EP3252406A1 - Verflüssigungsverfahren von kohlendioxid aus einem erdgasstrom - Google Patents

Verflüssigungsverfahren von kohlendioxid aus einem erdgasstrom Download PDF

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Publication number
EP3252406A1
EP3252406A1 EP17171766.3A EP17171766A EP3252406A1 EP 3252406 A1 EP3252406 A1 EP 3252406A1 EP 17171766 A EP17171766 A EP 17171766A EP 3252406 A1 EP3252406 A1 EP 3252406A1
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EP
European Patent Office
Prior art keywords
natural gas
liquefaction
stream
unit
gas
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EP17171766.3A
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English (en)
French (fr)
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EP3252406B1 (de
Inventor
Pierre COSTA DE BEAUREGARD
Michele MURINO
Delphine PICHOT
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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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    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • 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
    • 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
    • F25J1/0047—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 an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/005—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 an "external" refrigerant stream in a closed vapor compression cycle by expansion of a gaseous refrigerant stream with extraction of work
    • 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
    • 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
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0027—Oxides of carbon, e.g. CO2
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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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    • 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
    • F25J1/0047—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 an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—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 an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
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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
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    • F25J1/0203—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle
    • F25J1/0204—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle as a single flow SCR cycle
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    • F25J1/02—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
    • F25J1/0211—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
    • F25J1/0212—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 a single flow MCR 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
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    • F25J1/02—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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • F25J1/0236—Heat exchange integration providing refrigeration for different processes treating not the same feed stream
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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
    • F25J1/02—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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from 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
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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
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0285—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings
    • F25J1/0288—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
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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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/50—Processes or apparatus using other separation and/or other processing means using absorption, i.e. with selective solvents or lean oil, heavier CnHm and including generally a regeneration step for the solvent or lean oil
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    • 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
    • F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
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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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/60—Natural gas or synthetic natural gas [SNG]
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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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    • F25J2215/04—Recovery of liquid products
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    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
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    • F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
    • F25J2260/80—Integration in an installation using carbon dioxide, e.g. for EOR, sequestration, refrigeration etc.

