Process for converting lignins into a high octane blending component
OwnerJoseph S. Shabtai, Wlodzimierz W. Zmierczak +2inventors
InventorsJoseph S. Shabtai, Wlodzimierz W. Zmierczak, Esteban Chornet, David Johnson
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Abstract
The invention includes a process for converting biomass into C7-C10 alkylbenzenes useful as blending components for petroleum or petroleum derived fuels. The process includes a base catalyzed depolymerization of lignin within the biomass, followed by hydroprocessing of the depolymerized lignin to C7-C10 alkylbenzenes. The C7-C10 alkylbenzenes are useful for enhancing the octane level of petroleum or petroleum-derived fuels, such as gasoline. In addition, the C7-C10 alkylbenzenes are useful as intermediates in the production of numerous organic chemicals.
Claims50
A process for converting a biomass into a blending component for a petroleum-derived fuel comprising:
- (a) extracting a lignin-containing fraction in a reaction medium from the biomass to provide a lignin feed material;
- (b) depolymerizing the lignin feed material in an aqueous solvent to provide a first composition comprising a depolymerized lignin;
- and
- (c) hydroprocessing the first composition to provide a second composition comprising an aromatic hydrocarbon, wherein the second composition provides a blending component for a petroleum or petroleum-derived fuel.
A biomass-derived blending component for a petroleum or petroleum-derived fuel comprising about 70% to about 95% C7 to C10alkylbenzene.
A process for converting a biomass into a blending component comprising a monocyclic aromatic hydrocarbon-rich composition for petroleum-derived fuels comprising:
- a) dispersing a lignin-containing feedstock material in an aqueous reaction medium to provide a dispersed lignin composition;
- b) depolymerizing the dispersed lignin composition to provide a depolymerized lignin product;
- and
- c) hydroprocessing the depolymerized lignin product to produce a blending component comprising monocyclic aromatic hydrocarbons.
A process for producing a BTX aromatic comprising:
- a) extracting lignin-containing material from a biomass;
- b) dispersing the lignin-containing material in a reaction medium;
- c) subjecting the dispersed lignin-containing material to an alkali hydroxide solvent to produce a first composition comprising a depolymerized lignin;
- and
- d) hydroprocessing the first composition to provide a second composition comprising benzene, toluene, and xylenes, wherein the benzene, toluene, and xylenes are intermediates in the production of other organic chemicals.
A process for converting a biomass into a blending component for a petroleum-derived fuel comprising:
- a) extracting lignin-containing material from the biomass;
- b) dispersing the lignin-containing material in a reaction medium;
- c) subjecting the dispersed lignin-containing material to an alkali hydroxide solution to produce a first composition comprising a depolymerized lignin;
- d) hydrodeoxygenating and hydrocracking the first composition to produce a second composition comprising C7 to C10 alkylbenzenes, wherein the second composition provides a blending component for a petroleum or petroleum-derived fuel.
Dependencies are inferred from the claim text.