Abstract: Biomass is a kind of renewable resource in the form of carbon source, and its platform compounds and derivatives can be used to upgrade energy and fine chemical products. Heterogeneous catalysts play an important role in the conversion of biomass resources, many of which involve nano-catalysts and monatomic catalysts. Because of the high oxygen content of lignocellulose, it can not be directly used as industrial raw material, so reduction reaction is needed to reduce its oxygen content. Hydrogenation is an important method to decrease the ratio of O/C and increase the ratio of H/C in lignocellulosic molecules. The application of monatomic catalysts in selective hydrogenation of furans, unsaturated aldehydes and lignin platform compounds would be comprehensively discussed.

Key words: single atom catalyst, lignocellulose, double bond, selective hydrogenation