Reactive Separation To Upgrade Bioprocess Intermediates To Higher Value Liquid Fuels or Chemicals
First Claim
1. A chemical conversion process that converts a bioprocess output stream to higher-valve liquids, the process comprising:
- introducing the bioprocess output stream into a reactive separation unit, the bioprocess output stream comprising at least one component selected from the group consisting of a hydrocarbon product, an oxygenated hydrocarbon product, and mixtures thereof;
introducing a second stream into the reactive separation unit, the second stream comprising at least one component selected from the group consisting of carbon monoxide, hydrogen, syngas, alcohols, oxygenated hydrocarbons, and mixtures thereof;
combining the bioprocess output stream and the second stream; and
subjecting the combined streams to reactive separation to produce at least one product selected from the group consisting of higher alcohols, higher aliphatic hydrocarbons, and mixtures thereof,thereby converting at least a portion of the bioprocess output stream to higher value liquid fuels or chemicals by reaction and separation of selected size fractions or boiling point product fractions of the bioprocess output stream.
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Abstract
The process and system of the embodiments utilize a reactive separation unit to upgrade a bioprocess intermediate stream to higher value liquid fuels or chemicals. The reactive separation unit simultaneously enables molecular weight and density increases, oxygen content reduction, efficient process energy integration, optional water separation for potential reuse, and incorporation of additional hydrocarbons or oxygenated hydrocarbons as co-feed(s). The use and selection of particular co-feed(s) for this purpose enables tailoring of the intended product composition. The process and system yields a product of higher alcohols, liquid hydrocarbons, or a combination of these. These can be split into two (or more) boiling point fractions by the same reactive separations unit operation resulting in product(s) that can be used as chemicals, chemical intermediates, or alternative (non-fossil-based) liquid transportation fuels.
40 Citations
15 Claims
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1. A chemical conversion process that converts a bioprocess output stream to higher-valve liquids, the process comprising:
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introducing the bioprocess output stream into a reactive separation unit, the bioprocess output stream comprising at least one component selected from the group consisting of a hydrocarbon product, an oxygenated hydrocarbon product, and mixtures thereof; introducing a second stream into the reactive separation unit, the second stream comprising at least one component selected from the group consisting of carbon monoxide, hydrogen, syngas, alcohols, oxygenated hydrocarbons, and mixtures thereof; combining the bioprocess output stream and the second stream; and subjecting the combined streams to reactive separation to produce at least one product selected from the group consisting of higher alcohols, higher aliphatic hydrocarbons, and mixtures thereof, thereby converting at least a portion of the bioprocess output stream to higher value liquid fuels or chemicals by reaction and separation of selected size fractions or boiling point product fractions of the bioprocess output stream. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification