DE3462945D1 - Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas - Google Patents

Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas

Info

Publication number
DE3462945D1
DE3462945D1 DE8484400906T DE3462945T DE3462945D1 DE 3462945 D1 DE3462945 D1 DE 3462945D1 DE 8484400906 T DE8484400906 T DE 8484400906T DE 3462945 T DE3462945 T DE 3462945T DE 3462945 D1 DE3462945 D1 DE 3462945D1
Authority
DE
Germany
Prior art keywords
liquefaction
gas
cooling
boiling point
low boiling
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8484400906T
Other languages
English (en)
Inventor
Henri Paradowski
Didier Leroux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Francaise dEtudes et de Construction Technip SA
Technip Energies France SAS
Original Assignee
Francaise dEtudes et de Construction Technip SA
Technip SA
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 Francaise dEtudes et de Construction Technip SA, Technip SA filed Critical Francaise dEtudes et de Construction Technip SA
Application granted granted Critical
Publication of DE3462945D1 publication Critical patent/DE3462945D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F25J1/0262—Details of the cold heat exchange system
    • F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • 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
    • 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
    • F25J1/0214—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
    • 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.
    • F25J1/0292—Refrigerant compression by cold or cryogenic suction of the refrigerant 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
    • F25J1/0243—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.
    • F25J1/0295—Shifting of the compression load between different cooling stages within a refrigerant cycle or within a cascade refrigeration 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
    • 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
    • F25J2220/62—Separating low boiling components, e.g. He, H2, N2, Air
    • 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

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)
DE8484400906T 1983-05-06 1984-05-03 Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas Expired DE3462945D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8307620A FR2545589B1 (fr) 1983-05-06 1983-05-06 Procede et appareil de refroidissement et liquefaction d'au moins un gaz a bas point d'ebullition, tel que par exemple du gaz naturel

Publications (1)

Publication Number Publication Date
DE3462945D1 true DE3462945D1 (en) 1987-05-07

Family

ID=9288670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484400906T Expired DE3462945D1 (en) 1983-05-06 1984-05-03 Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas

Country Status (13)

Country Link
US (1) US4539028A (de)
EP (1) EP0125980B1 (de)
JP (1) JPH0627618B2 (de)
AU (1) AU560904B2 (de)
CA (1) CA1226206A (de)
DE (1) DE3462945D1 (de)
ES (1) ES8502536A1 (de)
FR (1) FR2545589B1 (de)
IN (1) IN161272B (de)
MY (1) MY101481A (de)
NO (1) NO159683C (de)
OA (1) OA07764A (de)
SU (1) SU1627097A3 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180921B (en) * 1985-09-25 1990-01-24 Sanyo Electric Co Refrigeration system
US4911741A (en) * 1988-09-23 1990-03-27 Davis Robert N Natural gas liquefaction process using low level high level and absorption refrigeration cycles
FR2681859B1 (fr) * 1991-09-30 1994-02-11 Technip Cie Fse Etudes Const Procede de liquefaction de gaz naturel.
US5271231A (en) * 1992-08-10 1993-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same
US5615561A (en) * 1994-11-08 1997-04-01 Williams Field Services Company LNG production in cryogenic natural gas processing plants
FR2743140B1 (fr) * 1995-12-28 1998-01-23 Inst Francais Du Petrole Procede et dispositif de liquefaction en deux etapes d'un melange gazeux tel qu'un gaz naturel
US5657643A (en) * 1996-02-28 1997-08-19 The Pritchard Corporation Closed loop single mixed refrigerant process
US5746066A (en) * 1996-09-17 1998-05-05 Manley; David B. Pre-fractionation of cracked gas or olefins fractionation by one or two mixed refrigerant loops and cooling water
US6659730B2 (en) * 1997-11-07 2003-12-09 Westport Research Inc. High pressure pump system for supplying a cryogenic fluid from a storage tank
US6446465B1 (en) * 1997-12-11 2002-09-10 Bhp Petroleum Pty, Ltd. Liquefaction process and apparatus
US6119479A (en) 1998-12-09 2000-09-19 Air Products And Chemicals, Inc. Dual mixed refrigerant cycle for gas liquefaction
MY117548A (en) 1998-12-18 2004-07-31 Exxon Production Research Co Dual multi-component refrigeration cycles for liquefaction of natural gas
US6471694B1 (en) 2000-08-09 2002-10-29 Cryogen, Inc. Control system for cryosurgery
US7004936B2 (en) * 2000-08-09 2006-02-28 Cryocor, Inc. Refrigeration source for a cryoablation catheter
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
FR2821351B1 (fr) * 2001-02-26 2003-05-16 Technip Cie Procede de recuperation d'ethane, mettant en oeuvre un cycle de refrigeration utilisant un melange d'au moins deux fluides refrigerants, gaz obtenus par ce procede, et installation de mise en oeuvre
US6640586B1 (en) * 2002-11-01 2003-11-04 Conocophillips Company Motor driven compressor system for natural gas liquefaction
US20080006053A1 (en) * 2003-09-23 2008-01-10 Linde Ag Natural Gas Liquefaction Process
DE102004011481A1 (de) * 2004-03-09 2005-09-29 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes
US7727228B2 (en) 2004-03-23 2010-06-01 Medtronic Cryocath Lp Method and apparatus for inflating and deflating balloon catheters
US8491636B2 (en) 2004-03-23 2013-07-23 Medtronic Cryopath LP Method and apparatus for inflating and deflating balloon catheters
CN100344872C (zh) * 2004-06-11 2007-10-24 中国科学院理化技术研究所 高真空深冷水汽捕集器
KR101301024B1 (ko) * 2004-06-23 2013-08-29 엑손모빌 업스트림 리서치 캄파니 혼합 냉매 액화 공정
US8206345B2 (en) 2005-03-07 2012-06-26 Medtronic Cryocath Lp Fluid control system for a medical device
WO2008049821A2 (en) * 2006-10-23 2008-05-02 Shell Internationale Research Maatschappij B.V. Method and apparatus for liquefying hydrocarbon streams
WO2008058926A2 (en) * 2006-11-14 2008-05-22 Shell Internationale Research Maatschappij B.V. Method and apparatus for cooling a hydrocarbon stream
DE102007006370A1 (de) * 2007-02-08 2008-08-14 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes
AU2009316236B2 (en) * 2008-11-17 2013-05-02 Woodside Energy Limited Power matched mixed refrigerant compression circuit
FR2957407B1 (fr) * 2010-03-15 2012-08-17 Inst Francais Du Petrole Procede de liquefaction d'un gaz naturel avec des melanges refrigerants contenant au moins un hydrocarbure insature
US9562717B2 (en) 2010-03-25 2017-02-07 The University Of Manchester Refrigeration process
WO2013096464A1 (en) * 2011-12-20 2013-06-27 Conocophillips Company Liquefying natural gas in a motion environment
CN103322769B (zh) * 2012-03-20 2015-07-08 中国海洋石油总公司 一种基荷型天然气液化工厂的级联式液化系统
DE102013016695A1 (de) * 2013-10-08 2015-04-09 Linde Aktiengesellschaft Verfahren zum Verflüssigen einer Kohlenwasserstoff-reichen Fraktion
WO2016094168A1 (en) * 2014-12-12 2016-06-16 Dresser-Rand Company System and method for liquefaction of natural gas
RU2601670C1 (ru) * 2015-07-22 2016-11-10 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) Холодильная машина
US11262123B2 (en) 2017-12-15 2022-03-01 Saudi Arabian Oil Company Process integration for natural gas liquid recovery

