催化剂及其制备方法、合成内酰胺的方法

By preparing a catalyst with a porous structure and two active centers of heteropolyacid and transition metal, and using CO2 as a raw material to synthesize lactams, the problems of low catalytic activity and low conversion rate were solved, and efficient lactam synthesis and CO2 resource utilization were realized.

CN118002198BActive Publication Date: 2026-07-17CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEMICAL CORP
Filing Date
2022-10-31
Publication Date
2026-07-17

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Abstract

本发明涉及催化技术领域，公开了一种催化剂及其制备方法、合成内酰胺的方法。所述催化剂包含多孔载体和负载于多孔载体上的活性组分；其中，所述活性组分为含有杂多酸和过渡金属的双活性中心；所述杂多酸分布于所述载体的多孔内，所述过渡金属分布于所述载体的表面。该催化剂为具有多孔结构，且孔内为杂多酸，表面为过渡金属的特定分布形式的双活性中心催化剂，所述双活性中心满足上述特定的分布形式，使得所述催化剂具有较高的催化活性。
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