Oxy-combustion turboexpander system

• Main Authors: GROVER BHADRA S, LAFORCE CRAIG
• Format: Patent
• Language: English
• Published: 21.07.2015
• Subjects: AIR; AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; COMBUSTION APPARATUS; COMBUSTION ENGINES; COMBUSTION PROCESSES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; GAS-TURBINE PLANTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEAT PUMP SYSTEMS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS; MACHINES OR ENGINES IN GENERAL; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; MIXTURES BY PRESSURE AND COLD TREATMENT; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; REFRIGERATION OR COOLING; STEAM ACCUMULATORS; STEAM BOILERS; STEAM ENGINE PLANTS; STEAM ENGINES; STEAM GENERATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

An integrated oxy-combustion turboexpander process including producing an enriched carbon dioxide product stream, by combusting a compressed synthetic air stream, including an oxygen-enriched stream and a carbon dioxide recycle stream, with a fuel stream and expanding the combustion stream thereby producing the carbon dioxide recycle stream and an enriched carbon dioxide product stream; producing an essentially pure carbon dioxide product stream, by processing the enriched carbon dioxide product stream into a deoxo methane combustor.