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292203A1 (fr) * 1974-11-21 1976-06-18 Technip Cie Procede et installation pour la liquefaction d'un gaz a bas point d'ebullition
FR2471566B1 (fr) * 1979-12-12 1986-09-05 Technip Cie Procede et systeme de liquefaction d'un gaz a bas point d'ebullition
FR2499226B1 (fr) * 1981-02-05 1985-09-27 Air Liquide Procede et installation de liquefaction d'un gaz

Also Published As

Publication number Publication date
US4539028A (en) 1985-09-03
AU560904B2 (en) 1987-04-16
EP0125980B1 (de) 1987-04-01
EP0125980A3 (en) 1984-12-27
EP0125980A2 (de) 1984-11-21
AU2746084A (en) 1984-11-08
FR2545589B1 (fr) 1985-08-30
NO841803L (no) 1984-11-07
IN161272B (de) 1987-11-07
CA1226206A (en) 1987-09-01
NO159683B (no) 1988-10-17
MY101481A (en) 1991-11-18
ES532222A0 (es) 1985-01-01
JPS6099982A (ja) 1985-06-03
NO159683C (no) 1989-01-25
JPH0627618B2 (ja) 1994-04-13
OA07764A (fr) 1985-08-30
FR2545589A1 (fr) 1984-11-09
SU1627097A3 (ru) 1991-02-07
ES8502536A1 (es) 1985-01-01

Similar Documents

Publication Publication Date Title
DE3462945D1 (en) Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas
GB2147984B (en) A process for the liquefaction of natural gas
EP0131947A3 (en) Double mixed refrigerant liquefaction process for natural gas
AU1415983A (en) Process for liquiefied natural gas
GB2020408B (en) Method of liquefying natural gas
OA08035A (fr) Procédé de refroidissement et de liquéfaction de gaz à bas point d'ébullition.
GB2041505B (en) Method and system for producing and transporting natural gas
EP0090469A3 (en) Process to separate nitrogen from natural gas
DE3368758D1 (en) Process for liquefying methane
NZ218914A (en) Process for separating the components of natural gas
JPS56100279A (en) Method and device for liquefying low boilinggpoint gas
DE3573832D1 (en) Process and apparatus for cryogenic cooling
DE3279654D1 (en) Recovery of power from vaporization of liquefied natural gas
GB2146038B (en) Process for purifying natural gas
GB2105355B (en) Gas phase method for producing copolymers of ethylene and higher alpha-olefins
DE3460005D1 (en) Fluid cooling process and plant, in particular for liquefying natural gas
JPS57165611A (en) Method of and apparatus for recovering energy by vaporization of liquified natural gas
GB2062111B (en) Recovering energy from liquefied natural gas
GB2103645B (en) Process for the removal of co2 and, if present h2s from a gas mixture
DE3560690D1 (en) Method of liquefying a gas and liquefier for carrying out the method
ZA828482B (en) Combined gas and steam turbine process
GB8400060D0 (en) Cryogenic process
JPS5677673A (en) Lowwtemperature liquefying separating method for carbonic acid gas
EP0122113A3 (en) Method and arrangement for operating a cooling plant
MTP913B (en) Cryogenic process for fracionally removing audie gases from gas mixtures

Legal Events

Date Code Title Description
8364 No opposition during term of opposition