Preparation and application of UiO-66(Zr) and its derivatives as catalysts in lignocellulosic biomass conversion

Abstract

As biomass is a crucial raw materials for the chemical industry, its conversion into various chemicals and biofuels has been considered to be an effective way to solve the resource and energy crisis. Based on catalyst design and selection, catalytic conversions have garnered widespread attention, especially UiO-66-type MOFs, which exhibit excellent stability, high porosity, and tunable structures in biomass conversion. What is even more remarkable is that through surface modification or pyrolysis, UiO-66 with functional group modifications, metal loading, supported on functional substrates, or conversion to ZrO2, exhibit significantly enhanced catalytic activity. Therefore, based on the outstanding progress made by researchers in the catalytic conversion of biomass using UiO-66 and its derivatives, this paper attempts to summarize the preparation methods of UiO-66 and its derivatives for biomass conversion in recent years. It also aims to summarize the pathways and mechanisms of UiO-66 and its derivatives in catalyzing the production of 5-hydroxymethylfurfural (5-HMF), γ-Valerolactone (GVL), furfuryl alcohol (FOL), cyclopentanone (CPO), and biofuels from biomass. Finally, it presents challenges and suggestions for the future development of UiO-66 and its derivatives in biomass conversion.