EG25070A - A method and an apparatus for preparing a nitrogen-freed liquefied natural gas stream. - Google Patents

A method and an apparatus for preparing a nitrogen-freed liquefied natural gas stream.

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Publication number
EG25070A
EG25070A EGNA2007001142A EG25070A EG 25070 A EG25070 A EG 25070A EG NA2007001142 A EGNA2007001142 A EG NA2007001142A EG 25070 A EG25070 A EG 25070A
Authority
EG
Egypt
Prior art keywords
freed
nitrogen
preparing
natural gas
gas stream
Prior art date
Application number
Other languages
English (en)
Inventor
Christopher Geoffrey Spilsbury
Original Assignee
Air Prod & Chem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Prod & Chem filed Critical Air Prod & Chem
Application granted granted Critical
Publication of EG25070A publication Critical patent/EG25070A/xx

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/028—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of noble gases
    • F25J3/029—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of noble gases of helium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0012—Primary atmospheric gases, e.g. air
    • F25J1/0015—Nitrogen
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    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
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    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
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    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F25J1/0055—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream originating from an incorporated cascade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/007—Primary atmospheric gases, mixtures thereof
    • F25J1/0072—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F25J1/0214—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
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    • F25J1/0215—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle
    • F25J1/0216—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle using a C3 pre-cooling cycle
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    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0229—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock
    • F25J1/023—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock for the combustion as fuels, i.e. integration with the fuel gas system
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    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0257—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/04—Recovery of liquid products
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/30—Dynamic liquid or hydraulic expansion with extraction of work, e.g. single phase or two-phase turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/04—Internal refrigeration with work-producing gas expansion loop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/927—Natural gas from nitrogen

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EGNA2007001142 2005-04-22 2007-10-22 A method and an apparatus for preparing a nitrogen-freed liquefied natural gas stream. EG25070A (en)

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EP05252524A EP1715267A1 (en) 2005-04-22 2005-04-22 Dual stage nitrogen rejection from liquefied natural gas
PCT/GB2006/001390 WO2006111721A1 (en) 2005-04-22 2006-04-18 Dual stage nitrogen rejection from liquefied natural gas

