PE20081423A1 - METHOD TO SEPARATE NITROGEN FROM LIQUEFIED NATURAL GAS - Google Patents

METHOD TO SEPARATE NITROGEN FROM LIQUEFIED NATURAL GAS

Info

Publication number
PE20081423A1
PE20081423A1 PE2008000353A PE2008000353A PE20081423A1 PE 20081423 A1 PE20081423 A1 PE 20081423A1 PE 2008000353 A PE2008000353 A PE 2008000353A PE 2008000353 A PE2008000353 A PE 2008000353A PE 20081423 A1 PE20081423 A1 PE 20081423A1
Authority
PE
Peru
Prior art keywords
natural gas
liquefied natural
extraction column
separate nitrogen
rich
Prior art date
Application number
PE2008000353A
Other languages
Spanish (es)
Inventor
Bauer Heinz
Franke Hubert
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Publication of PE20081423A1 publication Critical patent/PE20081423A1/en

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
    • 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
    • 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
    • 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
    • F25J1/0032—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/0042—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by liquid expansion 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
    • F25J1/02—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
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0258—Construction and layout of liquefaction equipments, e.g. valves, machines vertical layout of the equipments within in the cold box
    • 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
    • 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
    • F25J2200/40—Features relating to the provision of boil-up in the bottom of a 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
    • 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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/30—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
    • 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
    • F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
    • 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
    • F25J2210/90—Boil-off gas from storage
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/42—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/30—Dynamic liquid or hydraulic expansion with extraction of work, e.g. single phase or two-phase turbine
    • 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
    • F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being 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
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/90—Processes or apparatus involving steps for recycling of process streams the recycled stream being boil-off gas from storage
    • 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
    • F25J2270/12—External refrigeration with liquid vaporising loop
    • 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
    • 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
    • F25J2290/40—Vertical layout or arrangement of cold equipments within in the cold box, e.g. columns, condensers, heat exchangers etc.
    • 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
    • F25J2290/62—Details of storing a fluid in a tank

Abstract

QUE COMPRENDE: a) SOMETER UNA PRIMERA Y UNA SEGUNDA CORRIENTES PARCIALES DE LA FRACCION LICUADA RICA EN HIDROCARBUROS, A UNA EXPANSION EN EUN EXPANSOR DE LIQUIDOS; b) ENVIAR LA PRIMERA CORRIENTE PARCIAL DE LA FRACCION LICUADA RICA EN HIDROCARBUROS, COMO REFLUJO A UNA COLUMNA DE EXTRACCION TENIENDO UNA FRACCION GASEOSA DE 80% POR VOLUMEN COMO MAXIMO; c) CONDUCIR LA SEGUNDA CORRIENTE PARCIAL DE DICHA FRACCION LICUADA, A LA PARTE INFERIOR DE LA COLUMNA DE EXTRACCION; Y, d) CONDUCIR UNA CORRIENTE ADICIONAL RICA EN METANO O EN NITROGENO, A LA PARTE INFERIOR DE LA COLUMNA DE EXTRACCION; ESTANDO LA DIFERENCIA DE TEMPERATURA ENTRE LA PRIMERA Y LA SEGUNDA CORRIENTES PARCIALES COMPRENDIDA ENTRE 40°C Y 100°C, DE PREFERENCIA ENTRE 60°C Y 80°CWHICH INCLUDES: a) SUBMIT A FIRST AND A SECOND PARTIAL CURRENT OF THE LIQUEFIED FRACTION RICH IN HYDROCARBONS, TO AN EXPANSION IN A LIQUID EXPANDER; b) SEND THE FIRST PARTIAL CURRENT OF THE LIQUEFIED FRACTION RICH IN HYDROCARBONS, AS REFLUX TO AN EXTRACTION COLUMN, HAVING A GASEOUS FRACTION OF 80% BY VOLUME AS A MAXIMUM; c) CONDUCT THE SECOND PARTIAL CURRENT OF SAID LIQUEFIED FRACTION, TO THE BOTTOM PART OF THE EXTRACTION COLUMN; AND, d) CONDUCT AN ADDITIONAL CURRENT RICH IN METHANE OR NITROGEN, TO THE LOWER PART OF THE EXTRACTION COLUMN; BEING THE DIFFERENCE IN TEMPERATURE BETWEEN THE FIRST AND THE SECOND PARTIAL CURRENTS INCLUDED BETWEEN 40 ° C AND 100 ° C, PREFERENTIALLY BETWEEN 60 ° C AND 80 ° C

