US3593535A - Liquefaction of natural gas employing multiple-component refrigerants - Google Patents

Liquefaction of natural gas employing multiple-component refrigerants Download PDF

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Publication number
US3593535A
US3593535A US882781A US3593535DA US3593535A US 3593535 A US3593535 A US 3593535A US 882781 A US882781 A US 882781A US 3593535D A US3593535D A US 3593535DA US 3593535 A US3593535 A US 3593535A
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United States
Prior art keywords
liquid
heat exchange
refrigerant
multicomponent
fraction
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Expired - Lifetime
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US882781A
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English (en)
Inventor
Lee S Gaumer Jr
Charles L Newton
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Air Products and Chemicals Inc
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Air Products and Chemicals Inc
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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
    • 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
    • F25J1/0022—Hydrocarbons, e.g. natural 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
    • 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
    • F25J1/0047—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
    • 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
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0211—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
    • F25J1/0212—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 single flow MCR cycle
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • 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
    • F25J1/0231—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock for the working-up of the hydrocarbon feed, e.g. reinjection of heavier hydrocarbons into the liquefied 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0234—Integration with a cryogenic air separation unit
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
    • F25J1/0238—Purification 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
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0244—Operation; Control and regulation; Instrumentation
    • F25J1/0245—Different modes, i.e. 'runs', of operation; Process control
    • F25J1/0249—Controlling refrigerant inventory, i.e. composition or quantity
    • F25J1/025—Details related to the refrigerant production or treatment, e.g. make-up supply from feed gas itself
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0258—Construction and layout of liquefaction equipments, e.g. valves, machines vertical layout of the equipments within in the cold box
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0291—Refrigerant compression by combined gas compression and liquid pumping
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
    • 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
    • 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
    • F25J2205/04—Processes 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
    • 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
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • 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
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/30—Compression of the feed 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
    • 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
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons

Definitions

  • a system for liquefying a feed stream composed primarily of methane comprising:
  • multistage heat exchanger means for passing each of said expanded liquid condensates in countercurrent heat exchange with said feed stream at progressively lower temperature stages for liquefying said feed stream, said multistage heat exchanger means including a final lowest temperature stage, at least said lowest temperature stage comprising a vertically extending coil through which said feed stream is passed upwardly, and means for spraying said lowest temperature liquid condensate downwardly over said coil.

Landscapes

  • 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)
  • Separation By Low-Temperature Treatments (AREA)
US882781A 1965-06-29 1969-12-22 Liquefaction of natural gas employing multiple-component refrigerants Expired - Lifetime US3593535A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US46800865A 1965-06-29 1965-06-29
US65998867A 1967-08-11 1967-08-11
US72213568A 1968-04-17 1968-04-17
US88278169A 1969-12-22 1969-12-22
US357170A 1970-01-09 1970-01-09
US4962270A 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
US3593535A true US3593535A (en) 1971-07-20

Family

ID=44022995

Family Applications (2)

Application Number Title Priority Date Filing Date
US882781A Expired - Lifetime US3593535A (en) 1965-06-29 1969-12-22 Liquefaction of natural gas employing multiple-component refrigerants
US49622A Expired - Lifetime US3645106A (en) 1965-06-29 1970-06-25 Process for liquefying natural gas employing a multicomponent refrigerant for obtaining low temperature cooling

Family Applications After (1)

Application Number Title Priority Date Filing Date
US49622A Expired - Lifetime US3645106A (en) 1965-06-29 1970-06-25 Process for liquefying natural gas employing a multicomponent refrigerant for obtaining low temperature cooling

Country Status (4)

