DK201783D0 - Fremgangsmade til fjernelse af nitrogen fra naturgas - Google Patents

Fremgangsmade til fjernelse af nitrogen fra naturgas

Info

Publication number
DK201783D0
DK201783D0 DK2017/83A DK201783A DK201783D0 DK 201783 D0 DK201783 D0 DK 201783D0 DK 2017/83 A DK2017/83 A DK 2017/83A DK 201783 A DK201783 A DK 201783A DK 201783 D0 DK201783 D0 DK 201783D0
Authority
DK
Denmark
Prior art keywords
nitrogen
natural gas
heat pump
pressure
methane
Prior art date
Application number
DK2017/83A
Other languages
English (en)
Other versions
DK201783A (da
Inventor
James Willers Pervier
Harvey Lewis Vines
Iii Vincent Marano
Michael Andrew Patterson
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
Publication of DK201783D0 publication Critical patent/DK201783D0/da
Publication of DK201783A publication Critical patent/DK201783A/da

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/0204Processes 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 feed stream
    • F25J3/0209Natural gas or substitute natural gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/0228Processes 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
    • F25J3/0233Processes 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/0228Processes 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
    • F25J3/0257Processes 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/02Processes or apparatus using separation by rectification in a single pressure main column system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/50Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/72Refluxing the column with at least a part of the totally condensed overhead gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/02Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F25J2205/04Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00Processes characterised by the type or other details of the feed stream
    • F25J2210/06Splitting of the feed stream, e.g. for treating or cooling in different ways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/12Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being nitrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00Refrigeration techniques used
    • F25J2270/04Internal refrigeration with work-producing gas expansion loop
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00Refrigeration techniques used
    • F25J2270/12External refrigeration with liquid vaporising loop
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00Refrigeration techniques used
    • F25J2270/60Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00Refrigeration techniques used
    • F25J2270/66Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/927Natural gas from nitrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK201783A 1982-05-10 1983-05-05 Fremgangsmaade til fjernelse af nitrogen fra naturgas DK201783A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/376,365 US4411677A (en) 1982-05-10 1982-05-10 Nitrogen rejection from natural gas

Publications (2)

Publication Number Publication Date
DK201783D0 true DK201783D0 (da) 1983-05-05
DK201783A DK201783A (da) 1983-11-11

Family

ID=23484730

Family Applications (1)

Application Number Title Priority Date Filing Date
DK201783A DK201783A (da) 1982-05-10 1983-05-05 Fremgangsmaade til fjernelse af nitrogen fra naturgas

Country Status (7)

