NO20030581L - Fremgangsmåte for flytendegjöring og denitrogenering av naturgass samt installasjon for gennomföring av fremgangsmåten - Google Patents

Fremgangsmåte for flytendegjöring og denitrogenering av naturgass samt installasjon for gennomföring av fremgangsmåten

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Publication number
NO20030581L
NO20030581L NO20030581A NO20030581A NO20030581L NO 20030581 L NO20030581 L NO 20030581L NO 20030581 A NO20030581 A NO 20030581A NO 20030581 A NO20030581 A NO 20030581A NO 20030581 L NO20030581 L NO 20030581L
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NO
Norway
Prior art keywords
natural gas
denitrogenation
liquefaction
carrying
installation
Prior art date
Application number
NO20030581A
Other languages
English (en)
Other versions
NO20030581D0 (no
Inventor
Henri Paradowski
Original Assignee
Technip Coflexip
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Filing date
Publication date
Application filed by Technip Coflexip filed Critical Technip Coflexip
Publication of NO20030581D0 publication Critical patent/NO20030581D0/no
Publication of NO20030581L publication Critical patent/NO20030581L/no

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/028—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of noble gases
    • F25J3/029—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of noble gases of helium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/004—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by flash gas recovery
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    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
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    • F25J1/0217—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 at least a three level refrigeration cascade with at least one MCR cycle
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
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    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
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    • F25J1/0281—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
    • F25J1/0284—Electrical motor as the prime mechanical driver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/927—Natural gas from nitrogen

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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Abstract

Det beskrives en fremgangsmåte for flytendegjøring og denitrogenering av naturgass, et system for gjennomføring av fremgangsmåten samt de gasser som oppnås ved separeringen. Det beskrives således en fremgangsmåte for flytendegj øring og denitrogenering av naturgass (1) inneholdende nitrogen, der naturgassen (1) avkjøles, gjøres flytende og separeres i en første toppfraksjon (9) som er relativt mer flyktig og anriket på nitrogen, og en første bunnfraksjon (15). Ved fremgangsmåten blir den første toppfraksjonen (9) avkjølt og gjort flytende, separert i en andre toppfraksjon (11) som er relativt mer flyktig og som gir gassformig nitrogen (29), og en andre bunnfraksjon (12) som behandles på ny, og karakteriseres videre ved at den første bunnfraksjon (15) avkjøles for å gi flytendegjort naturgass som i det vesentlige er fri for nitrogen (24). Det beskrives andre utførelsesformer av fremgangsmåten.
NO20030581A 2001-07-04 2003-02-06 Fremgangsmåte for flytendegjöring og denitrogenering av naturgass samt installasjon for gennomföring av fremgangsmåten NO20030581L (no)

Applications Claiming Priority (2)

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FR0108883A FR2826969B1 (fr) 2001-07-04 2001-07-04 Procede de liquefaction et de deazotation de gaz naturel, installation de mise en oeuvre, et gaz obtenus par cette separation
PCT/FR2002/002242 WO2003004951A1 (fr) 2001-07-04 2002-06-27 Procede de liquefaction et de deazotation de gaz naturel, installation de mise en oeuvre

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WO2003004951A1 (fr) 2003-01-16
BR0205687B1 (pt) 2011-04-05
EA200200629A1 (ru) 2003-02-27
EP1273860A3 (fr) 2003-01-15
FR2826969A1 (fr) 2003-01-10
EP1273860A2 (fr) 2003-01-08
MY133472A (en) 2007-11-30
FR2826969B1 (fr) 2006-12-15
NO20030581D0 (no) 2003-02-06
US6449984B1 (en) 2002-09-17
EA004127B1 (ru) 2003-12-25
BR0205687A (pt) 2003-07-22

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