Country Link
US (2) US3593535A (ko)
FR (1) FR1557019A (ko)
GB (1) GB1135871A (ko)
MY (1) MY7000139A (ko)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742721A (en) * 1970-01-08 1973-07-03 Technip Cie Method of regulation of the temperature of the liquefied gas or gaseous mixture in an apparatus for the liquefaction of gaseous fluids
US3855810A (en) * 1972-02-11 1974-12-24 Linde Ag One flow cascade cycle with buffer volume bypass
US3884044A (en) * 1970-02-09 1975-05-20 Exxon Research Engineering Co Mixed refrigerant cycle
US3884045A (en) * 1970-02-09 1975-05-20 Exxon Research Engineering Co Mixed refrigerant cycle
US3898857A (en) * 1972-09-22 1975-08-12 Teal Soc Process for regulating the quantity of cold delivered by a refrigerating installation
US3932154A (en) * 1972-06-08 1976-01-13 Chicago Bridge & Iron Company Refrigerant apparatus and process using multicomponent refrigerant
US3957473A (en) * 1970-02-09 1976-05-18 Stark Thomas M Mixed refrigerant cycle
US4065278A (en) * 1976-04-02 1977-12-27 Air Products And Chemicals, Inc. Process for manufacturing liquefied methane
USRE29914E (en) * 1965-03-31 1979-02-20 Compagnie Francaise D'etudes Et De Construction Technip Method and apparatus for the cooling and low temperature liquefaction of gaseous mixtures
USRE30140E (en) * 1961-06-01 1979-11-06 Compagnie Francaise D'etudes Et De Construction Technip Method for cooling a gaseous mixture to a low temperature
US4251247A (en) * 1974-05-31 1981-02-17 Compagnie Francaise D'etudes Et De Construction Technip Method and apparatus for cooling a gaseous mixture
US4814152A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for removing mercury vapor and chemisorbent composition therefor
US4813987A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for the liquefaction of natural gas
US4813986A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for the low temperature deriming of cryogenic heat exchangers
US4828591A (en) * 1988-08-08 1989-05-09 Mobil Oil Corporation Method and apparatus for the liquefaction of natural gas
US4859491A (en) * 1987-10-13 1989-08-22 Mobil Oil Corporation Process for repairing a cryogenic heat exchanger
US5950453A (en) * 1997-06-20 1999-09-14 Exxon Production Research Company Multi-component refrigeration process for liquefaction of natural gas
US6250105B1 (en) 1998-12-18 2001-06-26 Exxonmobil Upstream Research Company Dual multi-component refrigeration cycles for liquefaction of natural gas
WO2003019095A1 (en) * 2001-08-21 2003-03-06 Gasconsult Limited Method for liquefying methane-rich gas
WO2003064946A1 (en) * 2002-01-30 2003-08-07 Exxonmobil Upstream Research Company Processes and systems for liquefying natural gas
US20040069015A1 (en) * 2001-02-26 2004-04-15 Henri Paradowski Method for ethane recovery, using a refrigeration cycle with a mixture of at least two coolants, gases obtained by said method, and installation therefor
US20040083756A1 (en) * 2002-11-01 2004-05-06 Jean-Pierre Tranier Combined air separation natural gas liquefaction plant
US20050198998A1 (en) * 2004-03-09 2005-09-15 Guang-Chung Lee Refrigeration system
US20100058802A1 (en) * 2006-11-01 2010-03-11 Einar Brendeng Method for liquefaction of gas
DE102009015411A1 (de) 2009-03-27 2010-10-07 Marine-Service Gmbh Verfahren und Einrichtung zum Betrieb einer Antriebsmaschine für ein Schiff zum Transport von Flüssiggas
US20120247147A1 (en) * 2011-03-29 2012-10-04 Linde Aktiengesellschaft Heat exchanger system
CN103542693A (zh) * 2012-07-12 2014-01-29 中国石油天然气股份有限公司 大型乙烯装置的乙烯深冷分离方法
US20140075986A1 (en) * 2012-09-18 2014-03-20 Woodside Energy Technologies Pty Ltd. Production of ethane for start-up of an lng train
EP2857782A1 (en) 2013-10-04 2015-04-08 Shell International Research Maatschappij B.V. Coil wound heat exchanger and method of cooling a process stream
WO2019118670A1 (en) * 2017-12-15 2019-06-20 Saudi Arabian Oil Company Process integration for natural gas liquid recovery
WO2020225096A1 (en) * 2019-05-03 2020-11-12 Shell Internationale Research Maatschappij B.V. Method and system for controlling refrigerant composition in case of gas tube leaks in a heat exchanger
US11460244B2 (en) * 2016-06-30 2022-10-04 Baker Hughes Oilfield Operations Llc System and method for producing liquefied natural gas
RU2805608C2 (ru) * 2019-05-03 2023-10-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ и система управления составом хладагента в случае утечек из трубы для газа в теплообменнике

