An ionic liquid functionalized MOF catalyst, preparation thereof and application thereof in catalytic synthesis of adipic acid
By functionalizing MOF catalysts with ionic liquids, the problems of high catalyst cost, high corrosivity and poor stability in the existing adipic acid preparation process have been solved, realizing efficient and sustainable adipic acid production.
CN117884185BActive Publication Date: 2026-07-03HEBEI UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HEBEI UNIV OF TECH
- Filing Date
- 2024-01-11
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
The existing technology for preparing adipic acid has problems such as high cost due to the use of precious metal catalysts, high corrosiveness of highly corrosive substances, poor stability, difficulty in reusing, and difficulty in catalyst recycling.
Method used
A highly efficient heterogeneous catalyst was prepared by using an ionic liquid-functionalized metal-organic framework (MOF) catalyst to achieve the hydrodeoxygenation reaction of 2,5-tetrahydrofurandicarboxylic acid through the synergistic effect of Lewis acid sites and Lewis base sites.
Benefits of technology
The catalyst achieved a high yield of nearly 100% for the production of adipic acid. It exhibits high activity and stability, significantly reduces costs, and has important industrial application value.
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Abstract
This invention relates to an ionic liquid functionalized MOF catalyst, its preparation, and its application in the catalytic synthesis of adipic acid. The catalyst is a supported catalyst, comprising an ionic liquid and a support; the mass ratio of the ionic liquid to the support is 1-2.5. The method for catalytic synthesis of adipic acid includes the following steps: adding THFDCA, the catalyst, and a solvent to a reactor, reacting at 150-190°C, under 2-4 MPa hydrogen gas, and with mechanical stirring for 1-3 hours, directly yielding the product AA in a one-step reaction. This invention solves the problems of high cost of precious metal catalysts, high HI corrosivity, poor stability, and difficulty in reusing in the THFDCA hydrodeoxygenation to AA synthesis reaction system, achieving green and sustainable production of AA.
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