Abstract:
Impurities that are less volatile than carbon dioxide, e.g. hydrogen sulfide, are removed from crude carbon dioxide by processes involving distillation of said crude carbon dioxide in a distillation column system operating at super-atmospheric pressure(s) to produce carbon dioxide-enriched overhead vapor and bottoms liquid enriched with said impurities. Where such processes involve a single heat pump cycle, significant savings in power consumption are realized when the distillation column system is re-boiled by at least partially vaporizing liquid in or taken from an intermediate location in the column system.
Abstract:
본 발명은 사워 가스(Sour Gas)로부터 분리된 액체 이산화탄소를 교축 감압 팽창시키고, 저온으로 기액 분리하여 선박 운송 또는 석유 회수증진용으로 공급하는 실시예와, 한계가스정(stranded gas well)으로부터 발생되는 사워 가스(sour gas)로부터 분리 배출되는 액체 이산화탄소에 한계가스정으로부터 발생되는 메탄을 냉매로써 통과시켜 액체 이산화탄소를 냉각시키는 실시예로부터 한계가스정의 사워 가스로부터 분리되는 물질을 냉매로 하여 이산화탄소를 냉각시킴으로써 이산화탄소 저장 및 포집용이나 석유 회수증진용 등 극저온의 액체 이산화탄소의 수요처에 적합한 온도 및 상태 조건으로 공급될 수 있도록 하는 이산화탄소의 처리 모듈 및 그 처리 방법에 관한 것이다.
Abstract:
The present disclosure provides an integrated power generating system and method and liquefied natural gas (LNG) vaporization system and method. More particularly, heat from a CO 2 containing stream (15) from the power generating system and method can be used to heat (21) the LNG for re-gasification (44) as gaseous CO 2 from CO 2 containing stream is liquefied (55). The liquefied CO 2 can be captured and/or recycled back to a combustor (1) in the power generating system and method.
Abstract:
A comburant gas supply system for a combustion boiler/turbine of a thermal power plant, a combustion boiler/ turbine system and a thermal power plant including the same are described. The gas supply system has an air separation module to separate and output an oxygen rich gas from an input air supply; a comburant gas storage module fluidly connected to the output of the air separation module for storage in liquid state of separated oxygen rich gas; a comburant gas supply module to supply the oxygen rich gas to the combustion boiler selectively from the air separation system and/ or the comburant gas storage system. It is characterized in that the air separation module has an oxygen rich gas output capacity that is determined from a demand rating for the combustion boiler/ turbine adjusted with reference to a load factor across a predetermined operating period and/ or the ASU size is increased to provide longer term energy storage capacity than previous sizing based on load factor.
Abstract:
A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0°C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream.
Abstract:
L'invention concerne un procédé de traitement d'un gaz naturel contenant du dioxyde de carbone dans lequel : - le gaz naturel est séparé par un procédé cryogénique pour fournir d'une part un flux de dioxyde de carbone liquide, contenant des hydrocarbures, et d'autre part du gaz naturel purifié; - au moins une partie du gaz naturel est refroidie dans un premier échangeur de chaleur puis dans un deuxième échangeur de chaleur avant ledit procédé cryogénique et / ou avant un reflux vers ledit procédé cryogénique; - au moins une partie du flux de dioxyde de carbone liquide est récupérée pour fournir un flux de dioxyde de carbone recyclé; - le flux de dioxyde de carbone recyclé est divisé en une première portion et une deuxième portion; - la première portion est détendue puis est réchauffée dans le premier échangeur de chaleur, pour fournir un premier flux de dioxyde de carbone réchauffé; - la deuxième portion est refroidie, puis au moins une partie de la deuxième portion est détendue puis est réchauffée dans le deuxième échangeur de chaleur, pour fournir un deuxième flux de dioxyde de carbone réchauffé; - au moins une partie des hydrocarbures contenus dans le premier flux de dioxyde de carbone réchauffé et dans le deuxième flux de dioxyde de carbone réchauffé sont récupérés par séparation liquide / gaz. L'invention concerne également une installation adaptée à la mise en œuvre de ce procédé.
Abstract:
A plant for CO 2 separation is described that has a high security level, minimized energy consumption and can deliver liquid CO 2 from the flue gas of a fossil fired power plant at different purity levels.
Abstract:
The present invention relates to the purification of a carbon dioxide (CO 2 ) rich stream that comprises primarily CO 2 and hydrogen (H 2 ). In particular, the present invention relates to the purification of a CO 2 rich stream that comprises at least 90 mol% of CO 2 and less than 10 mol% of H 2 to obtain a CO 2 stream of sufficient purity for CO 2 sequestration e.g. storage in the underground strata; and/or use in a wide range of other applications, e.g. in the food, chemical and oil and/or the gas industry.
Abstract:
The present invention relates to an enhanced oil recovery process that is integrated with a synthesis gas generation process, such as gasification or reforming, and an air separation process for generating (i) an oxygen stream for use, for example, in the syngas process or a combustion process, and (ii) a nitrogen stream for EOR use.
Abstract:
The present invention relates to an enhanced oil recovery process that is integrated with a synthesis gas generation process, such as gasification or methane reforming, involving combined capture and recycle of carbon dioxide from both processes.