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30085E (en) * 1965-03-31 1979-08-28 Compagnie Francaise D'etudes Et De Construction Technip Method and apparatus for the coding and low temperature liquefaction of gaseous mixtures
JPS5440512B1 (ko) * 1968-11-04 1979-12-04
US3581511A (en) * 1969-07-15 1971-06-01 Inst Gas Technology Liquefaction of natural gas using separated pure components as refrigerants
FR2085216B2 (ko) * 1970-02-12 1973-08-10 Technip Cie
FR2217648B1 (ko) * 1973-02-12 1976-05-14 Inst Francais Du Petrole
DE2438443C2 (de) * 1974-08-09 1984-01-26 Linde Ag, 6200 Wiesbaden Verfahren zum Verflüssigen von Erdgas
DE2631134A1 (de) * 1976-07-10 1978-01-19 Linde Ag Verfahren zur verfluessigung von luft oder lufthauptbestandteilen
JPS6124967A (ja) * 1984-07-13 1986-02-03 大同酸素株式会社 高純度窒素ガス製造装置
JPS6124968A (ja) * 1984-07-13 1986-02-03 大同酸素株式会社 高純度窒素ガス製造装置
US4970867A (en) * 1989-08-21 1990-11-20 Air Products And Chemicals, Inc. Liquefaction of natural gas using process-loaded expanders
FR2679635B1 (fr) * 1991-07-26 1993-10-15 Air Liquide Circuit de compression d'un fluide gazeux a basse pression et a basse temperature.
FR2725503B1 (fr) * 1994-10-05 1996-12-27 Inst Francais Du Petrole Procede et installation de liquefaction du gaz naturel
US6347531B1 (en) * 1999-10-12 2002-02-19 Air Products And Chemicals, Inc. Single mixed refrigerant gas liquefaction process
US6347532B1 (en) * 1999-10-12 2002-02-19 Air Products And Chemicals, Inc. Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperatures
EP1367350B2 (en) * 2002-05-27 2012-10-24 Air Products And Chemicals, Inc. Coil wound heat exchanger
US20080141711A1 (en) * 2006-12-18 2008-06-19 Mark Julian Roberts Hybrid cycle liquefaction of natural gas with propane pre-cooling
NO329177B1 (no) * 2007-06-22 2010-09-06 Kanfa Aragon As Fremgangsmåte og system til dannelse av flytende LNG
US8555672B2 (en) * 2009-10-22 2013-10-15 Battelle Energy Alliance, Llc Complete liquefaction methods and apparatus
US9574713B2 (en) 2007-09-13 2017-02-21 Battelle Energy Alliance, Llc Vaporization chambers and associated methods
US9254448B2 (en) 2007-09-13 2016-02-09 Battelle Energy Alliance, Llc Sublimation systems and associated methods
US9217603B2 (en) 2007-09-13 2015-12-22 Battelle Energy Alliance, Llc Heat exchanger and related methods
US10655911B2 (en) 2012-06-20 2020-05-19 Battelle Energy Alliance, Llc Natural gas liquefaction employing independent refrigerant path
CA3140415A1 (en) 2013-03-15 2014-09-18 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US11428463B2 (en) 2013-03-15 2022-08-30 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US11408673B2 (en) 2013-03-15 2022-08-09 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
DE102015002443A1 (de) * 2015-02-26 2016-09-01 Linde Aktiengesellschaft Verfahren zum Verflüssigen von Erdgas
AR105277A1 (es) * 2015-07-08 2017-09-20 Chart Energy & Chemicals Inc Sistema y método de refrigeración mixta
EP3162870A1 (en) 2015-10-27 2017-05-03 Linde Aktiengesellschaft Low-temperature mixed-refrigerant for hydrogen precooling in large scale
US20180066888A1 (en) * 2016-08-29 2018-03-08 Stanislav Sinatov Method for Electrical Energy Storage with Co-production of Liquefied Methaneous Gas
US10655913B2 (en) * 2016-09-12 2020-05-19 Stanislav Sinatov Method for energy storage with co-production of peaking power and liquefied natural gas
US10731795B2 (en) * 2017-08-28 2020-08-04 Stanislav Sinatov Method for liquid air and gas energy storage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302989A (fr) * 1961-06-01 1962-09-07 Air Liquide Procédé de refroidissement d'un mélange gazeux à basse température
US3205669A (en) * 1960-08-15 1965-09-14 Phillips Petroleum Co Recovery of natural gas liquids, helium concentrate, and pure nitrogen
US3315477A (en) * 1964-07-15 1967-04-25 Conch Int Methane Ltd Cascade cycle for liquefaction of natural gas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364685A (en) * 1965-03-31 1968-01-23 Cie Francaise D Etudes Et De C Method and apparatus for the cooling and low temperature liquefaction of gaseous mixtures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205669A (en) * 1960-08-15 1965-09-14 Phillips Petroleum Co Recovery of natural gas liquids, helium concentrate, and pure nitrogen
FR1302989A (fr) * 1961-06-01 1962-09-07 Air Liquide Procédé de refroidissement d'un mélange gazeux à basse température
US3315477A (en) * 1964-07-15 1967-04-25 Conch Int Methane Ltd Cascade cycle for liquefaction of natural gas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Progress in Refrigeration Science and Technology, Vol. 1 1960 Permagon Press. pp 34 39 *

