CA2543510A1 - A membrane/distillation method and system for extracting co2 from hydrocarbon gas - Google Patents

A membrane/distillation method and system for extracting co2 from hydrocarbon gas Download PDF

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Publication number
CA2543510A1
CA2543510A1 CA002543510A CA2543510A CA2543510A1 CA 2543510 A1 CA2543510 A1 CA 2543510A1 CA 002543510 A CA002543510 A CA 002543510A CA 2543510 A CA2543510 A CA 2543510A CA 2543510 A1 CA2543510 A1 CA 2543510A1
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stream
hydrocarbon
product
separating
hydrocarbon gas
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CA002543510A
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French (fr)
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CA2543510C (en
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David Parro
Edgar S. Sanders, Jr.
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Cameron Solutions Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic 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
    • F25J3/0204—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
    • F25J3/0266—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 carbon dioxide
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/76—Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration 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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/40—Processes or apparatus using other separation and/or other processing means using hybrid system, i.e. combining cryogenic and non-cryogenic separation techniques
    • 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
    • F25J2205/80—Processes or apparatus using other separation and/or other processing means using membrane, i.e. including a permeation 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/04—Recovery of liquid products
    • 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
    • F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
    • 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
    • F25J2235/80—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being carbon dioxide
    • 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/02—Internal refrigeration with liquid vaporising loop
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • 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
    • Y10S62/928—Recovery of carbon dioxide
    • Y10S62/929—From natural gas

Abstract

A method of separating CO2 from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges, including the steps of subjecting the inlet stream to fractional distillation providing a CO2 bottom product stream and a distillation overhead stream, passing the distillation overhead stream to the inlet of a primary reflux drum producing a primary reflux liquid stream and a hydrocarbon vapor stream, subjecting the hydrocarbon vapor stream to membrane separation to provide a hydrocarbon product stream and a permeate stream, compressing the permeate stream and recycling the compressed permeate stream to the inlet of the primary reflux drum thereby providing a CO2 liquid product and a hydrocarbon gas product.

Claims (18)

1. A method of separating CO2 from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges, comprising the steps of:

(a) subjecting the inlet stream to fractional distillation providing a CO2 bottom product stream and a distillation overhead stream;

(b) passing the distillation overhead stream to the inlet of a primacy reflux drum producing a primary reflux liquid stream and a hydrocarbon vapor stream;

(c) subjecting the hydrocarbon vapor stream from step (b) to membrane separation to provide a hydrocarbon product stream and a permeate stream;

(d) compressing the permeate stream from step (c) to provide a compressed permeate stream; and (e) recycling the compressed permeate stream from step (d) to said inlet of said primary reflux drum thereby providing a primary reflux liquid stream and a hydrocarbon gas product vapor stream.
2. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 1 including:

passing said CO2 bottom product stream from step (a) to a reboiler separator that provides a reboiler separator vapor stream directed to a bottom portion of said distillation column and a reboiler separator liquid stream.
3. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 2 wherein said CO2 bottom product stream from step (a) is pumped at increased pressure to said reboiler separator.
4. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 1, including the step of passing at least a portion of said reboiler separator liquid stream through a pressure reduction device to reduce the pressure thereof and adding heat thereto to provide a CO2 gas product.
5. A method of separating CO2 from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges comprising the steps of:

(a) subjecting the inlet stream to fractional distillation in a distillation column providing a CO2 bottom product stream and a distillation overhead stream;

(b) subjecting said distillation overhead stream of step (a) to membrane separation, providing a hydrocarbon gas product stream and a permeate stream;

(c) compressing said permeate stream to provide a compressed permeate stream; and (d) refluxing said compressed permeate stream from step (c) back into said distillation column.
6. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 5 in which step (d) is carried out by refluxing said compressed permeate stream from step (c) through a primary reflux drum having a primary reflux liquid stream outlet in communication with said distillation column.
7. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 5, including between steps (c) and (d) the additional step of passing said compressed permeate stream through a secondary reflux drum.
8. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 5 including:

subjecting at least a portion of said CO2 bottom product stream from step (a) to reduced pressure to provide a CO2 gas product.
9. A method of separating CO2 from a hydrocarbon gas inlet stream according to claim 8 including the step of:

passing a portion of said CO2 bottom product stream through a pressure reduction device through at least one heat exchanger used to adjust the temperature range of said hydrocarbon inlet stream.
10. A method of separating CO2 from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges, including the steps of:

(a) subjecting the inlet stream to a distillation column producing a bottom product stream and a distillation overhead stream;

(b) condensing said distillation overhead stream of step (a) in a primary reflux drum producing a primary reflux liquid stream and a hydrocarbon vapor stream;