PE2008000353A 2007-03-01 2008-02-20 METHOD TO SEPARATE NITROGEN FROM LIQUEFIED NATURAL GAS PE20081423A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007010032A DE102007010032A1 (en) 2007-03-01 2007-03-01 Procedure for separating a nitrogen-rich fraction from a liquefied natural gas, comprises supplying the natural gas after its liquefaction and super cooling, to a stripping column that serves the separation of the nitrogen-rich fraction

Publications (1)

Publication Number Publication Date
PE20081423A1 true PE20081423A1 (en) 2008-11-25

Family

ID=39670024

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2008000353A PE20081423A1 (en) 2007-03-01 2008-02-20 METHOD TO SEPARATE NITROGEN FROM LIQUEFIED NATURAL GAS

Country Status (10)

Country Link
US (1) US20100275646A1 (en)
AR (1) AR065475A1 (en)
AU (1) AU2008221073B2 (en)
CL (1) CL2008000631A1 (en)
DE (1) DE102007010032A1 (en)
MX (1) MX2009009043A (en)
NO (1) NO20093081L (en)
PE (1) PE20081423A1 (en)
RU (1) RU2462672C2 (en)
WO (1) WO2008104308A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007047765A1 (en) 2007-10-05 2009-04-09 Linde Aktiengesellschaft Liquifying a hydrocarbon-rich fraction, comprises e.g. removing unwanted components like acid gas, water and/or mercury from hydrocarbon-rich fraction and liquifying the pretreated hydrocarbon-rich fraction by using a mixture cycle
KR20120040700A (en) * 2009-07-21 2012-04-27 쉘 인터내셔날 리써취 마트샤피지 비.브이. Method for treating a multi-phase hydrocarbon stream and an apparatus therefor
DE102009038458A1 (en) * 2009-08-21 2011-02-24 Linde Ag Process for separating nitrogen from natural gas
DE102010044646A1 (en) * 2010-09-07 2012-03-08 Linde Aktiengesellschaft Process for separating nitrogen and hydrogen from natural gas
FR2971332B1 (en) 2011-02-09 2017-06-16 Air Liquide METHOD AND APPARATUS FOR CRYOGENIC SEPARATION OF METHANE RICH FLOW
WO2013087570A2 (en) * 2011-12-12 2013-06-20 Shell Internationale Research Maatschappij B.V. Method and apparatus for removing nitrogen from a cryogenic hydrocarbon composition
WO2013087569A2 (en) * 2011-12-12 2013-06-20 Shell Internationale Research Maatschappij B.V. Method and apparatus for removing nitrogen from a cryogenic hydrocarbon composition
AU2012354774B2 (en) * 2011-12-12 2015-09-10 Shell Internationale Research Maatschappij B. V. Method and apparatus for removing nitrogen from a cryogenic hydrocarbon composition
US9543787B2 (en) 2011-12-30 2017-01-10 Scrutiny, Inc. FRAME (forced recuperation, aggregation and movement of exergy)
MY192719A (en) * 2015-03-25 2022-09-05 Petroliam Nasional Berhad Petronas An integrated system and process for gas recovery in the lng plant
DE102015004120A1 (en) * 2015-03-31 2016-10-06 Linde Aktiengesellschaft Process for separating nitrogen from a hydrocarbon-rich fraction
US11014039B2 (en) * 2018-07-06 2021-05-25 Praxair Technology, Inc. Nitrogen service supply system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559417A (en) * 1967-10-12 1971-02-02 Mc Donnell Douglas Corp Separation of low boiling hydrocarbons and nitrogen by fractionation with product stream heat exchange
US3600282A (en) * 1968-11-19 1971-08-17 Phillips Petroleum Co Control of two reflux streams in a fractional separation system
DE1939114B2 (en) * 1969-08-01 1979-01-25 Linde Ag, 6200 Wiesbaden Liquefaction process for gases and gas mixtures, in particular for natural gas
US4445916A (en) * 1982-08-30 1984-05-01 Newton Charles L Process for liquefying methane
US4746342A (en) * 1985-11-27 1988-05-24 Phillips Petroleum Company Recovery of NGL's and rejection of N2 from natural gas
US4878932A (en) * 1989-03-21 1989-11-07 Union Carbide Corporation Cryogenic rectification process for separating nitrogen and methane
FR2682964B1 (en) * 1991-10-23 1994-08-05 Elf Aquitaine PROCESS FOR DEAZOTING A LIQUEFIED MIXTURE OF HYDROCARBONS MAINLY CONSISTING OF METHANE.
FR2714722B1 (en) * 1993-12-30 1997-11-21 Inst Francais Du Petrole Method and apparatus for liquefying a natural gas.
MY117899A (en) 1995-06-23 2004-08-30 Shell Int Research Method of liquefying and treating a natural gas.
US6978638B2 (en) * 2003-05-22 2005-12-27 Air Products And Chemicals, Inc. Nitrogen rejection from condensed natural gas
NZ549467A (en) * 2004-07-01 2010-09-30 Ortloff Engineers Ltd Liquefied natural gas processing