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EP (2) EP1715267A1 (xx)
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KR (1) KR100939515B1 (xx)
CN (1) CN101163934B (xx)
AU (1) AU2006238748B2 (xx)
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Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PE20060219A1 (es) * 2004-07-12 2006-05-03 Shell Int Research Tratamiento de gas natural licuado
NO329177B1 (no) * 2007-06-22 2010-09-06 Kanfa Aragon As Fremgangsmåte og system til dannelse av flytende LNG
FR2936864B1 (fr) * 2008-10-07 2010-11-26 Technip France Procede de production de courants d'azote liquide et gazeux, d'un courant gazeux riche en helium et d'un courant d'hydrocarbures deazote et installation associee.
US20100147024A1 (en) * 2008-12-12 2010-06-17 Air Products And Chemicals, Inc. Alternative pre-cooling arrangement
US9151537B2 (en) 2008-12-19 2015-10-06 Kanfa Aragon As Method and system for producing liquefied natural gas (LNG)
US8522574B2 (en) * 2008-12-31 2013-09-03 Kellogg Brown & Root Llc Method for nitrogen rejection and or helium recovery in an LNG liquefaction plant
US8627681B2 (en) * 2009-03-04 2014-01-14 Lummus Technology Inc. Nitrogen removal with iso-pressure open refrigeration natural gas liquids recovery
DE102009038458A1 (de) * 2009-08-21 2011-02-24 Linde Ag Verfahren zum Abtrennen von Stickstoff aus Erdgas
EP2365265B1 (en) * 2010-03-03 2018-10-31 General Electric Technology GmbH Method and installation for separating carbon dioxide from flue gas of combustion plants
US10113127B2 (en) * 2010-04-16 2018-10-30 Black & Veatch Holding Company Process for separating nitrogen from a natural gas stream with nitrogen stripping in the production of liquefied natural gas
US10215485B2 (en) * 2010-06-30 2019-02-26 Shell Oil Company Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor
EP2597406A1 (en) * 2011-11-25 2013-05-29 Shell Internationale Research Maatschappij B.V. Method and apparatus for removing nitrogen from a cryogenic hydrocarbon composition
KR101392894B1 (ko) * 2012-07-23 2014-05-12 대우조선해양 주식회사 천연가스의 질소 제거시스템
KR101392895B1 (ko) * 2012-07-23 2014-05-12 대우조선해양 주식회사 바이패스부를 구비한 천연가스의 질소 제거시스템 및 방법
EP3435016A1 (en) * 2013-01-24 2019-01-30 Exxonmobil Upstream Research Company Liquefied natural gas production
DE102013013883A1 (de) * 2013-08-20 2015-02-26 Linde Aktiengesellschaft Kombinierte Abtrennung von Schwer- und Leichtsiedern aus Erdgas
US9816754B2 (en) * 2014-04-24 2017-11-14 Air Products And Chemicals, Inc. Integrated nitrogen removal in the production of liquefied natural gas using dedicated reinjection circuit
US9945604B2 (en) 2014-04-24 2018-04-17 Air Products And Chemicals, Inc. Integrated nitrogen removal in the production of liquefied natural gas using refrigerated heat pump
US20150308737A1 (en) 2014-04-24 2015-10-29 Air Products And Chemicals, Inc. Integrated Nitrogen Removal in the Production of Liquefied Natural Gas Using Intermediate Feed Gas Separation
CA2855383C (en) 2014-06-27 2015-06-23 Rtj Technologies Inc. Method and arrangement for producing liquefied methane gas (lmg) from various gas sources
US10443930B2 (en) 2014-06-30 2019-10-15 Black & Veatch Holding Company Process and system for removing nitrogen from LNG
DE102014010103A1 (de) * 2014-07-08 2016-01-14 Linde Aktiengesellschaft Verfahren zur LNG-Gewinnung aus N2-reichen Gasen
DE102015004120A1 (de) * 2015-03-31 2016-10-06 Linde Aktiengesellschaft Verfahren zum Abtrennen von Stickstoff aus einer Kohlenwasserstoff-reichen Fraktion
FR3034427B1 (fr) * 2015-04-01 2020-01-03 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede de desazotation du gaz naturel
TWI603044B (zh) 2015-07-10 2017-10-21 艾克頌美孚上游研究公司 使用液化天然氣製造液化氮氣之系統與方法
TWI606221B (zh) 2015-07-15 2017-11-21 艾克頌美孚上游研究公司 一倂移除溫室氣體之液化天然氣的生產系統和方法
TWI608206B (zh) 2015-07-15 2017-12-11 艾克頌美孚上游研究公司 藉由預冷卻天然氣供給流以增加效率的液化天然氣（ｌｎｇ）生產系統
US9816752B2 (en) 2015-07-22 2017-11-14 Butts Properties, Ltd. System and method for separating wide variations in methane and nitrogen
CA2903679C (en) 2015-09-11 2016-08-16 Charles Tremblay Method and system to control the methane mass flow rate for the production of liquefied methane gas (lmg)