(c) recycling said primary reflux liquid stream of step (b) to said distillation column as a reflux stream;

(d) separating said concentrated hydrocarbon vapor stream from step (b) by membrane separation into a hydrocarbon gas product stream and a permeate stream;

(e) compressing said permeate gas stream from step (d) to produce a compressed permeate stream;

(f) condensing said compressed permeate stream of step (e) to produce a primary reflux liquid stream that is conveyed to an upper portion of said distillation column;

(g) pumping said bottom product stream from step (a) to provide an elevated pressure liquid CO2 product; and (h) subjecting said bottom product stream of step (a) to a reboiler separator to produce a CO2 liquid product and a reboiler separator vapor stream that is recycled to a bottom portion of said distillation column.
11. A system for separating CO2 from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges, comprising:

a distillation column receiving the hydrocarbon gas inlet stream and providing a CO2 bottom product stream and a distillation overhead stream;

a primary reflux drum having an inlet receiving the distillation overhead stream and producing a primary reflux liquid stream and a hydrocarbon vapor stream;

a membrane unit receiving the hydrocarbon vapor stream from said primary reflux drum to provide a hydrocarbon gas product stream and a permeate stream;

a compressor receiving said permeate stream from said membrane unit to provide a compressed permeate stream; and piping to recycle said compressed permeate stream to said inlet of said primary reflux drum thereby providing a liquefied CO2 product and a hydrocarbon gas product.
12. A system of separating CO2 from a hydrocarbon gas inlet stream according to claim 11 including:

a reboiler separator having an inlet that receives said CO2 bottom product stream from said distillation column and that provides a reboiler separator vapor stream to a bottom portion of said distillation column and a CO2 liquid product.
13. A system for separating CO2 from a hydrocarbon gas inlet stream according to claim 11 including;

a CO2 bottom product pump in line with said CO2 bottom product stream to increase the pressure within said reboiler separator.
14. A system of separating CO2 from a hydrocarbon gas inlet stream according to claim 11 including a primary refrigerant pressure reduction device through which at least a portion of said CO2 liquid product from said reboiler separator is passed to reduce the pressure thereof and add heat thereto to provide a CO2 gas product.
15. A system for separating CO2 from a hydrocarbon gas inlet stream that is within prescribed pressure and temperature ranges comprising:

a distillation column for receiving and fractionally distilling the hydrocarbon gas inlet stream providing a CO2 liquid product and a distillation overhead stream;

a membrane unit receiving the distillation overhead stream and providing a hydrocarbon gas product and a permeate stream;

a compressor receiving the permeate stream and providing a compressed permeate stream; and a primary reflux drum receiving said compressed permeate stream providing a primary reflux liquid stream that is refluxed back into said distillation column.
16. A system for separating CO2 from a hydrocarbon stream according to claim including a secondary reflux drum that receives said compressed permeate stream and that provides a secondary reflux liquid stream that is refluxed to said distillation column.
17. A system for separating CO2 from a hydrocarbon stream according to claim including a primary refrigerant pressure reduction device through which at least a portion of said CO2 bottom product stream is passed to reduce the pressure thereof to provide a CO2 gas product.
18. A system for separating CO2 from a hydrocarbon inlet stream according to claim 17 including an inlet cross heat exchanger through which said CO2 gas product from said refrigerant pressure reduction device passes and through which the hydrocarbon inlet stream passes to thereby serve to adjust the temperature range of the hydrocarbon inlet stream.
CA2543510A 2003-10-30 2004-10-19 A membrane/distillation method and system for extracting co2 from hydrocarbon gas Expired - Fee Related CA2543510C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/697,380 2003-10-30
US10/697,380 US7124605B2 (en) 2003-10-30 2003-10-30 Membrane/distillation method and system for extracting CO2 from hydrocarbon gas
PCT/US2004/034590 WO2005044424A1 (en) 2003-10-30 2004-10-19 A membrane/distillation method and system for extracting co2 from hydrocarbon gas

Publications (2)

Publication Number Publication Date
CA2543510A1 true CA2543510A1 (en) 2005-05-19
CA2543510C CA2543510C (en) 2012-05-08

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CA2543510A Expired - Fee Related CA2543510C (en) 2003-10-30 2004-10-19 A membrane/distillation method and system for extracting co2 from hydrocarbon gas

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US (2) US7124605B2 (en)
EP (1) EP1680208B1 (en)
JP (1) JP2007509745A (en)
CA (1) CA2543510C (en)
NO (1) NO336144B1 (en)
WO (1) WO2005044424A1 (en)

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