

PY - 2022/11/25

Y1 - 2022/11/25

N2 - To elucidate the effect of CeO2/ZrO2 ratio on the sulfur-tolerance in high temperature shift using waste derived synthesis gas, the Ce/Zr ratio in Pt/CexZr1-xO2 catalysts was systematically changed. Pt/CexZr1-xO2 catalysts were applied to the high temperature shift reaction with 500 ppm H2S. In the presence of H2S, the catalysts were deactivated with time on stream due to the poisioning of H2S. Sulfur-tolerance in high temperature shift activity depended upon the oxygen storage capacity of the catalysts. The regeneration rate of the catalysts was also related with the oxygen storage capacity. In addition, the Pt dispersion matched the oxygen storage capacity trend. The oxygen storage capacity is a main function to determine the sulfur tolerance in high temperature shift activity compared to the dispersion of Pt.

AB - To elucidate the effect of CeO2/ZrO2 ratio on the sulfur-tolerance in high temperature shift using waste derived synthesis gas, the Ce/Zr ratio in Pt/CexZr1-xO2 catalysts was systematically changed. Pt/CexZr1-xO2 catalysts were applied to the high temperature shift reaction with 500 ppm H2S. In the presence of H2S, the catalysts were deactivated with time on stream due to the poisioning of H2S. Sulfur-tolerance in high temperature shift activity depended upon the oxygen storage capacity of the catalysts. The regeneration rate of the catalysts was also related with the oxygen storage capacity. In addition, the Pt dispersion matched the oxygen storage capacity trend. The oxygen storage capacity is a main function to determine the sulfur tolerance in high temperature shift activity compared to the dispersion of Pt.

KW - CeO/ZrO ratio

KW - High temperature shift activity

KW - Oxygen storage capacity

KW - Sulfur poisoning

KW - Water gas shift

UR - https://www.scopus.com/pages/publications/85137663231

U2 - 10.1016/j.jiec.2022.08.041

DO - 10.1016/j.jiec.2022.08.041

M3 - Article

AN - SCOPUS:85137663231

SN - 1226-086X

VL - 115

SP - 537

EP - 543

JO - Journal of Industrial and Engineering Chemistry

JF - Journal of Industrial and Engineering Chemistry

ER -

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

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Keywords

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