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Abstract <p>It is shown that twisting the channels of the honeycomb catalyst carrier can significantly increase its activity in carbon monoxide oxidation. The primary catalyst support based on α-Al<sub>2</sub>O<sub>3</sub> is fabricated using a 3D-printing technology developed by the authors. A catalytically active layer is formed on the surface of the primary support by impregnation to incipient wetness using a coating suspension containing copper, cobalt, and cerium oxides; finely dispersed γ-Al<sub>2</sub>O<sub>3</sub>; boehmite; nitric acid; and water.</p>

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Influence of Channel Geometry in Honeycomb Catalyst Carriers Fabricated by Additive Manufacturing on Carbon Monoxide Oxidation Activity

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • M. M. Sychev,
  • A. S. Dolgin,
  • O. A. Cheremisina,
  • A. Yu. Postnov,
  • E. I. Sysoev

摘要

Abstract

It is shown that twisting the channels of the honeycomb catalyst carrier can significantly increase its activity in carbon monoxide oxidation. The primary catalyst support based on α-Al2O3 is fabricated using a 3D-printing technology developed by the authors. A catalytically active layer is formed on the surface of the primary support by impregnation to incipient wetness using a coating suspension containing copper, cobalt, and cerium oxides; finely dispersed γ-Al2O3; boehmite; nitric acid; and water.