一种改性碳负载钌基催化剂的制备及其催化合成戊二胺的应用
By modifying carbon-supported ruthenium-based catalysts with rare earth metals, the problem of easy deactivation of existing catalysts under high temperature, high pressure and acidic conditions has been solved, and the selectivity of pentanediamine and the stability of the catalyst have been improved, which has good prospects for industrial application.
CN118079905BActive Publication Date: 2026-07-17龙子湖新能源实验室 +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 龙子湖新能源实验室
- Filing Date
- 2024-02-29
- Publication Date
- 2026-07-17
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Figure CN118079905B_ABST
Abstract
本发明公开了一种改性碳负载钌基催化剂的制备及其催化合成戊二胺的应用，多相化学催化赖氨酸脱羧制戊二胺备受关注，已报道的分子筛限域催化剂具有较高的戊二胺选择性，但催化剂活性较差无法工业化使用；碳基钌催化剂结构较为稳定，但其活性仍然较低。本发明通过稀土金属及高温焙烧的方式对碳基钌催化剂进行改性，制备出优良性能碳基钌催化剂。在赖氨酸脱羧制戊二胺反应中，与不改性碳基钌催化剂相比，改性碳基钌催化剂戊二胺的选择性有了明显的提升。这为化学法赖氨酸脱羧产戊二胺提供了新的工业化机会，具有良好的工业应用前景。
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