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AssigneeTianjin University
InventorsYongdan LI, Rui MA, Xiaolei MA, Wenyue HAO
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A subgroup VI element to prepare a catalyst for the production of organic chemicals and fuels from lignin with the involvement of solvent molecules. The catalytic reaction use a catalyst composed of a molybdenum or tungsten compound as the active phase, with mixing a kind of lignin, a catalyst, and a reactive solvent. An inert or reductive gas such as H2, N2 or Ar is used to purge or fill the reaction vessel. The temperature is above 200° C., the reaction time is sufficient. The liquid product is separated and analyzed; a catalytic process with a very high product yield, up to 90% if calculated accounting the parts from lignin of the product molecules, or up to over 100% if calculated as the mass products. The product includes aromatic compounds, esters, alcohols, monophenols and benzyl alcohols in different ratios according to the composition, the solvent and the other reaction conditions.
The characterization of the application of a catalyst prepared with a subgroup VI element for the production of organic chemicals and fuels from lignin is that the lignin, catalyst and solvent were mixed in the sealed reactor. Reductant or inert gas was used to purge the reactor and then the temperature was increased above 200° C. Finally, liquid products were obtained after sufficient reaction time. The solvents employed were deionized water, ethanol or a mixture of water and ethanol with any proportion.
Dependencies are inferred from the claim text.