CA2250123C - Aromatics and/or heavies removal from a methane-based feed by condensation and stripping - Google Patents

Aromatics and/or heavies removal from a methane-based feed by condensation and stripping Download PDF

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Publication number
CA2250123C
CA2250123C CA002250123A CA2250123A CA2250123C CA 2250123 C CA2250123 C CA 2250123C CA 002250123 A CA002250123 A CA 002250123A CA 2250123 A CA2250123 A CA 2250123A CA 2250123 C CA2250123 C CA 2250123C
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CA
Canada
Prior art keywords
stream
signal
methane
conduit
column
Prior art date
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CA002250123A
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English (en)
French (fr)
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CA2250123A1 (en
Inventor
Jame Yao
Clarence G. Houser
William R. Low
Barnard J. Devers
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ConocoPhillips Co
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ConocoPhillips Co
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Priority claimed from US08/621,923 external-priority patent/US5669238A/en
Priority claimed from US08/659,732 external-priority patent/US5737940A/en
Application filed by ConocoPhillips Co filed Critical ConocoPhillips Co
Publication of CA2250123A1 publication Critical patent/CA2250123A1/en
Application granted granted Critical
Publication of CA2250123C publication Critical patent/CA2250123C/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F25J3/0242Processes 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 3 carbon atoms or more
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022Hydrocarbons, e.g. natural gas
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    • F25J1/003Processes 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
    • F25J1/0032Processes 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"
    • F25J1/004Processes 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" by flash gas recovery
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    • F25J1/0052Processes 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
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    • F25J1/0208Processes 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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop
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    • F25J1/0228Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235Heat exchange integration
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    • F25J1/0238Purification or treatment step is integrated within one refrigeration cycle only, i.e. the same or single refrigeration cycle provides feed gas cooling (if present) and overhead gas cooling
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    • F25J1/0244Operation; Control and regulation; Instrumentation
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    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0244Operation; Control and regulation; Instrumentation
    • F25J1/0245Different modes, i.e. 'runs', of operation; Process control
    • F25J1/0247Different modes, i.e. 'runs', of operation; Process control start-up of the process
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    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0262Details of the cold heat exchange system
    • F25J1/0264Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • F25J1/0265Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams comprising cores associated exclusively with the cooling of a refrigerant stream, e.g. for auto-refrigeration or economizer
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    • 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
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    • F25J3/0238Processes 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 2 carbon atoms or more
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    • F25J3/0295Start-up or control of the process; Details of the apparatus used, e.g. sieve plates, packings
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    • F25J2200/70Refluxing the column with a condensed part of the feed stream, i.e. fractionator top is stripped or self-rectified
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    • 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
    • F25J2280/00Control of the process or apparatus
    • F25J2280/02Control in general, load changes, different modes ("runs"), measurements
    • 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
    • F25J2280/00Control of the process or apparatus
    • F25J2280/10Control for or during start-up and cooling down of the installation
    • 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
    • F25J2290/00Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/34Details about subcooling of liquids

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
CA002250123A 1996-03-26 1997-03-19 Aromatics and/or heavies removal from a methane-based feed by condensation and stripping Expired - Lifetime CA2250123C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/621,923 1996-03-26
US08/621,923 US5669238A (en) 1996-03-26 1996-03-26 Heat exchanger controls for low temperature fluids
US08/659,732 1996-06-07
US08/659,732 US5737940A (en) 1996-06-07 1996-06-07 Aromatics and/or heavies removal from a methane-based feed by condensation and stripping
PCT/US1997/004397 WO1997036139A1 (en) 1996-03-26 1997-03-19 Aromatics and/or heavies removal from a methane-based feed by condensation and stripping

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CA2250123A1 CA2250123A1 (en) 1997-10-02
CA2250123C true CA2250123C (en) 2004-01-27

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CA002250123A Expired - Lifetime CA2250123C (en) 1996-03-26 1997-03-19 Aromatics and/or heavies removal from a methane-based feed by condensation and stripping

