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RU2013118555A - TWO-STAGE MEMBRANE PROCESS - Google Patents

TWO-STAGE MEMBRANE PROCESS Download PDF

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Publication number
RU2013118555A
RU2013118555A RU2013118555/04A RU2013118555A RU2013118555A RU 2013118555 A RU2013118555 A RU 2013118555A RU 2013118555/04 A RU2013118555/04 A RU 2013118555/04A RU 2013118555 A RU2013118555 A RU 2013118555A RU 2013118555 A RU2013118555 A RU 2013118555A
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RU
Russia
Prior art keywords
stream
stage
gas
retant
permeate
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Application number
RU2013118555/04A
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Russian (ru)
Inventor
Шейн-Джер ДУН
Джордж К. КСОМЕРИ-ТАКИС
Том КНОП
Дэвид ФАРР
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Юоп Ллк
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Publication of RU2013118555A publication Critical patent/RU2013118555A/en

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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
    • B01D53/225—Multiple stage diffusion
    • B01D53/226—Multiple stage diffusion in serial connexion
    • 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
    • C10L3/101—Removal of contaminants
    • C10L3/102—Removal of contaminants of acid contaminants
    • 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
    • C10L3/101—Removal of contaminants
    • C10L3/106—Removal of contaminants of water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • B01D2256/245—Methane

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

1. Способ очистки углеводородного газа, включающий направление потока газа через мембранную установку первой стадии для получения потока ретанта первой стадии и потока пермеата первой стадии, компримирование части или всего указанного потока пермеата первой стадии компрессором для получения потока сжатого пермеата, направление указанного потока сжатого пермеата через мембранную установку второй стадии, имеющую первую зону и вторую зону, причем указанная мембранная установка второй стадии дает первый поток пермеата и первый поток ретанта, когда указанный поток сжатого пермеата проходит через указанную первую зону указанной мембранной установки второй стадии, и второй поток ретанта и второй поток пермеата, когда указанный поток сжатого пермеата проходит через указанную вторую зону указанной мембранной установки второй стадии.2. Способ по п.1, в котором указанный второй поток ретанта объединяют с указанным потоком газа.3. Способ по п.1, в котором указанный второй поток пермеата объединяют с указанным потоком пермеата первой стадии.4. Способ по п.1, в котором молярное количество углеводородов, не извлеченных из указанного потока газа в указанном потоке ретанта первой стадии составляет, по меньшей мере, на 5% меньше по сравнению с процессами известного уровня техники с эквивалентным энергопотреблением компрессора, причем указанный второй поток ретанта имеет более высокую концентрацию диоксида углерода, чем указанный поток газа.5. Способ по п.1, в котором указанный поток ретанта первой стадии содержит эквивалентное количество углеводородных газов, извлеченных из указанного потока газа, по сравнению с процес�1. A method of purifying a hydrocarbon gas, including directing a gas stream through a first stage membrane unit to obtain a first stage retant stream and a first stage permeate stream, compressing part or all of the first stage permeate stream with a compressor to produce a compressed permeate stream, directing said compressed permeate stream through a second stage membrane installation having a first zone and a second zone, said second stage membrane installation giving a first permeate stream and a first ret stream anta, when said compressed permeate stream passes through said first zone of said second stage membrane unit, and a second retentate stream and second permeate stream when said compressed permeate stream passes through said second zone of said second stage membrane unit. 2. The method of claim 1, wherein said second retant stream is combined with said gas stream. The method according to claim 1, wherein said second permeate stream is combined with said first stage permeate stream. The method according to claim 1, wherein the molar amount of hydrocarbons not recovered from said gas stream in said first stage retant stream is at least 5% less than prior art processes with equivalent compressor power consumption, said second stream the retant has a higher concentration of carbon dioxide than said gas stream. 5. The method according to claim 1, wherein said first-stage retant stream contains an equivalent amount of hydrocarbon gases extracted from said gas stream, compared to a process

