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<p>To verify the superiority of palladium-containing FAU zeolite (Pd@FAU) catalysts, structures and especially such performances of catalytic hydrogenation property, water uptake capacity, and thermal stability of both the Pd@FAU catalysts and the traditional carbon-supported Pd (Pd/C) catalysts are studied. Among these two catalysts, the Pd@FAU catalysts with a diameter of 1.0&#xa0;μm have a smaller Pd particles size and a higher Pd particles dispersion as well as a non-flammable support, resulting in this Pd@FAU catalyst with 2.0 wt% of Pd can replace the traditional Pd/C catalyst (with 5.0 wt% of Pd) perfectly, can save more than 60 wt% of the metal Pd, can absorb more than twice of the water, and can avoid the combustion of the catalyst. This work suggests that the Pd@FAU catalysts are more suitable to select as a Pd-containing catalyst for an irreversible hydrogen getter for removal of undesirable hydrogen in an enclosed environment.</p> Graphical abstract <p></p>

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A palladium-containing zeolite catalyst for removal of undesirable hydrogen in enclosed environments

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Wenchuan Wang,
  • Yueyue Sun,
  • Man Ge,
  • Xianping Xia

摘要

To verify the superiority of palladium-containing FAU zeolite (Pd@FAU) catalysts, structures and especially such performances of catalytic hydrogenation property, water uptake capacity, and thermal stability of both the Pd@FAU catalysts and the traditional carbon-supported Pd (Pd/C) catalysts are studied. Among these two catalysts, the Pd@FAU catalysts with a diameter of 1.0 μm have a smaller Pd particles size and a higher Pd particles dispersion as well as a non-flammable support, resulting in this Pd@FAU catalyst with 2.0 wt% of Pd can replace the traditional Pd/C catalyst (with 5.0 wt% of Pd) perfectly, can save more than 60 wt% of the metal Pd, can absorb more than twice of the water, and can avoid the combustion of the catalyst. This work suggests that the Pd@FAU catalysts are more suitable to select as a Pd-containing catalyst for an irreversible hydrogen getter for removal of undesirable hydrogen in an enclosed environment.

Graphical abstract