Target-oriented water–gas shift reactions with customized reaction conditions and catalysts

Yeol Lim Lee, Kyoung Jin Kim, Ga Ram Hong, Hyun Seog Roh

Research output: Contribution to journalReview articlepeer-review


The conventional hydrogen production process from natural gas includes a water–gas shift reaction (WGSR) as a core step to remove carbon monoxide and produce additional hydrogen. The WGSR can be further applied to the upcycling of other types of synthesis gases, such as biomass, municipal solid waste, and coal-derived synthesis gas. We have focused on the reaction conditions and catalysts for the WGSR dealing with diverse types of feed gases for the last 10 years to understand the development progress. Based on the categorization (by the type of feed gas), the tested catalysts, capacity, temperature, feed gas composition, steam-to-carbon ratio, and the performance of the catalyst are carefully compared. This review provides insight into the current research trends and perspectives for target-oriented WGSR in each type of feed gas, which can give clues for customization.

Original languageEnglish
Article number141422
JournalChemical Engineering Journal
Publication statusPublished - 2023 Feb 15

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIT) (No. 2020R1A2B5B01002346 , No. 2022R1A4A1029632 , and No. 2021R1C1C2005231 ).

Publisher Copyright:
© 2023

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering


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