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JP (1) JP4612122B2 (ru)
AR (1) AR006440A1 (ru)
AU (1) AU707336B2 (ru)
CA (1) CA2250123C (ru)
CO (1) CO5090917A1 (ru)
EA (1) EA000800B1 (ru)
ID (1) ID17331A (ru)
IN (1) IN191375B (ru)
MY (1) MY123833A (ru)
NO (1) NO309397B1 (ru)
OA (1) OA11014A (ru)
SA (1) SA97180452B1 (ru)
TR (1) TR199801906T2 (ru)
TW (1) TW426665B (ru)
WO (1) WO1997036139A1 (ru)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7310971B2 (en) * 2004-10-25 2007-12-25 Conocophillips Company LNG system employing optimized heat exchangers to provide liquid reflux stream
US7484385B2 (en) 2003-01-16 2009-02-03 Lummus Technology Inc. Multiple reflux stream hydrocarbon recovery process
US6742357B1 (en) * 2003-03-18 2004-06-01 Air Products And Chemicals, Inc. Integrated multiple-loop refrigeration process for gas liquefaction
CA2543195C (en) * 2003-10-30 2009-02-10 Fluor Technologies Corporation Flexible ngl process and methods
US7866184B2 (en) 2004-06-16 2011-01-11 Conocophillips Company Semi-closed loop LNG process
US20070012072A1 (en) * 2005-07-12 2007-01-18 Wesley Qualls Lng facility with integrated ngl extraction technology for enhanced ngl recovery and product flexibility
DE102005050388A1 (de) * 2005-10-20 2007-04-26 Linde Ag Rückgewinnungssystem für die Weiterverarbeitung eines Spaltgasstroms einer Ethylenanlage
US8127938B2 (en) 2009-03-31 2012-03-06 Uop Llc Apparatus and process for treating a hydrocarbon stream
AU2010302667B2 (en) * 2009-09-30 2013-12-05 Shell Internationale Research Maatschappij B.V. Method of fractionating a hydrocarbon stream and an apparatus therefor
RU2607933C2 (ru) 2011-08-10 2017-01-11 Конокофиллипс Компани Установка для сжижения природного газа с этилен-независимой системой извлечения тяжелых фракций
CN106537072B (zh) * 2014-03-14 2020-09-25 鲁姆斯科技公司 在液化之前从贫天然气中除去重烃的方法和装置
DE102015002164A1 (de) * 2015-02-19 2016-08-25 Linde Aktiengesellschaft Verfahren zum Verflüssigen von Erdgas
KR102291922B1 (ko) * 2015-04-28 2021-08-20 대우조선해양 주식회사 천연가스를 이용하여 중질탄화수소를 생산하는 flng 및 flng에서 천연가스를 이용하여 중질탄화수소를 생산하는 방법
US11402155B2 (en) 2016-09-06 2022-08-02 Lummus Technology Inc. Pretreatment of natural gas prior to liquefaction
US11473837B2 (en) * 2018-08-31 2022-10-18 Uop Llc Gas subcooled process conversion to recycle split vapor for recovery of ethane and propane
US10894929B1 (en) * 2019-10-02 2021-01-19 Saudi Arabian Oil Company Natural gas liquids recovery process
CN115317947B (zh) * 2022-08-30 2023-08-11 山东神驰石化有限公司 一种丙烯生产用高效精馏塔
US11905480B1 (en) 2022-10-20 2024-02-20 Saudi Arabian Oil Company Enhancing H2S specification in NGL products

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407052A (en) * 1966-08-17 1968-10-22 Conch Int Methane Ltd Natural gas liquefaction with controlled b.t.u. content
US3413816A (en) * 1966-09-07 1968-12-03 Phillips Petroleum Co Liquefaction of natural gas
BE758567A (fr) * 1969-11-07 1971-05-06 Fluor Corp Procede de recuperation d'ethylene a basse pression
US4142876A (en) * 1975-05-22 1979-03-06 Phillips Petroleum Company Recovery of natural gas liquids by partial condensation
US4318723A (en) * 1979-11-14 1982-03-09 Koch Process Systems, Inc. Cryogenic distillative separation of acid gases from methane
FR2471567B1 (fr) * 1979-12-12 1986-11-28 Technip Cie Procede et systeme de refrigeration d'un fluide a refroidir a basse temperature
JPS5822872A (ja) * 1981-07-31 1983-02-10 東洋エンジニアリング株式会社 天燃ガス中のlpg回収方法
SU1075065A1 (ru) * 1982-02-01 1984-02-23 Всесоюзный научно-исследовательский институт природных газов Способ разделени жирных углеводородных газов
US4410342A (en) * 1982-05-24 1983-10-18 United States Riley Corporation Method and apparatus for separating a liquid product from a hydrocarbon-containing gas
US4445916A (en) * 1982-08-30 1984-05-01 Newton Charles L Process for liquefying methane
US4559070A (en) * 1984-01-03 1985-12-17 Marathon Oil Company Process for devolatilizing natural gas liquids
DE3408997A1 (de) * 1984-03-12 1985-09-12 Linde Ag, 6200 Wiesbaden Verfahren zum abtrennen schwerer komponenten aus verfluessigten gasen
SU1259083A1 (ru) * 1985-03-26 1986-09-23 Всесоюзный Научно-Исследовательский И Проектный Институт По Переработке Газа Способ переработки нефт ных газов
US5170630A (en) * 1991-06-24 1992-12-15 The Boc Group, Inc. Process and apparatus for producing nitrogen of ultra-high purity
FR2681859B1 (fr) * 1991-09-30 1994-02-11 Technip Cie Fse Etudes Const Procede de liquefaction de gaz naturel.
JP3328749B2 (ja) * 1992-12-11 2002-09-30 日本酸素株式会社 低沸点不純物を含むガスの液化方法及び装置

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NO984488L (no) 1998-11-26
EA199800856A1 (ru) 1999-04-29
CA2250123A1 (en) 1997-10-02
NO984488D0 (no) 1998-09-25
TR199801906T2 (xx) 1999-01-18
MY123833A (en) 2006-06-30
JP2000512724A (ja) 2000-09-26
SA97180452B1 (ar) 2006-10-30
AU707336B2 (en) 1999-07-08
CO5090917A1 (es) 2001-10-30
NO309397B1 (no) 2001-01-22
AR006440A1 (es) 1999-08-25
IN191375B (ru) 2003-11-29
OA11014A (en) 2003-03-06
EA000800B1 (ru) 2000-04-24
ID17331A (id) 1997-12-18
TW426665B (en) 2001-03-21
AU2335197A (en) 1997-10-17
JP4612122B2 (ja) 2011-01-12
WO1997036139A1 (en) 1997-10-02

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