FR3034428A1 - METHOD OF DESAZATING HIGH-FLOW NATURAL GAS - Google Patents

METHOD OF DESAZATING HIGH-FLOW NATURAL GAS Download PDF

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Publication number
FR3034428A1
FR3034428A1 FR1552781A FR1552781A FR3034428A1 FR 3034428 A1 FR3034428 A1 FR 3034428A1 FR 1552781 A FR1552781 A FR 1552781A FR 1552781 A FR1552781 A FR 1552781A FR 3034428 A1 FR3034428 A1 FR 3034428A1
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FR
France
Prior art keywords
natural gas
treated
extracted
gas
gaseous mixture
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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.)
Granted
Application number
FR1552781A
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French (fr)
Other versions
FR3034428B1 (en
Inventor
Michele Murino
Jean-Marc Peyron
Paul Terrien
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Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR1552781A priority Critical patent/FR3034428B1/en
Priority to MX2017012611A priority patent/MX2017012611A/en
Priority to PCT/FR2015/052632 priority patent/WO2016156675A1/en
Priority to US15/563,117 priority patent/US20180087833A1/en
Priority to AU2015388736A priority patent/AU2015388736B2/en
Priority to EA201792037A priority patent/EA035250B1/en
Publication of FR3034428A1 publication Critical patent/FR3034428A1/en
Application granted granted Critical
Publication of FR3034428B1 publication Critical patent/FR3034428B1/en
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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
    • F25J3/0228—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
    • 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
    • F25J3/0238—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 2 carbon atoms 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
    • 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
    • F25J2200/04—Processes or apparatus using separation by rectification in a dual 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
    • F25J2200/70—Refluxing the column with a condensed part of the feed stream, i.e. fractionator top is stripped or self-rectified
    • 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
    • F25J2200/78—Refluxing the column with a liquid stream originating from an upstream or downstream fractionator column
    • 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
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • 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
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/50—Arrangement of multiple equipments fulfilling the same process step in parallel

Abstract

Procédé de séparation des composants d'un mélange gazeux (1) à traiter comprenant du méthane, de l'azote et au moins un hydrocarbure ayant au moins deux atomes de carbone, ou un mélange de ces hydrocarbures, comprenant les étapes suivantes : a) Introduction d'un courant dudit mélange gazeux (1) à traiter à un débit supérieur ou égal à 2 000 000 Nm3/h dans une unité de déméthanisation comprenant N colonnes de déméthanisation (7) ; b) Condensation partielle d'un mélange gazeux (15), comprenant moins de 1 % molaire d'hydrocarbures ayant au moins deux atomes de carbone, extrait de l'unité de déméthanisation (7) pour obtenir un liquide (29) dont au moins une partie est traitée pour être extraite comme produit gaz naturel déazoté (30) et un second gaz (26) ; c) Introduction dudit second gaz (26) dans une unité de déazotation (31) comprenant N colonnes de déazotation dont on obtient un gaz (36) et un liquide (33) dont au moins une partie est traitée pour être extraite comme produit gaz naturel déazoté (30) ; caractérisé en ce que ledit gaz naturel déazoté (30) ainsi produit comprend moins de 5% molaire d'azote et en ce que N est supérieur ou égal à 3.A process for separating the components of a gaseous mixture (1) to be treated comprising methane, nitrogen and at least one hydrocarbon having at least two carbon atoms, or a mixture thereof, comprising the following steps: Introducing a stream of said gaseous mixture (1) to be treated at a flow rate greater than or equal to 2,000,000 Nm3 / h in a demethanizer unit comprising N demethanization columns (7); b) Partially condensing a gaseous mixture (15), comprising less than 1 mol% of hydrocarbons having at least two carbon atoms, extracted from the demethanizer unit (7) to obtain a liquid (29) of which at least a portion is treated to be extracted as a denitrogenated natural gas product (30) and a second gas (26); c) introducing said second gas (26) into a denitrogenation unit (31) comprising N denitrogenization columns from which a gas (36) and a liquid (33) are obtained, at least a portion of which is treated to be extracted as natural gas product denitrated (30); characterized in that said de-nitrogenized natural gas (30) thus produced comprises less than 5 mol% of nitrogen and that N is greater than or equal to 3.