Definitions

  • the present invention relates to a process for liquefying a hydrocarbon stream such as natural gas in particular in a process for the production of liquefied natural gas and liquid CO 2 .
  • refrigerant streams are used to produce cold at different levels of a main heat exchanger by vaporizing against the hydrocarbon stream to be liquefied (typically natural gas).
  • the present invention relates to a method of thermal integration between a natural gas liquefaction unit and a CO 2 purification / liquefaction unit.
  • natural gas can be stored and transported over long distances more easily in liquid form than in gaseous form, because it occupies a smaller volume for a given mass and does not need to be stored at high pressure.
  • natural gas typically contains hydrocarbons and CO 2 (about 0.5% to 5% mol). In order to avoid the freezing of the latter during liquefaction of natural gas, it should be removed.
  • a means for removing CO 2 from the natural gas stream is, for example, an amine wash upstream of a liquefaction cycle.
  • the amine wash separates the CO 2 from the feed gas by washing the stream of natural gas with a solution of amines in an absorption column.
  • the amine solution enriched in CO 2 is recovered in the vat of this absorption column and is regenerated at low pressure in an amine distillation column (or stripping in English).
  • This purification is performed by a dedicated CO 2 purification unit requiring the installation of a dedicated refrigeration cycle (typically a refrigeration system operating with ammonia for example).
  • a dedicated refrigeration cycle typically a refrigeration system operating with ammonia for example.
  • the function of the "cold group” refrigeration cycle is to provide the necessary cold for the CO 2 purification / liquefaction process.
  • the condenser of the distillation column implemented in step 3 represents approximately 50% of the total cooling requirements.
  • This cold can be provided via a dedicated refrigeration cycle (typically ammonia or propane) possibly coupled with a cooling system with water.
  • the frigory production system represents a significant cost of the CO 2 purification and liquefaction unit and adds complexity of implementation to the site of implementation of the process, which represents a constraint.
  • An existing solution consists in dissociating the two units (liquefaction of natural gas and purification of CO 2 ) which requires the establishment of two systems of production of frigories, one for the liquefaction unit of natural gas and one for the CO 2 purification unit.
  • the inventors of the present invention have then developed a solution to solve the problem raised above, namely to minimize the investment in a system of production of frigories in the unit of purification / liquefaction of CO 2 and therefore d optimize investment spending while maintaining optimal efficiency for the liquefaction of natural gas in the liquefaction unit.
  • thermal coupling means for producing frigories to ensure the thermal balance of the two units, typically refrigeration cycle compressor, and possibly a turbine / booster system in the case of nitrogen cycle.
  • turbine / blower system means a turbine mechanically coupled (via a common shaft) to a single-stage compressor. The power generated through the turbine being directly transmitted to the single-stage compressor.
  • This thermal integration is materialized by pooling any column, heat exchanger, unit or other suitable arrangement (typically a heat exchanger) where currents related to the liquefaction process of natural gas and currents related to the process of purification / liquefaction of CO 2 heat exchange.
  • the method which is the subject of the present invention makes it possible to dispense with the cold group initially necessary for liquefying the CO 2 and for withdrawing the cold directly from the natural gas liquefier.
  • This thermal integration thus makes it possible to dispense with equipment in the CO 2 purification unit.
  • the proposed integration allows to provide cold at the three necessary temperature levels.
  • the subject of the present invention is also a device for producing liquefied natural gas and liquefied CO 2 comprising a unit for treating a feed gas, producing at least one gas stream enriched in CO 2 and a stream of depleted natural gas. in CO 2 , and a unit for liquefying natural gas, said natural gas liquefaction unit comprising at least one main heat exchanger and a frigory production system, characterized in that the frigory production system is suitable for and designed to liquefy both the CO 2 enriched stream from the process unit and the CO 2 depleted natural gas stream flowing through the natural gas liquefaction unit, said natural gas liquefaction unit comprising at least one refrigeration cycle powered by a refrigerant flow from the main exchanger.
  • the refrigeration requirement of a natural gas liquefaction unit is generally greater than the refrigeration requirement of a CO 2 purification / liquefaction unit, it is relevant to take advantage of the available capacity of the machines (compressors and / or turbine / superchargers) of the natural gas liquefaction unit to ensure all or at least partially the refrigeration requirement of the CO 2 purification / liquefaction unit and in particular to limit the investment in machinery of the purification / liquefaction unit of CO 2 .
  • the incremental investment to increase the liquefaction capacity of a hydrocarbon liquefier is well below the incremental investment to increase the liquid production capacity of a CO 2 purification / liquefaction unit.
  • the hydrocarbon stream to be liquefied is typically a stream of natural gas obtained from natural gas fields, oil reservoirs or a domestic gas network distributed via pipelines.
  • the flow of natural gas is essentially composed of methane.
  • the feed stream comprises at least 80 mol% of methane.
  • natural gas contains quantities of hydrocarbons heavier than methane, such as, for example, ethane, propane, butane and pentane, as well as certain aromatic hydrocarbons.
  • the natural gas stream also contains non-hydrocarbon products such as H 2 O, N 2 , CO 2 , H 2 S and other sulfur compounds, mercury and others.
  • the feed stream containing the natural gas is thus pretreated before being introduced into the heat exchanger.
  • This pre-treatment includes reducing and / or eliminating undesirable components such as CO 2 and H 2 S, or other steps such as pre-cooling and / or pressurizing. Since these measurements are well known to those skilled in the art, they are not further detailed here.
  • natural gas refers to any composition containing hydrocarbons including at least methane. This includes a "raw” composition (prior to any treatment or wash), as well as any composition that has been partially, substantially, or wholly processed for the reduction and / or elimination of one or more compounds, including but not limited to limit, sulfur, carbon dioxide, water, mercury and some heavy and aromatic hydrocarbons.
  • the heat exchanger may be any heat exchanger, unit or other arrangement adapted to allow the passage of a number of flows, and thus allow a direct or indirect heat exchange between one or more lines of refrigerant, and a or multiple feed streams.
  • a natural gas feed stream 1 (flow rate considered 500,000 tons per year or about 60 tons per hour) containing CO 2 is introduced into a treatment unit 2 in which said stream 1 is separated into at least two gaseous streams 3 and 4.
  • the natural gas feed stream 1 contains, for example, from 0.1 to 5 mol% of CO 2 .
  • the first stream 3 is a stream of natural gas depleted in CO 2 .
  • the second stream 4 is a stream enriched in CO 2 .
  • the processing unit 2 is a unit that separates the CO 2 from the natural gas stream such as a chemical absorption unit, in particular a scrubbing unit amines (type MDEA, MEA, ...) that produces pure CO 2 (or concentrated) at low pressure (typically slightly higher than the pressure atmospheric).
  • a chemical absorption unit in particular a scrubbing unit amines (type MDEA, MEA, ...) that produces pure CO 2 (or concentrated) at low pressure (typically slightly higher than the pressure atmospheric).
  • pure CO 2 is meant a stream containing more than 95 mol% of CO 2 on a dry basis.
  • the stream of natural gas 3 depleted in CO 2 is introduced into the atmosphere.
  • main exchanger 8 of a natural gas liquefaction unit 5 to be liquefied.
  • the pressure of this gaseous stream is for example between 25 and 60 bar absolute.
  • the gas stream 3 contains between 30 ppm by volume and 500 ppm by volume of benzene, usually less than 100 ppm by volume.
  • the gas stream 3 is cooled by heat exchange in the heat exchanger 8 in contact with a refrigerant.
  • the heat exchanger 8 is supplied with at least one refrigerant stream 8.
  • this stream may be composed of a mixed refrigerant stream or nitrogen that provides the cold necessary for the liquefaction of the natural gas stream.
  • the refrigerant stream is sent to the high pressure exchanger (typically 30 to 60 bar) and returned at low pressure (1 to 10 bar).
  • the recompression energy required for the operation of the refrigeration cycle is provided by a cycle compressor (possibly supplemented by a turbine / booster system as part of a nitrogen cycle)
  • the natural gas stream 3 depleted in CO 2 introduced into the main exchanger 8 of a natural gas liquefaction unit 5 is for example liquefied according to the method described in the following lines.
  • natural gas stream for example a washing column in which the heavy products are separated from the natural gas.
  • heavy products is meant hydrocarbons having more than four carbon atoms and aromatic compounds including benzene.
  • a gaseous stream no longer presenting a risk of freezing due to the presence of heavy hydrocarbons or aromatic derivatives (comprising typically less than 1 ppm by volume of benzene) is recovered to be introduced into a second section of the heat exchanger 8.
  • By heat exchange it is cooled to the desired temperature (typically -160 ° C) to be sent to a means storage of liquefied natural gas 14.
  • the combined refrigerant stream recovered at the outlet of the heat exchanger 8 is introduced into a phase separator pot producing a gas stream containing the light elements of the cooler at the top of the pot and a liquid stream 13 containing the heavy elements of the refrigerant in the tank. of pot.
  • the cooling stream circulates in a closed cycle in the heat exchanger 8 to provide the cold necessary to liquefy said stream 3 of natural gas.
  • the liquefaction cycle 9 uses a refrigerant that can be a mixture of refrigerants selected from typically nitrogen, methane, ethane, ethylene, propane, butane, pentane. It can be a cycle based on a refrigerant cycle consisting of a refrigerant or a mixture of several refrigerants.
  • a refrigerant stream is introduced into the system 9 for producing frigories of the liquefaction unit 5 via a compressor (and possibly a via compressor / booster system).
  • the second gaseous stream 4 enriched in CO 2 from the process unit 2 is compressed to intermediate pressure (typically 25 bar abs), cooled, purified (removal of all traces of H 2 O Hydrocarbons, particularly sulfur derivatives) and returned to a distillation column (stripping column) which separates the incondensables at the top of the concentrated liquid CO 2 recovered in the tank.
  • intermediate pressure typically 25 bar abs
  • purified removal of all traces of H 2 O Hydrocarbons, particularly sulfur derivatives
  • a distillation column stripping column
  • part of the liquid stream 13 containing the heavy elements of the refrigerant is extracted and circulated between the CO 2 purification / liquefaction unit 6 and the natural gas liquefaction unit 5.
  • a refrigerant cycle dedicated to the CO 2 purification / liquefaction unit 6 is avoided by increasing the power of the cycle dedicated to the liquefaction of the natural gas (typically of the order of 5%).
EP17171766.3A 2016-06-02 2017-05-18 Verflüssigungsverfahren von kohlendioxid aus einem erdgasstrom Active EP3252406B1 (de)

