METHOD AND SYSTEM FOR DECARBONIZED LNG PRODUCTION

• Main Authors: JEREMY D BEARD, ROBERTS MARK J, JOHN EUGENE PALAMARA, ANNEMARIE OTT WEIST, GRAHAM DAVID ROSS, DEJAN VESKOVIC
• Format: Patent
• Language: English; Japanese
• Published: 18.08.2022
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; CHEMISTRY; COMBINED HEATING AND REFRIGERATION SYSTEMS; COMBUSTION ENGINES; COMPOUNDS THEREOF; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; GAS-TURBINE PLANTS; HEAT PUMP SYSTEMS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INORGANIC CHEMISTRY; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; METALLURGY; MIXTURES BY PRESSURE AND COLD TREATMENT; NON-METALLIC ELEMENTS; REFRIGERATION OR COOLING; WEAPONS

To provide integration of a natural gas liquefaction system, a hydrogen production system and a power generation system to increase a CO2 capture amount and improve overall plant efficiency.SOLUTION: The invention relates to integration of a natural gas liquefaction system, a hydrogen production system and a power generation system to increase a CO2 capture amount and improve overall plant efficiency. The predominantly methane endflash is sent to the hydrogen production system which produces hydrogen and CO2. The CO2 may be captured or beneficially used. At least a portion of the hydrogen produced is used to supply fuel to gas turbines in the power generation which, in turn, provides power for a refrigeration compressor of the natural gas liquefaction system in a form of either mechanical work or electricity.SELECTED DRAWING: Figure 1 【課題】ＣＯ２回収量を増やし、プラント全体の効率を向上させるために、天然ガス液化システムと、水素生成システムと、動力生成システムとを統合すること。【解決手段】ＣＯ２回収量を増やし、プラント全体の効率を向上させるための、天然ガス液化システムと、水素生成システムと、動力生成システムとの統合。主にメタンのエンドフラッシュが、水素と、ＣＯ２とを生成する水素生成システムに送られる。ＣＯ２は、回収されるか、または有益に使用され得る。生成された水素の少なくとも一部が、動力生成におけるガスタービンに燃料を供給するために使用され、ガスタービンは、次に、機械仕事または電気のいずれかの形態で、天然ガス液化システムの冷凍圧縮機に動力を提供する。【選択図】図１