FR1552781A 2015-04-01 2015-04-01 HIGH-THROUGHPUT NATURAL GAS DEAZOTATION PROCESS Active FR3034428B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1552781A FR3034428B1 (en) 2015-04-01 2015-04-01 HIGH-THROUGHPUT NATURAL GAS DEAZOTATION PROCESS
MX2017012611A MX2017012611A (en) 2015-04-01 2015-10-01 Process for removing nitrogen from high-flow natural gas.
PCT/FR2015/052632 WO2016156675A1 (en) 2015-04-01 2015-10-01 Process for removing nitrogen from high-flow natural gas
US15/563,117 US20180087833A1 (en) 2015-04-01 2015-10-01 Process for removing nitrogen from high-flow natural gas
AU2015388736A AU2015388736B2 (en) 2015-04-01 2015-10-01 Process for removing nitrogen from high-flow natural gas
EA201792037A EA035250B1 (en) 2015-04-01 2015-10-01 Process for removing nitrogen from high-flow natural gas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1552781 2015-04-01
FR1552781A FR3034428B1 (en) 2015-04-01 2015-04-01 HIGH-THROUGHPUT NATURAL GAS DEAZOTATION PROCESS

Publications (2)

Publication Number Publication Date
FR3034428A1 true FR3034428A1 (en) 2016-10-07
FR3034428B1 FR3034428B1 (en) 2020-01-10

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Family Applications (1)

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FR1552781A Active FR3034428B1 (en) 2015-04-01 2015-04-01 HIGH-THROUGHPUT NATURAL GAS DEAZOTATION PROCESS

Country Status (6)

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US (1) US20180087833A1 (en)
AU (1) AU2015388736B2 (en)
EA (1) EA035250B1 (en)
FR (1) FR3034428B1 (en)
MX (1) MX2017012611A (en)
WO (1) WO2016156675A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195979A (en) * 1978-05-12 1980-04-01 Phillips Petroleum Company Liquefaction of high pressure gas
DE10106484A1 (en) * 2001-02-13 2002-08-14 Linde Ag Simultaneous recovery of helium and nitrogen pure fractions from process stream containing methane, nitrogen and helium, involves partially condensing process stream, and further processing
US20070193303A1 (en) * 2004-06-18 2007-08-23 Exxonmobil Upstream Research Company Scalable capacity liquefied natural gas plant
US20090248174A1 (en) * 2008-03-28 2009-10-01 Saudi Arabian Oil Company Control method of refrigeration systems in gas plants with parallel trains

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687499A (en) * 1986-04-01 1987-08-18 Mcdermott International Inc. Process for separating hydrocarbon gas constituents
US4710212A (en) 1986-09-24 1987-12-01 Union Carbide Corporation Process to produce high pressure methane gas
US7234322B2 (en) * 2004-02-24 2007-06-26 Conocophillips Company LNG system with warm nitrogen rejection
DE102008056196A1 (en) * 2008-11-06 2010-05-12 Linde Ag Process for separating nitrogen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195979A (en) * 1978-05-12 1980-04-01 Phillips Petroleum Company Liquefaction of high pressure gas
DE10106484A1 (en) * 2001-02-13 2002-08-14 Linde Ag Simultaneous recovery of helium and nitrogen pure fractions from process stream containing methane, nitrogen and helium, involves partially condensing process stream, and further processing
US20070193303A1 (en) * 2004-06-18 2007-08-23 Exxonmobil Upstream Research Company Scalable capacity liquefied natural gas plant
US20090248174A1 (en) * 2008-03-28 2009-10-01 Saudi Arabian Oil Company Control method of refrigeration systems in gas plants with parallel trains

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HARPER E A ET AL: "TROUBLE FREE LNG", CHEMICAL ENGINEERING PROGRESS, AMERICAN INSTITUTE OF CHEMICAL ENGINEERS, NEW YORK, NY, US, vol. 71, no. 11, 1 January 1975 (1975-01-01), pages 75 - 79, XP009073630, ISSN: 0360-7275 *
HARVEY L VINES: "Upgrading Natural Gas", CHEMICAL ENGINEERING PROGRESS,, vol. 82, no. 11, 1 November 1986 (1986-11-01), pages 46 - 50, XP001269618 *
O'BRIEN JOHN V ET AL: "Continuous improvement in nitrogen rejection unit design", PROCEEDINGS, SEVENTY-SIXTH ANNUAL CONVENTION / GAS PROCESSORS ASSOCIATION : [SAN ANTONIO, TEXAS, MARCH 10 - 12, 1997],, vol. 76, 1 January 1997 (1997-01-01), pages 73 - 78, XP009166620 *
SCHOPFER G: "Cryogenic nitrogen rejection technology for current market developments", GASTECH 2011,, 22 March 2011 (2011-03-22), XP009153772 *

Also Published As

Publication number Publication date
EA035250B1 (en) 2020-05-20
WO2016156675A1 (en) 2016-10-06
AU2015388736A1 (en) 2017-11-09
AU2015388736B2 (en) 2021-05-13
MX2017012611A (en) 2018-01-09
EA201792037A1 (en) 2017-12-29
US20180087833A1 (en) 2018-03-29
FR3034428B1 (en) 2020-01-10

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