Cited By (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30140E (en) * 1961-06-01 1979-11-06 Compagnie Francaise D'etudes Et De Construction Technip Method for cooling a gaseous mixture to a low temperature
USRE29914E (en) * 1965-03-31 1979-02-20 Compagnie Francaise D'etudes Et De Construction Technip Method and apparatus for the cooling and low temperature liquefaction of gaseous mixtures
US3742721A (en) * 1970-01-08 1973-07-03 Technip Cie Method of regulation of the temperature of the liquefied gas or gaseous mixture in an apparatus for the liquefaction of gaseous fluids
US3884044A (en) * 1970-02-09 1975-05-20 Exxon Research Engineering Co Mixed refrigerant cycle
US3884045A (en) * 1970-02-09 1975-05-20 Exxon Research Engineering Co Mixed refrigerant cycle
US3957473A (en) * 1970-02-09 1976-05-18 Stark Thomas M Mixed refrigerant cycle
US3855810A (en) * 1972-02-11 1974-12-24 Linde Ag One flow cascade cycle with buffer volume bypass
US3932154A (en) * 1972-06-08 1976-01-13 Chicago Bridge & Iron Company Refrigerant apparatus and process using multicomponent refrigerant
US3898857A (en) * 1972-09-22 1975-08-12 Teal Soc Process for regulating the quantity of cold delivered by a refrigerating installation
US4251247A (en) * 1974-05-31 1981-02-17 Compagnie Francaise D'etudes Et De Construction Technip Method and apparatus for cooling a gaseous mixture
US4065278A (en) * 1976-04-02 1977-12-27 Air Products And Chemicals, Inc. Process for manufacturing liquefied methane
US4814152A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for removing mercury vapor and chemisorbent composition therefor
US4813987A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for the liquefaction of natural gas
US4813986A (en) * 1987-10-13 1989-03-21 Mobil Oil Corporation Process for the low temperature deriming of cryogenic heat exchangers
US4859491A (en) * 1987-10-13 1989-08-22 Mobil Oil Corporation Process for repairing a cryogenic heat exchanger
US4828591A (en) * 1988-08-08 1989-05-09 Mobil Oil Corporation Method and apparatus for the liquefaction of natural gas
ES2170630A1 (es) * 1997-06-20 2002-08-01 Exxonmobil Upstream Res Co "procedimiento mejorado de refrigeracion con varios componentes para licuar gas natural".
EP0988497A4 (en) * 1997-06-20 2002-05-15 Exxonmobil Upstream Res Co IMPROVED MULTIPLE CONSTITUENT REFRIGERATION PROCESS FOR LIQUEFYING NATURAL GAS
US5950453A (en) * 1997-06-20 1999-09-14 Exxon Production Research Company Multi-component refrigeration process for liquefaction of natural gas
EP0988497A1 (en) * 1997-06-20 2000-03-29 Exxon Production Research Company Improved multi-component refrigeration process for liquefaction of natural gas
