A ruthenium-based catalyst for the production of gamma-valerolactone by the hydrogenation of levulinic acid
By preparing a Ru catalyst with a porous nanobox structure, the problems of insufficient activity and stability of supported catalysts were solved, and an efficient and stable hydrogenation reaction of levulinic acid to prepare γ-valerol was achieved, thus improving the catalyst's lifespan and activity.
CN116251588BActive Publication Date: 2026-07-14BEIJING SINGLE ATOM SITE CATALYSIS TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING SINGLE ATOM SITE CATALYSIS TECH CO LTD
- Filing Date
- 2021-12-09
- Publication Date
- 2026-07-14
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Figure CN116251588B_ABST
Abstract
The present application relates to a kind of ruthenium-based catalyst for preparing gamma-valerolactone by the hydrogenation of levulinic acid.The catalyst is composed of a porous nanobox and Ru nanoparticles on the surface of nanobox, the nanobox is square or substantially square box structure, the side length of box is 20-100nm, and part or all Ru nanoparticles are embedded in the hole position.The preparation method of the catalyst and its application are also introduced.Compared with prior art, the material of the present application shows high activity, high selectivity and high stability in the reaction of preparing gamma-valerolactone (GVL) by the hydrogenation of levulinic acid (LA), and has great application potential in the field of biomass hydrogenation.
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