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FR1654996A FR3052240B1 (fr) 2016-06-02 2016-06-02 Procede de liquefaction de dioxyde de carbone issu d'un courant de gaz naturel

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FR3138196A3 (fr) 2022-11-04 2024-01-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Appareil et procédé de production de gaz naturel refroidi et de CO2 liquide

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US20040035147A1 (en) * 2002-08-21 2004-02-26 Masaki Iijima Plant and method for producing liquefied natural gas
US20110126451A1 (en) * 2009-11-30 2011-06-02 Chevron U.S.A., Inc. Integrated process for converting natural gas from an offshore field site to liquefied natural gas and liquid fuel
US20110296867A1 (en) * 2010-06-03 2011-12-08 Ortloff Engineers, Ltd. Hydrocarbon Gas Processing
US20150308734A1 (en) * 2014-04-24 2015-10-29 Heinz Bauer Liquefaction of a hydrocarbon-rich fraction

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WO2010006934A2 (en) * 2008-07-18 2010-01-21 Shell Internationale Research Maatschappij B.V. Two stage process for producing purified gas
MY162011A (en) * 2010-03-25 2017-05-31 Univ Manchester Refrigeration process
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Publication number Priority date Publication date Assignee Title
WO1999035455A1 (en) * 1998-01-08 1999-07-15 Satish Reddy Autorefrigeration separation of carbon dioxide
US20040035147A1 (en) * 2002-08-21 2004-02-26 Masaki Iijima Plant and method for producing liquefied natural gas
US20110126451A1 (en) * 2009-11-30 2011-06-02 Chevron U.S.A., Inc. Integrated process for converting natural gas from an offshore field site to liquefied natural gas and liquid fuel
US20110296867A1 (en) * 2010-06-03 2011-12-08 Ortloff Engineers, Ltd. Hydrocarbon Gas Processing
US20150308734A1 (en) * 2014-04-24 2015-10-29 Heinz Bauer Liquefaction of a hydrocarbon-rich fraction

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FR3052240A1 (fr) 2017-12-08
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EP3252406B1 (de) 2020-07-01

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