Method of preparing a synthetic fuel from coal
AssigneeOndeo Nalco Company
InventorsDonald E. Govoni, Ronald V. Davis
Life of this patent
Estimating the term…
Abstract
A method of preparing a synthetic fuel from coal comprising reacting the coal with a polymer composition comprising an aqueous solution or an aqueous emulsion of one or more reactive polymers, the reactive polymers selected from the group consisting of ethylene/vinyl acetate copolymers, ethylene/vinyl alcohol copolymers, poly(acrylic acid), poly(vinyl alcohol), vinyl alcohol/vinyl acetate copolymers, poly(vinyl acetate), vinyl acetate/acrylic acid copolymers, poly(vinyl acetate/acrylic acid/ethylene), acrylic acid/acrylamide copolymers and poly(acrylamide).
Claims5
A method of preparing a synthetic fuel from coal comprising coal with a polymer composition comprising (a) an aqueous solution or an aqueous emulsion of one or more reactive polymers, the reactive polymers selected from the group consisting of ethylene/vinyl acetate copolymers, ethylene/vinyl alcohol copolymers, poly(acrylic acid), poly(vinyl alcohol), vinyl alcohol/vinyl acetate copolymers, poly(vinyl acetate), vinyl acetate/acrylic acid copolymers, poly(vinyl acetate/acrylic acid/ethylene), acrylic acid/acrylamide copolymers and poly(acrylamide) and (b) a diluent selected from glycerine, diethylene glycol and propylene glycol and reacting the said coal and polymer mixture by thoroughly mixing said mixture in a mill.
Dependencies are inferred from the claim text.