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Abstract <p>A formal kinetic study of 2-ethyl-9,10-anthraquinone hydrogenation was carried out over 3%&#xa0;Pd/НZSM-5 and 3%&#xa0;Pd–1.0Р/НZSM-5 catalysts. The qualitative and quantitative composition of the surface layer of the 3%&#xa0;Pd–1.0Р/НZSM-5 sample was determined by X-ray photoelectron spectroscopy. Based on the analysis of metal dispersion, specific activity in 2-ethyl-9,10-anthraquinone hydrogenation, and the concentration of surface Pd(0) atoms in the Pd–P catalysts, the main reasons for the modifying effect of phosphorus were elucidated.</p>

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Reasons for the Modifying Effect of Elemental Phosphorus on the Properties of Palladium Catalysts in the Hydrogenation of 2-Ethyl-9,10-anthraquinone

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • T. A. Kornaukhova,
  • L. B. Belykh,
  • E. A. Milenkaya,
  • N. I. Skripov,
  • V. V. Akimov,
  • V. L. Tauson,
  • A. A. Karacharov,
  • E. V. Tomashevich,
  • A. A. Maltsev,
  • F. K. Schmidt

摘要

Abstract

A formal kinetic study of 2-ethyl-9,10-anthraquinone hydrogenation was carried out over 3% Pd/НZSM-5 and 3% Pd–1.0Р/НZSM-5 catalysts. The qualitative and quantitative composition of the surface layer of the 3% Pd–1.0Р/НZSM-5 sample was determined by X-ray photoelectron spectroscopy. Based on the analysis of metal dispersion, specific activity in 2-ethyl-9,10-anthraquinone hydrogenation, and the concentration of surface Pd(0) atoms in the Pd–P catalysts, the main reasons for the modifying effect of phosphorus were elucidated.