EP3390941A1 (en) * 2015-12-14 2018-10-24 Exxonmobil Upstream Research Company Method and system for separating nitrogen from liquefied natural gas using liquefied nitrogen
CA3006957C (en) 2015-12-14 2020-09-15 Exxonmobil Upstream Research Company Method of natural gas liquefaction on lng carriers storing liquid nitrogen
CN105865145B (zh) * 2016-04-22 2019-08-09 晋城华港燃气有限公司 一种煤层气液化工艺
CN106500460B (zh) * 2016-11-24 2018-10-19 中国矿业大学 天然气液化过程中氮气脱除并提纯装置及方法
US10520250B2 (en) 2017-02-15 2019-12-31 Butts Properties, Ltd. System and method for separating natural gas liquid and nitrogen from natural gas streams
JP6858267B2 (ja) 2017-02-24 2021-04-14 エクソンモービル アップストリーム リサーチ カンパニー 二重目的ｌｎｇ／ｌｉｎ貯蔵タンクのパージ方法
US10982898B2 (en) * 2018-05-11 2021-04-20 Air Products And Chemicals, Inc. Modularized LNG separation device and flash gas heat exchanger
WO2019236246A1 (en) 2018-06-07 2019-12-12 Exxonmobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
US11326834B2 (en) 2018-08-14 2022-05-10 Exxonmobil Upstream Research Company Conserving mixed refrigerant in natural gas liquefaction facilities
US11221176B2 (en) * 2018-08-14 2022-01-11 Air Products And Chemicals, Inc. Natural gas liquefaction with integrated nitrogen removal
AU2019325914B2 (en) 2018-08-22 2023-01-19 ExxonMobil Technology and Engineering Company Primary loop start-up method for a high pressure expander process
EP3841342A1 (en) 2018-08-22 2021-06-30 ExxonMobil Upstream Research Company Managing make-up gas composition variation for a high pressure expander process
SG11202101058QA (en) 2018-08-22 2021-03-30 Exxonmobil Upstream Res Co Heat exchanger configuration for a high pressure expander process and a method of natural gas liquefaction using the same
WO2020106397A1 (en) 2018-11-20 2020-05-28 Exxonmobil Upstream Research Company Methods and apparatus for improving multi-plate scraped heat exchangers
WO2020106394A1 (en) 2018-11-20 2020-05-28 Exxonmobil Upstream Research Company Poly refrigerated integrated cycle operation using solid-tolerant heat exchangers
US11668524B2 (en) 2019-01-30 2023-06-06 Exxonmobil Upstream Research Company Methods for removal of moisture from LNG refrigerant
EP3918261A1 (en) 2019-01-30 2021-12-08 Exxonmobil Upstream Research Company (EMHC-N1-4A-607) Methods for removal of moisture from lng refrigerant
EP3990150A4 (en) * 2019-06-25 2024-01-31 Petroliam Nasional Berhad (Petronas) LNG PROCESSING SYSTEM AND METHOD
EP4007881A1 (de) * 2019-08-02 2022-06-08 Linde GmbH Verfahren und anlage zur herstellung von flüssigerdgas
US11465093B2 (en) 2019-08-19 2022-10-11 Exxonmobil Upstream Research Company Compliant composite heat exchangers
US20210063083A1 (en) 2019-08-29 2021-03-04 Exxonmobil Upstream Research Company Liquefaction of Production Gas
EP4031820A1 (en) 2019-09-19 2022-07-27 Exxonmobil Upstream Research Company (EMHC-N1-4A-607) Pretreatment, pre-cooling, and condensate recovery of natural gas by high pressure compression and expansion
EP4031822A1 (en) 2019-09-19 2022-07-27 Exxonmobil Upstream Research Company (EMHC-N1-4A-607) Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
US11815308B2 (en) 2019-09-19 2023-11-14 ExxonMobil Technology and Engineering Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
US11083994B2 (en) 2019-09-20 2021-08-10 Exxonmobil Upstream Research Company Removal of acid gases from a gas stream, with O2 enrichment for acid gas capture and sequestration
JP2022548529A (ja) 2019-09-24 2022-11-21 エクソンモービル アップストリーム リサーチ カンパニー Ｌｎｇ及び液体窒素のための船舶又は浮遊貯蔵ユニット上の両用極低温タンクのための貨物ストリッピング機能
US11378333B2 (en) 2019-12-13 2022-07-05 Bcck Holding Company System and method for separating methane and nitrogen with reduced horsepower demands
US11650009B2 (en) 2019-12-13 2023-05-16 Bcck Holding Company System and method for separating methane and nitrogen with reduced horsepower demands
CN111981768B (zh) * 2020-08-20 2024-07-05 中国石油工程建设有限公司 一种天然气低温节流提取氦气装置和方法
US20230076428A1 (en) * 2021-09-02 2023-03-09 Air Products And Chemicals, Inc. Integrated nitrogen rejection for liquefaction of natural gas