US6250105B1 (en) 1998-12-18 2001-06-26 Exxonmobil Upstream Research Company Dual multi-component refrigeration cycles for liquefaction of natural gas
US20040069015A1 (en) * 2001-02-26 2004-04-15 Henri Paradowski Method for ethane recovery, using a refrigeration cycle with a mixture of at least two coolants, gases obtained by said method, and installation therefor
US7234321B2 (en) * 2001-08-21 2007-06-26 Gasconsult Limited Method for liquefying methane-rich gas
GB2393504A (en) * 2001-08-21 2004-03-31 Gasconsult Ltd Method for liquefying methane-rich gas
WO2003019095A1 (en) * 2001-08-21 2003-03-06 Gasconsult Limited Method for liquefying methane-rich gas
US20040255616A1 (en) * 2001-08-21 2004-12-23 Maunder Anthony D. Method for liquefying methane-rich gas
GB2393504B (en) * 2001-08-21 2005-05-18 Gasconsult Ltd Method for liquefying methane-rich gas
US6658892B2 (en) 2002-01-30 2003-12-09 Exxonmobil Upstream Research Company Processes and systems for liquefying natural gas
WO2003064946A1 (en) * 2002-01-30 2003-08-07 Exxonmobil Upstream Research Company Processes and systems for liquefying natural gas
US7143606B2 (en) * 2002-11-01 2006-12-05 L'air Liquide-Societe Anonyme A'directoire Et Conseil De Surveillance Pour L'etide Et L'exploitation Des Procedes Georges Claude Combined air separation natural gas liquefaction plant
US20040083756A1 (en) * 2002-11-01 2004-05-06 Jean-Pierre Tranier Combined air separation natural gas liquefaction plant
US7082787B2 (en) 2004-03-09 2006-08-01 Bp Corporation North America Inc. Refrigeration system
US20050198998A1 (en) * 2004-03-09 2005-09-15 Guang-Chung Lee Refrigeration system
US20100058802A1 (en) * 2006-11-01 2010-03-11 Einar Brendeng Method for liquefaction of gas
US8806891B2 (en) 2006-11-01 2014-08-19 Sinvent As Method for liquefaction of gas
DE102009015411A1 (de) 2009-03-27 2010-10-07 Marine-Service Gmbh Verfahren und Einrichtung zum Betrieb einer Antriebsmaschine für ein Schiff zum Transport von Flüssiggas
US20120247147A1 (en) * 2011-03-29 2012-10-04 Linde Aktiengesellschaft Heat exchanger system
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CN103542693A (zh) * 2012-07-12 2014-01-29 中国石油天然气股份有限公司 大型乙烯装置的乙烯深冷分离方法
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US10060674B2 (en) * 2012-09-18 2018-08-28 Woodside Energy Technologies Pty Ltd. Production of ethane for start-up of an LNG train
US20140075986A1 (en) * 2012-09-18 2014-03-20 Woodside Energy Technologies Pty Ltd. Production of ethane for start-up of an lng train
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MY7000139A (en) 1970-12-31
GB1135871A (en) 1968-12-04
US3645106A (en) 1972-02-29

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