Country Link
US (1) US4411677A (da)
EP (1) EP0094062B1 (da)
AT (1) ATE31578T1 (da)
CA (1) CA1195231A (da)
DE (1) DE3375044D1 (da)
DK (1) DK201783A (da)
NO (1) NO158478C (da)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767428A (en) * 1982-03-10 1988-08-30 Flexivol, Inc. Nitrogen removal system
US4496382A (en) * 1983-03-21 1985-01-29 Air Products And Chemicals, Inc. Process using serpentine heat exchange relationship for condensing substantially single component gas streams
US4504295A (en) * 1983-06-01 1985-03-12 Air Products And Chemicals, Inc. Nitrogen rejection from natural gas integrated with NGL recovery
US4501600A (en) * 1983-07-15 1985-02-26 Union Carbide Corporation Process to separate nitrogen from natural gas
US4592767A (en) * 1985-05-29 1986-06-03 Union Carbide Corporation Process for separating methane and nitrogen
US4662919A (en) * 1986-02-20 1987-05-05 Air Products And Chemicals, Inc. Nitrogen rejection fractionation system for variable nitrogen content natural gas
US4710212A (en) * 1986-09-24 1987-12-01 Union Carbide Corporation Process to produce high pressure methane gas
US4732598A (en) * 1986-11-10 1988-03-22 Air Products And Chemicals, Inc. Dephlegmator process for nitrogen rejection from natural gas
US4761167A (en) * 1986-12-12 1988-08-02 Air Products And Chemicals, Inc. Hydrocarbon recovery from fuel gas
FR2644160B1 (fr) * 1989-03-09 1991-05-10 Air Liquide Procede et installation de recuperation des hydrocarbures les plus lourds d'un melange gazeux
US4948404A (en) * 1989-08-03 1990-08-14 Phillips Petroleum Company Liquid nitrogen by-product production in an NGL plant
US5051120A (en) * 1990-06-12 1991-09-24 Union Carbide Industrial Gases Technology Corporation Feed processing for nitrogen rejection unit
US5375422A (en) * 1991-04-09 1994-12-27 Butts; Rayburn C. High efficiency nitrogen rejection unit
FR2764972B1 (fr) * 1997-06-24 1999-07-16 Inst Francais Du Petrole Procede de liquefaction d'un gaz naturel a deux etages interconnectes
US5802871A (en) * 1997-10-16 1998-09-08 Air Products And Chemicals, Inc. Dephlegmator process for nitrogen removal from natural gas
US6214258B1 (en) 1998-08-13 2001-04-10 Air Products And Chemicals, Inc. Feed gas pretreatment in synthesis gas production
MY117066A (en) 1998-10-22 2004-04-30 Exxon Production Research Co Process for removing a volatile component from natural gas
MY114649A (en) 1998-10-22 2002-11-30 Exxon Production Research Co A process for separating a multi-component pressurized feed stream using distillation
US6978638B2 (en) 2003-05-22 2005-12-27 Air Products And Chemicals, Inc. Nitrogen rejection from condensed natural gas
AU2006229877B2 (en) * 2005-03-30 2009-04-23 Fluor Technologies Corporation Integrated of LNG regasification with refinery and power generation
EP1734027B1 (en) * 2005-06-14 2012-08-15 Toyo Engineering Corporation Process and Apparatus for Separation of Hydrocarbons from Liquefied Natural Gas
US9243842B2 (en) 2008-02-15 2016-01-26 Black & Veatch Corporation Combined synthesis gas separation and LNG production method and system
EP2350546A1 (en) * 2008-10-07 2011-08-03 Exxonmobil Upstream Research Company Helium recovery from natural gas integrated with ngl recovery
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
WO2012075266A2 (en) 2010-12-01 2012-06-07 Black & Veatch Corporation Ngl recovery from natural gas using a mixed refrigerant
US20120324943A1 (en) * 2011-06-21 2012-12-27 Butts Rayburn C Two Step Nitrogen and Methane Separation Process
US10139157B2 (en) * 2012-02-22 2018-11-27 Black & Veatch Holding Company NGL recovery from natural gas using a mixed refrigerant
CA2867436C (en) * 2012-03-30 2019-04-09 Exxonmobil Upstream Research Company Lng formation
BR112015012441A2 (pt) * 2013-01-24 2017-07-11 Exxonmobil Upstream Res Co produção de gás natural liquefeito
GB201306342D0 (en) * 2013-04-08 2013-05-22 Costain Oil Gas & Process Ltd Process and apparatus for separation of hydrocarbons and nitrogen
US10563913B2 (en) 2013-11-15 2020-02-18 Black & Veatch Holding Company Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle
US9574822B2 (en) 2014-03-17 2017-02-21 Black & Veatch Corporation Liquefied natural gas facility employing an optimized mixed refrigerant system
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
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)
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
US11686528B2 (en) 2019-04-23 2023-06-27 Chart Energy & Chemicals, Inc. Single column nitrogen rejection unit with side draw heat pump reflux system and method
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
CN114777416B (zh) * 2022-04-22 2023-02-07 杭州特盈能源技术发展有限公司 一种绿电高效转化低能耗空分储能工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238735A (en) * 1962-12-05 1966-03-08 Chevron Res Distillation of low-boiling components
DE1939114B2 (de) * 1969-08-01 1979-01-25 Linde Ag, 6200 Wiesbaden Verflüssigungsverfahren für Gase und Gasgemische, insbesondere für Erdgas
DE2022954C3 (de) * 1970-05-12 1978-05-18 Linde Ag, 6200 Wiesbaden Verfahren zur Zerlegung von stickstoffhaltigem Erdgas
DE2734080A1 (de) * 1977-07-28 1979-02-15 Linde Ag Verfahren zum abtrennen von methan aus einem methanhaltigen rohgas

Also Published As

Publication number Publication date
NO831636L (no) 1983-11-11
EP0094062A2 (en) 1983-11-16
EP0094062B1 (en) 1987-12-23
DK201783A (da) 1983-11-11
US4411677A (en) 1983-10-25
ATE31578T1 (de) 1988-01-15
CA1195231A (en) 1985-10-15
NO158478C (no) 1988-09-14
NO158478B (no) 1988-06-06
EP0094062A3 (en) 1985-01-30
DE3375044D1 (en) 1988-02-04

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