Research Progress of Metal-organic Frameworks in High-value Utilization of Biomass
Due to the consumption of fossil fuels and environmental pollution issues,biomass had attracted increasing attention as a renewable alternative fuel and chemical source of fossil raw materials.The selectivity to target products was usually low ascribing to the complex reaction pathway of biomass and platform molecules conversion,so it was urgent to develop efficient and stable catalysts.Metal-organic frame materials developed in recent years had been widely concerned because of their high specific surface area,large porosity,adjustable pore size and easy modification.The research progress of metal-organic frameworks(MOFs)materials applied in the directional catalytic conversion of biomass and platform molecules was emphatically reviewed,particularly for the progress of the hydrolysis of cellulose,glucose isomerization,the production of 5-hydroxymethylfurfural from five carbon sugars,oriented conversion of platform molecules and the depolymerization of lignin.The MOFs materials showed excellent catalytic performance,while low catalytic conversion was observed for macromolecules counterpart.Finally,the problems faced by MOFs materials in the field of biomass catalysis were summarized and their development prospects were prospected.
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