Also Published As

Publication number Publication date
AU2008221073B2 (en) 2012-08-23
MX2009009043A (en) 2009-09-29
RU2462672C2 (en) 2012-09-27
NO20093081L (en) 2009-09-30
DE102007010032A1 (en) 2008-09-04
CL2008000631A1 (en) 2009-09-25
WO2008104308A3 (en) 2014-02-27
US20100275646A1 (en) 2010-11-04
WO2008104308A2 (en) 2008-09-04
RU2009136341A (en) 2011-04-10
AR065475A1 (en) 2009-06-10
AU2008221073A1 (en) 2008-09-04

Similar Documents

Publication Publication Date Title
PE20081423A1 (en) METHOD TO SEPARATE NITROGEN FROM LIQUEFIED NATURAL GAS
AR094357A1 (en) INTEGRATED PROCESS FOR LGN (RECOVERY OF NATURAL GAS LIQUIDS) AND LNG (NATURAL GAS LICUEFACTION)
PE20051108A1 (en) PROCESS FOR LIQUEFACING NATURAL GAS
MY157897A (en) Integrated ngl recovery in the production of liquefied natural gas
MY157791A (en) Liquefied natural gas production
EA201591949A1 (en) METHOD FOR LIQUIDATION OF POLLUTED HYDROCARBON HYDROGEN CONTAINING GAS FLOW
AR082419A1 (en) CRIOGENIC SYSTEMS FOR THE ELIMINATION OF GASES ACIDS OF A HYDROCARBON GAS CURRENT USING EQUIPMENT RATE SEPARATION DEVICES
EA200700221A1 (en) INSTALLATION (VARIANTS) AND METHOD OF REGASIFICATION OF LIQUEFIED NATURAL GAS
EA200601989A1 (en) LIQUIDATION OF NATURAL GAS
AR084608A1 (en) PROCEDURE FOR THE PRODUCTION OF A CURRENT RICH IN METHANE AND A CURRENT RICH IN HYDROCARBONS IN EC ASSOCIATED INSTALLATION
MX2013014864A (en) Configurations and methods for retrofitting an ngl recovery plant.
WO2009087308A3 (en) Method for liquefying natural gas with high pressure fractioning
AR101556A1 (en) PROCESS AND SYSTEM FOR THE LICUEFACTION OF A GAS CONTAINING HYDROCARBONS
AR098489A1 (en) SINGAS LNG RECOVERY USING A MIXED REFRIGERANT
BRPI0913179A2 (en) process to produce purified hydrocarbon gas and liquefied natural gas.
WO2011139572A3 (en) Drilled underground gaseous storage system
FR2957140B1 (en) NATURAL GAS LIQUEFACTION PROCESS USING ENRICHED NITROGEN AS REFRIGERANT FLUID
CO2017002295A2 (en) Dual mixed cooling system
MY182862A (en) Method and system for obtaining hydrogen from a feed mixture which contains hydrogen and hydrocarbons
CO2017002301A2 (en) Dual mixed cooling system
WO2014205216A3 (en) Systems and methods for natural gas liquefaction capacity augmentation
CY1114937T1 (en) METHOD FOR DISTRIBUTION OF ACID GAS
AR072676A1 (en) METHOD OF SEPARATION OF SULFUR FROM A GAS CONTAINING SULFUR
AR096064A1 (en) METHOD AND APPARATUS FOR THE LIQUIDACTION OF NATURAL GAS
AR084790A1 (en) PROCEDURE OF PRODUCTION OF A COURT RICH IN HYDROCARBONS AND A CURRENT RICH IN METHANE AND ETHANEAN FROM A POWER SUPPLY RICH IN HYDROCARBONS AND ASSOCIATED INSTALLATION

Legal Events

Date Code Title Description
FC Refusal