Preparation method and application of lignin ligand hexahedral iron-based catalyst

The invention discloses a preparation method and application of a lignin ligand hexahedral iron-based catalyst. Under an alkaline condition, lignin is subjected to three steps of surface functional group modification, metal coordination and carbonization to obtain the lignin ligand hexahedral iron-based catalyst. The material has a metal-organic framework (MOF)-like structure, is a hexahedral iron-based catalyst, and has the advantages of large specific surface area, strong stability and high reaction activity. The main raw material lignin for preparing the material is rich in source, the production cost can be remarkably reduced, and the material has excellent social and economic benefits; and the material also has good catalytic hydrogenation capability and has good application prospectsin the fields of water electrolysis, catalytic hydrogenation and the like. 本发明公开一种木质素配体六面体铁基催化剂的制备方法及其应用。在碱性条件下，将木质素通过表面官能团修饰-金属配位-炭化这三步后即可得到木质素配体六面体铁基催化剂。该材料具有类金属-有机框架（MOF）结构，是呈六面体的铁基催化剂，其比表面积大，具有很强的稳定性以及高反应活性。制备该材料的主要原料木质素