Advances on catalysts and solvents for catalytic hydrogenolysis of lignin
Biomass is a potential alternative resource for fossil fuels,and lignin is the second largest abundant reserves of biomass resource in nature.The catalytic conversion of lignin into high value-added chemicals is of great significance for the implementation of the national dual carbon strategy.Catalysts and solvents are key factors affecting the catalytic conversion of lignin.This article outlines the mechanisms and performance control laws of commonly used metals,molecular sieves,and metal oxide catalysts in the process of catalytic hydrogenation of lignin.Different solvent dispersion and hydrogen supply are compared and analyzed.Through in-situ characterization of solvent effects and simulation of solvent reaction pathways,the structure-activity relationship between catalyst structure and performance is explored,clarifying the synergistic mechanism of catalysts and solvents on lignin catalytic hydrogenation,providing a theoretical basis for the resource utilization and high-value utilization of lignin.
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