一种甲基丙烯醛制备异丁醚的方法及金属催化剂的制备方法
By using ZSM-5 molecular sieve-supported non-precious metal catalysts, the problem of high cost of precious metal catalysts has been solved, and efficient, low-cost continuous production of isobutyl ether from methacrolein has been achieved, which is suitable for industrial applications.
CN117658782BActive Publication Date: 2026-07-17DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
- Filing Date
- 2022-08-24
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies use expensive precious metal catalysts, which limit the industrial application of isobutyl ether preparation from methacrolein. Furthermore, the numerous reaction steps result in high equipment investment and maintenance costs.
Method used
By using ZSM-5 molecular sieves to support non-precious metal catalysts such as Ni, Cu, and Fe, and through reasonable design and optimization of reaction conditions, hydrogenation coupled etherification reaction is achieved, and isobutyl ether is continuously produced using a fixed-bed reactor.
Benefits of technology
It reduces catalyst costs, improves reaction activity and selectivity, and enables efficient and continuous production of isobutyl ether, making it suitable for industrial applications.
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Abstract
本申请公开了一种甲基丙烯醛制备异丁醚的方法及金属催化剂的制备方法，包括以下步骤：将催化剂预处理后，与甲基丙烯醛和氢气接触，反应，生成异丁醚。本申请通过对催化剂制备方法的优化，不仅大幅提高了催化剂的活性及选择性，同时使用非贵金属Ni替代贵金属Pt、Pd，有效地降低了催化剂的生产成本，为实现大规模工业应用提供了基础。此种生产方法采用固定床反应器，以氢气作为还原剂实现了无溶剂条件下异丁醚的连续生产。其中金属Ni负载在低硅铝比催化剂上异丁醚的收率为90％，且该催化剂表现出极高的稳定性。
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