Patent ID: 9637463
Date: 2017-05-02
CPC Classifications: C07D

Claim:
1. A method for producing a hydroxymethylfurfural in a gas-solid phase reactor, the method comprising: feeding solid feedstock into a gas-solid phase reactor, wherein the solid feedstock comprises biomass or sugar, or any combination thereof; feeding gaseous acid into the gas-solid phase reactor, wherein the gaseous acid has less than about 10% by weight of water; mixing the solid feedstock and the gaseous acid to form a reaction mixture; adding lithium chloride, sodium chloride, potassium chloride, magnesium chloride, calcium chloride, zinc chloride, aluminum chloride, or boron chloride, or any combination thereof, to the reaction mixture; and producing a hydroxymethylfurfural from at least a portion of the solid feedstock and at least a portion of the gaseous acid in the reaction mixture.