RNF (№ 23-23-00399)
The project is aimed on developing a new research area related to the use of humins wastes as a carbon source for chemistry and chemical technology. Humins are sparingly soluble furan polymers formed in the processes of acid-catalyzed conversion of plant biomass carbohydrates (cellulose, hexose, etc.). The yield of humins in the synthesis of 5-hydroxymethylfurfural or levulinic acid can reach 10-40%. However, approaches to the efficient valorization of humins are still very rare and in initial stage of development. Efficient methods for humins valorization are necessary to increase the profitability and environmental safety of industries based on the use of plant biomass as a chemical feedstock. The high carbon content (64-67%) and almost complete absence of uncontrolled impurities of heteroatoms, except oxygen, allow to consider humins as promising renewable feedstock for production of activated carbons. In this project, applicability of humins as a renewable carbon source for production of nitrogen- and phosphorus-doped activated carbons for catalysis will be investigated for the first time. Nitrogen- and phosphorus-doped porous carbon materials are widely used as catalyst supports and catalytically active electrode materials. The aim of the project is to develop efficient methods for preparation of porous nitrogen- and phosphorus-doped carbons from humins and to evaluate applicability of these carbons as catalytically active materials for organic synthesis. Nowel heteroatom-doped activated carbons will be obtained from humins. Efficiency of these carbons as catalyst supports for palladium- and nickel-catalyzed cross-coupling reactions will be evaluated. In addition, the possibility of using these carbons as electrode materials for electrochemical activation of Ni-catalyzed cross-coupling reactions will be investigated.