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2500118A (en) * 1945-08-18 1950-03-07 Howell C Cooper Natural gas liquefaction
US3205669A (en) * 1960-08-15 1965-09-14 Phillips Petroleum Co Recovery of natural gas liquids, helium concentrate, and pure nitrogen
US3559417A (en) * 1967-10-12 1971-02-02 Mc Donnell Douglas Corp Separation of low boiling hydrocarbons and nitrogen by fractionation with product stream heat exchange
DE1915218B2 (de) * 1969-03-25 1973-03-29 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum verfluessigen von erdgas
JPS5121642B2 (xx) * 1972-12-27 1976-07-03
US3874184A (en) * 1973-05-24 1975-04-01 Phillips Petroleum Co Removing nitrogen from and subsequently liquefying natural gas stream
JPS5525761A (en) * 1978-08-16 1980-02-23 Hitachi Ltd Method of removing nitrogen from natural gas by lowwtemperature processing
US4415345A (en) 1982-03-26 1983-11-15 Union Carbide Corporation Process to separate nitrogen from natural gas
US4455158A (en) * 1983-03-21 1984-06-19 Air Products And Chemicals, Inc. Nitrogen rejection process incorporating a serpentine heat exchanger
US4504295A (en) 1983-06-01 1985-03-12 Air Products And Chemicals, Inc. Nitrogen rejection from natural gas integrated with NGL recovery
US4541852A (en) * 1984-02-13 1985-09-17 Air Products And Chemicals, Inc. Deep flash LNG cycle
US4701200A (en) * 1986-09-24 1987-10-20 Union Carbide Corporation Process to produce helium gas
US4710212A (en) * 1986-09-24 1987-12-01 Union Carbide Corporation Process to produce high pressure methane gas
US5167125A (en) * 1991-04-08 1992-12-01 Air Products And Chemicals, Inc. Recovery of dissolved light gases from a liquid stream
FR2682964B1 (fr) 1991-10-23 1994-08-05 Elf Aquitaine Procede de deazotation d'un melange liquefie d'hydrocarbures consistant principalement en methane.
FR2703762B1 (fr) * 1993-04-09 1995-05-24 Maurice Grenier Procédé et installation de refroidissement d'un fluide, notamment pour la liquéfaction de gaz naturel.
US5410885A (en) * 1993-08-09 1995-05-02 Smolarek; James Cryogenic rectification system for lower pressure operation
GB2297825A (en) 1995-02-03 1996-08-14 Air Prod & Chem Process to remove nitrogen from natural gas
GB2298034B (en) 1995-02-10 1998-06-24 Air Prod & Chem Dual column process to remove nitrogen from natural gas
US5505049A (en) * 1995-05-09 1996-04-09 The M. W. Kellogg Company Process for removing nitrogen from LNG
MY117899A (en) * 1995-06-23 2004-08-30 Shell Int Research Method of liquefying and treating a natural gas.
MY113525A (en) * 1995-10-05 2002-03-30 Bhp Petroleum Pty Ltd Liquefaction process
FR2772896B1 (fr) * 1997-12-22 2000-01-28 Inst Francais Du Petrole Procede de liquefaction d'un gaz notamment un gaz naturel ou air comportant une purge a moyenne pression et son application
MY114649A (en) 1998-10-22 2002-11-30 Exxon Production Research Co A process for separating a multi-component pressurized feed stream using distillation
US6070429A (en) 1999-03-30 2000-06-06 Phillips Petroleum Company Nitrogen rejection system for liquified natural gas
US6308531B1 (en) * 1999-10-12 2001-10-30 Air Products And Chemicals, Inc. Hybrid cycle for the production of liquefied natural gas
DE10121339A1 (de) 2001-05-02 2002-11-07 Linde Ag Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-entaltenden Kohlenwasserstoff Fraktion
FR2826969B1 (fr) 2001-07-04 2006-12-15 Technip Cie Procede de liquefaction et de deazotation de gaz naturel, installation de mise en oeuvre, et gaz obtenus par cette separation
CN1178038C (zh) * 2001-08-19 2004-12-01 中国科学技术大学 利用液化天然气冷能的空气分离装置
US6743829B2 (en) * 2002-01-18 2004-06-01 Bp Corporation North America Inc. Integrated processing of natural gas into liquid products
US6758060B2 (en) * 2002-02-15 2004-07-06 Chart Inc. Separating nitrogen from methane in the production of LNG
FR2841330B1 (fr) * 2002-06-21 2005-01-28 Inst Francais Du Petrole Liquefaction de gaz naturel avec recyclage de gaz naturel
GB0220791D0 (en) * 2002-09-06 2002-10-16 Boc Group Plc Nitrogen rejection method and apparatus
US6978638B2 (en) 2003-05-22 2005-12-27 Air Products And Chemicals, Inc. Nitrogen rejection from condensed natural gas
GB0329713D0 (en) * 2003-12-22 2004-01-28 Bp Exploration Operating Process

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CA2605545C (en) 2010-11-02
EP1872072A1 (en) 2008-01-02
AU2006238748B2 (en) 2010-04-01
WO2006111721A1 (en) 2006-10-26
EP1715267A1 (en) 2006-10-25
US20070245771A1 (en) 2007-10-25
KR20080010417A (ko) 2008-01-30
NO20075947L (no) 2007-11-19
EP1872072B1 (en) 2018-08-01
JP4673406B2 (ja) 2011-04-20
TW200638013A (en) 2006-11-01
CN101163934B (zh) 2012-03-14
JP2008537089A (ja) 2008-09-11
US7520143B2 (en) 2009-04-21
AU2006238748A1 (en) 2006-10-26
TWI273207B (en) 2007-02-11
NO343069B1 (no) 2018-10-22
RU2355960C1 (ru) 2009-05-20
KR100939515B1 (ko) 2010-02-03
CN101163934A (zh) 2008-04-16
MX2007013033A (es) 2008-01-11
CA2605545A1 (en) 2006-10-26

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