A ruthenium-based catalyst, its preparation method and use
By modifying the region near the active center of the Ru-based catalyst with an alkali metal to create a local alkaline environment, the problem of CC coupling in the carbon dioxide hydrogenation reaction of Ru-based catalysts was solved, achieving efficient generation of multi-carbon hydrocarbons and catalyst stability.
CN122399798APending Publication Date: 2026-07-17CHAMBROAD CHEM IND RES INST CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHAMBROAD CHEM IND RES INST CO LTD
- Filing Date
- 2026-05-11
- Publication Date
- 2026-07-17
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Figure CN122399798A_ABST
Abstract
本申请公开了一种钌基催化剂及其制备方法和应用，所述钌基催化剂包括载体、活性组分钌与碱金属。本申请通过在Ru活性组分负载完成后引入碱金属调控组分，采用后修饰方式在Ru活性中心及其邻近区域构建局域碱性调控环境，在不显著遮蔽Ru活性位点的前提下，实现了对催化剂表面微观反应环境的精细调控。该结构有利于增强二氧化碳的吸附与活化能力，并稳定反应过程中形成的关键中间体，从而有效促进二氧化碳加氢反应中C‑C偶联过程，提高C2+碳氢化合物的选择性。
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