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<p>A Fe/Cr/Cu catalyst pellet was developed for the high-temperature water–gas shift reaction (HT-WGSR) to enable efficient hydrogen production from syngas derived from waste plastic gasification. The Fe/Cr/Cu catalyst powder was synthesized via a co-precipitation method and subsequently formed into pellets through compression molding. HT-WGSR performance was evaluated at CO:H<sub>2</sub>O feed ratios of 1:2–1:4 and operating temperatures of 300–400&#xa0;°C under a gas hourly space velocity of 10,000&#xa0;h<sup>−1</sup>. The highest CO conversion (84–91%) was obtained at 350 °C with a CO:H<sub>2</sub>O ratio of 1:2, while the maximum H<sub>2</sub> selectivity (0.44–0.90) was achieved at 350 °C with a CO:H<sub>2</sub>O ratio of 1:3. These results highlight the Fe/Cr/Cu catalyst pellets as promising candidates for sustainable hydrogen production in HT-WGSR applications.</p>

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Catalytic performance of the Fe/Cr/Cu pellets in the high-temperature water–gas shift reaction

  • 期刊论文

  • 发表日期：

    2025年10月31日

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  • Chang-Jun Lee,
  • Cheol-Hwi Ryu,
  • Gab-Jin Hwang

摘要

A Fe/Cr/Cu catalyst pellet was developed for the high-temperature water–gas shift reaction (HT-WGSR) to enable efficient hydrogen production from syngas derived from waste plastic gasification. The Fe/Cr/Cu catalyst powder was synthesized via a co-precipitation method and subsequently formed into pellets through compression molding. HT-WGSR performance was evaluated at CO:H2O feed ratios of 1:2–1:4 and operating temperatures of 300–400 °C under a gas hourly space velocity of 10,000 h−1. The highest CO conversion (84–91%) was obtained at 350 °C with a CO:H2O ratio of 1:2, while the maximum H2 selectivity (0.44–0.90) was achieved at 350 °C with a CO:H2O ratio of 1:3. These results highlight the Fe/Cr/Cu catalyst pellets as promising candidates for sustainable hydrogen production in HT-WGSR applications.