WO2008017786A3 - Unité et procédé de déazotation de gaz naturel - Google Patents

Unité et procédé de déazotation de gaz naturel Download PDF

Info

Publication number
WO2008017786A3
WO2008017786A3 PCT/FR2007/051786 FR2007051786W WO2008017786A3 WO 2008017786 A3 WO2008017786 A3 WO 2008017786A3 FR 2007051786 W FR2007051786 W FR 2007051786W WO 2008017786 A3 WO2008017786 A3 WO 2008017786A3
Authority
WO
WIPO (PCT)
Prior art keywords
methane
denitrogenation
unit
natural gas
separated
Prior art date
Application number
PCT/FR2007/051786
Other languages
English (en)
Other versions
WO2008017786A2 (fr
Inventor
Arthur Darde
Original Assignee
Air Liquide
Arthur Darde
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 Liquide, Arthur Darde filed Critical Air Liquide
Publication of WO2008017786A2 publication Critical patent/WO2008017786A2/fr
Publication of WO2008017786A3 publication Critical patent/WO2008017786A3/fr

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
    • 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
    • F25J3/0204—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 feed stream
    • F25J3/0209—Natural gas or substitute 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
    • 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
    • F25J3/0233—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 CnHm with 1 carbon atom or more
    • 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
    • F25J3/0257—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 nitrogen
    • 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
    • F25J2210/04—Mixing or blending of fluids with 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
    • 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
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
    • 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
    • F25J2280/00—Control of the process or apparatus
    • F25J2280/02—Control in general, load changes, different modes ("runs"), measurements

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)

Abstract

Dans un procédé de déazotation d'un mélange gazeux comprenant au moins du méthane et de l'azote, le mélange (1) est séparé pour former un gaz (5) enrichi en azote et un liquide (7) enrichi en méthane et une partie (13) du liquide enrichi en méthane est vaporisée pour former un gaz riche en méthane et au moins une partie du gaz riche en méthane est recyclée au mélange gazeux à séparer si la teneur en azote du mélange à séparer dépasse un certain seuil.
PCT/FR2007/051786 2006-08-09 2007-08-06 Unité et procédé de déazotation de gaz naturel WO2008017786A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0653331A FR2904869B1 (fr) 2006-08-09 2006-08-09 Unite et procede de deazotation de gaz naturel
FR0653331 2006-08-09

Publications (2)

Publication Number Publication Date
WO2008017786A2 WO2008017786A2 (fr) 2008-02-14
WO2008017786A3 true WO2008017786A3 (fr) 2009-03-19

Family

ID=37909630

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2007/051786 WO2008017786A2 (fr) 2006-08-09 2007-08-06 Unité et procédé de déazotation de gaz naturel

Country Status (2)

Country Link
FR (1) FR2904869B1 (fr)
WO (1) WO2008017786A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009009477A1 (de) * 2009-02-19 2010-08-26 Linde Aktiengesellschaft Verfahren zum Abtrennen von Stickstoff

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716332A (en) * 1950-04-20 1955-08-30 Koppers Co Inc Systems for separating nitrogen from natural gas
US4238211A (en) * 1978-11-20 1980-12-09 Helix Technology Corporation Method of employing a first contaminant to prevent freeze-out of a second contaminant during cryogenic processing of a gaseous stream
DE3822175A1 (de) * 1988-06-30 1990-01-04 Linde Ag Verfahren zum entfernen von stickstoff aus stickstoffhaltigem erdgas
DE19919932A1 (de) * 1999-04-30 2000-11-02 Linde Ag Verfahren zum Gewinnen einer Reinmethanfraktion
DE10106484A1 (de) * 2001-02-13 2002-08-14 Linde Ag Verfahren zum gleichzeitigen Gewinnen einer Helium- und einer Stickstoff-Reinfraktion
DE10215125A1 (de) * 2002-04-05 2003-10-16 Linde Ag Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-enthaltenden Kohlenwasserstoff-reichen Fraktion
US20040103687A1 (en) * 2002-09-06 2004-06-03 Clare Stephen Roger Nitrogen rejection method and apparatus
US20060065119A1 (en) * 2004-08-23 2006-03-30 Landrum J M Electricity generation system
DE102005008059A1 (de) * 2005-02-22 2006-08-31 Linde Ag Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-enthaltenden Kohlenwasserstoff-reichen Fraktion

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716332A (en) * 1950-04-20 1955-08-30 Koppers Co Inc Systems for separating nitrogen from natural gas
US4238211A (en) * 1978-11-20 1980-12-09 Helix Technology Corporation Method of employing a first contaminant to prevent freeze-out of a second contaminant during cryogenic processing of a gaseous stream
DE3822175A1 (de) * 1988-06-30 1990-01-04 Linde Ag Verfahren zum entfernen von stickstoff aus stickstoffhaltigem erdgas
DE19919932A1 (de) * 1999-04-30 2000-11-02 Linde Ag Verfahren zum Gewinnen einer Reinmethanfraktion
DE10106484A1 (de) * 2001-02-13 2002-08-14 Linde Ag Verfahren zum gleichzeitigen Gewinnen einer Helium- und einer Stickstoff-Reinfraktion
DE10215125A1 (de) * 2002-04-05 2003-10-16 Linde Ag Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-enthaltenden Kohlenwasserstoff-reichen Fraktion
US20040103687A1 (en) * 2002-09-06 2004-06-03 Clare Stephen Roger Nitrogen rejection method and apparatus
US20060065119A1 (en) * 2004-08-23 2006-03-30 Landrum J M Electricity generation system
DE102005008059A1 (de) * 2005-02-22 2006-08-31 Linde Ag Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-enthaltenden Kohlenwasserstoff-reichen Fraktion

Also Published As

Publication number Publication date
WO2008017786A2 (fr) 2008-02-14
FR2904869A1 (fr) 2008-02-15
FR2904869B1 (fr) 2008-11-07

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