Claims (10)

1. Способ очистки углеводородного газа, включающий направление потока газа через мембранную установку первой стадии для получения потока ретанта первой стадии и потока пермеата первой стадии, компримирование части или всего указанного потока пермеата первой стадии компрессором для получения потока сжатого пермеата, направление указанного потока сжатого пермеата через мембранную установку второй стадии, имеющую первую зону и вторую зону, причем указанная мембранная установка второй стадии дает первый поток пермеата и первый поток ретанта, когда указанный поток сжатого пермеата проходит через указанную первую зону указанной мембранной установки второй стадии, и второй поток ретанта и второй поток пермеата, когда указанный поток сжатого пермеата проходит через указанную вторую зону указанной мембранной установки второй стадии.1. A method of purifying a hydrocarbon gas, including directing a gas stream through a first stage membrane unit to obtain a first stage retant stream and a first stage permeate stream, compressing part or all of the first stage permeate stream with a compressor to produce a compressed permeate stream, directing said compressed permeate stream through a second stage membrane installation having a first zone and a second zone, said second stage membrane installation giving a first permeate stream and a first ret stream anta, when said compressed permeate stream passes through said first zone of said second stage membrane unit, and a second retentate stream and second permeate stream when said compressed permeate stream passes through said second zone of said second stage membrane unit. 2. Способ по п.1, в котором указанный второй поток ретанта объединяют с указанным потоком газа.2. The method according to claim 1, wherein said second retant stream is combined with said gas stream. 3. Способ по п.1, в котором указанный второй поток пермеата объединяют с указанным потоком пермеата первой стадии.3. The method according to claim 1, wherein said second permeate stream is combined with said first stage permeate stream. 4. Способ по п.1, в котором молярное количество углеводородов, не извлеченных из указанного потока газа в указанном потоке ретанта первой стадии составляет, по меньшей мере, на 5% меньше по сравнению с процессами известного уровня техники с эквивалентным энергопотреблением компрессора, причем указанный второй поток ретанта имеет более высокую концентрацию диоксида углерода, чем указанный поток газа.4. The method according to claim 1, wherein the molar amount of hydrocarbons not recovered from said gas stream in said first stage retant stream is at least 5% less than prior art processes with equivalent compressor power consumption, said the second retant stream has a higher concentration of carbon dioxide than said gas stream. 5. Способ по п.1, в котором указанный поток ретанта первой стадии содержит эквивалентное количество углеводородных газов, извлеченных из указанного потока газа, по сравнению с процессами известного уровня техники, с энергопотреблением указанного компрессора, по меньшей мере, на 5% меньше, чем в процессах известного уровня техники, причем указанный второй поток ретанта имеет более высокую концентрацию диоксида углерода, чем указанный поток газаа.5. The method according to claim 1, wherein said first-stage retant stream contains an equivalent amount of hydrocarbon gases extracted from said gas stream, compared with prior art processes, with the energy consumption of said compressor being at least 5% less than in prior art processes, said second retant stream having a higher concentration of carbon dioxide than said gas stream. 6. Способ по п.1, в котором общая площадь мембраны для достижения заданного извлечения углеводородов, по меньшей мере, на 5% ниже по сравнению с процессами известного уровня техники, причем указанный второй поток ретанта имеет более высокую концентрацию диоксида углерода, чем указанный поток газа.6. The method according to claim 1, wherein the total membrane area to achieve a given hydrocarbon recovery is at least 5% lower than prior art processes, said second retent stream having a higher concentration of carbon dioxide than said stream gas. 7. Способ по п.1, в котором указанный поток газа включает природный газ или другой газ, содержащий углеводороды.7. The method according to claim 1, wherein said gas stream comprises natural gas or another gas containing hydrocarbons. 8. Способ по п.1, в котором указанные потоки пермеата содержат, по меньшей мере, одну примесь, выбранную из группы, состоящей из диоксида углерода, сероводорода, гелия и воды.8. The method according to claim 1, wherein said permeate streams contain at least one impurity selected from the group consisting of carbon dioxide, hydrogen sulfide, helium and water. 9. Способ по п.1, в котором указанный поток ретанта первой стадии содержит, по меньшей мере, 95 мол.% казанного углеводородного газа из указанного потока газа.9. The method according to claim 1, wherein said first-stage retant stream contains at least 95 mol% of said hydrocarbon gas from said gas stream. 10. Способ по п.8, в котором указанная по меньшей мере одна примесь представляет собой диоксид углерода. 10. The method of claim 8, wherein said at least one impurity is carbon dioxide.
RU2013118555/04A 2010-09-29 2011-09-27 TWO-STAGE MEMBRANE PROCESS RU2013118555A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38749210P 2010-09-29 2010-09-29
US61/387,492 2010-09-29
PCT/US2011/053358 WO2012050816A2 (en) 2010-09-29 2011-09-27 Two-stage membrane process

Publications (1)

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RU2013118555A true RU2013118555A (en) 2014-10-27

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CN (1) CN103140571A (en)
AU (1) AU2011314136B2 (en)
BR (1) BR112013006542A2 (en)
RU (1) RU2013118555A (en)
WO (1) WO2012050816A2 (en)

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US9375677B2 (en) * 2013-02-26 2016-06-28 Air Liquide Advanced Technologies U.S. Llc Helium recovery from natural gas
CN104001408B (en) * 2013-02-26 2018-04-27 乔治洛德方法研究和开发液化空气有限公司 Helium is recycled by natural gas
FR3010640B1 (en) * 2013-09-16 2015-09-04 Air Liquide PROCESS FOR FINAL PURIFICATION OF BIOGAS TO PRODUCE BIOMETHANE
RU2561072C2 (en) * 2013-10-10 2015-08-20 Закрытое Акционерное Общество "БЮРО ИНВЕСТ" Method of helium recovery from natural gas
US20150182908A1 (en) 2013-12-30 2015-07-02 L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude Method of recoverying a low concentration gas using two membrane stages with a second stage reflux
US20150299596A1 (en) * 2014-03-12 2015-10-22 Rustam H. Sethna Methods for removing contaminants from natural gas
US9433888B2 (en) 2014-12-29 2016-09-06 L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude Three stage membrane separation with partial reflux
US9662609B2 (en) 2015-04-14 2017-05-30 Uop Llc Processes for cooling a wet natural gas stream
US10427094B2 (en) * 2015-07-16 2019-10-01 Cameron Solutions, Inc. Process design for acid gas removal
US20190184332A1 (en) * 2017-12-15 2019-06-20 Uop Llc Helium purity adjustment in a membrane system
EP3513863A1 (en) 2018-01-22 2019-07-24 Linde Aktiengesellschaft Method and assembly for recovering pure helium
US10962283B2 (en) * 2018-09-13 2021-03-30 Air Products And Chemicals, Inc. Helium extraction from natural gas

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US5102432A (en) * 1990-12-10 1992-04-07 Union Carbide Industrial Gases Technology Corporation Three-stage membrane gas separation process and system
US5071451A (en) * 1990-12-28 1991-12-10 Membrane Technology & Research, Inc. Membrane process and apparatus for removing vapors from gas streams
US5256295A (en) * 1990-12-28 1993-10-26 Membrane Technology & Research Two-stage membrane process and apparatus
US7799964B2 (en) * 2006-04-04 2010-09-21 Exxonmobil Research And Engineering Company Membrane process for LPG recovery

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WO2012050816A2 (en) 2012-04-19
BR112013006542A2 (en) 2016-06-07
AU2011314136B2 (en) 2015-04-16
AU2011314136A1 (en) 2013-05-02
CN103140571A (en) 2013-06-05
WO2012050816A3 (en) 2012-06-14

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Effective date: 20151105