MX9203161A - Metodo de rectificacion criogenico para producir argon refinado - Google Patents

Metodo de rectificacion criogenico para producir argon refinado

Info

Publication number
MX9203161A
MX9203161A MX9203161A MX9203161A MX9203161A MX 9203161 A MX9203161 A MX 9203161A MX 9203161 A MX9203161 A MX 9203161A MX 9203161 A MX9203161 A MX 9203161A MX 9203161 A MX9203161 A MX 9203161A
Authority
MX
Mexico
Prior art keywords
argon
rectification method
cryogenic rectification
nitrogen
producing refined
Prior art date
Application number
MX9203161A
Other languages
English (en)
Inventor
John Richard Bianchi
Dante Patrick Bonaquist
Richard Amory Victor
Original Assignee
Union Carbide Ind Gases Tech
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24893278&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX9203161(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Ind Gases Tech filed Critical Union Carbide Ind Gases Tech
Publication of MX9203161A publication Critical patent/MX9203161A/es

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04642Recovering noble gases from air
    • F25J3/04648Recovering noble gases from air argon
    • F25J3/04721Producing pure argon, e.g. recovered from a crude argon column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04151Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04187Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
    • F25J3/04193Division of the main heat exchange line in consecutive sections having different functions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04248Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/0429Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • F25J3/04303Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04406Processes 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 for air using a dual pressure main column system
    • F25J3/04412Processes 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 for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04624Processes 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 for air using integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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 for air
    • F25J3/04642Recovering noble gases from air
    • F25J3/04648Recovering noble gases from air argon
    • F25J3/04654Producing crude argon in a crude argon column
    • F25J3/04666Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/90Details relating to column internals, e.g. structured packing, gas or liquid distribution
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00Processes or apparatus involving steps for recycling of process streams
    • F25J2245/58Processes or apparatus involving steps for recycling of process streams the recycled stream being argon or crude argon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/10Mathematical formulae, modeling, plot or curves; Design methods
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/923Inert gas
    • Y10S62/924Argon
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/939Partial feed stream expansion, air

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

Un método de rectificación criogénico empleando una rectificación sobre una altura definida dentro de la columna de presión más baja de un sistema de doble columna que reduce el nitrógeno concentrado de una mezcla de argón, nitrógeno, oxígeno mientras se mantiene la concentración de argón en o cerca de su máxima capacidad de producción de argón libre de nitrógeno directamente del sistema de columna de argón.
MX9203161A 1991-06-24 1992-06-23 Metodo de rectificacion criogenico para producir argon refinado MX9203161A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/720,252 US5133790A (en) 1991-06-24 1991-06-24 Cryogenic rectification method for producing refined argon

Publications (1)

Publication Number Publication Date
MX9203161A true MX9203161A (es) 1993-07-01

Family

ID=24893278

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9203161A MX9203161A (es) 1991-06-24 1992-06-23 Metodo de rectificacion criogenico para producir argon refinado

Country Status (11)

Country Link
US (1) US5133790A (es)
EP (1) EP0520382B2 (es)
JP (1) JP2856985B2 (es)
KR (1) KR960004311B1 (es)
CN (1) CN1065622C (es)
BR (1) BR9202373A (es)
CA (1) CA2072179C (es)
DE (1) DE69202307T3 (es)
ES (1) ES2072054T5 (es)
MX (1) MX9203161A (es)
RU (1) RU2069825C1 (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311744A (en) * 1992-12-16 1994-05-17 The Boc Group, Inc. Cryogenic air separation process and apparatus
GB9423955D0 (en) 1994-11-24 1995-01-11 Boc Group Plc Air seperation
GB9500514D0 (en) * 1995-01-11 1995-03-01 Boc Group Plc Air separation
US5557951A (en) * 1995-03-24 1996-09-24 Praxair Technology, Inc. Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
US5571099A (en) * 1995-05-09 1996-11-05 Pioneer Optics Company Side firing probe
US5528906A (en) * 1995-06-26 1996-06-25 The Boc Group, Inc. Method and apparatus for producing ultra-high purity oxygen
US5582033A (en) * 1996-03-21 1996-12-10 Praxair Technology, Inc. Cryogenic rectification system for producing nitrogen having a low argon content
DE19636306A1 (de) * 1996-09-06 1998-02-05 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft
US5730003A (en) * 1997-03-26 1998-03-24 Praxair Technology, Inc. Cryogenic hybrid system for producing high purity argon
US5857357A (en) * 1997-07-18 1999-01-12 Praxair Technology, Inc. Column configuration and method for argon production
US5916261A (en) * 1998-04-02 1999-06-29 Praxair Technology, Inc. Cryogenic argon production system with thermally integrated stripping column
US6134912A (en) * 1999-01-27 2000-10-24 Air Liquide America Corporation Method and system for separation of a mixed gas containing oxygen and chlorine
FR2791762B1 (fr) 1999-03-29 2001-06-15 Air Liquide Procede et installation de production d'argon par distillation cryogenique
FR2807150B1 (fr) * 2000-04-04 2002-10-18 Air Liquide Procede et appareil de production d'un fluide enrichi en oxygene par distillation cryogenique
US6351971B1 (en) 2000-12-29 2002-03-05 Praxair Technology, Inc. System and method for producing high purity argon
US7204101B2 (en) * 2003-10-06 2007-04-17 Air Liquide Large Industries U.S. Lp Methods and systems for optimizing argon recovery in an air separation unit
DE102007035619A1 (de) 2007-07-30 2009-02-05 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft
EP2026024A1 (de) 2007-07-30 2009-02-18 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft
CN102506560B (zh) * 2011-09-30 2013-07-10 浙江新锐空分设备有限公司 从废氩气中制取纯氩的方法
WO2016058666A1 (de) * 2014-10-16 2016-04-21 Linde Aktiengesellschaft Verfahren und vorrichtung zur variablen gewinnung von argon durch tieftemperaturzerlegung
US11262125B2 (en) 2018-01-02 2022-03-01 Praxair Technology, Inc. System and method for flexible recovery of argon from a cryogenic air separation unit
US10816263B2 (en) 2018-04-25 2020-10-27 Praxair Technology, Inc. System and method for high recovery of nitrogen and argon from a moderate pressure cryogenic air separation unit
US10663222B2 (en) 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
US10663224B2 (en) 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
US10663223B2 (en) 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
EP3992560A1 (de) * 2021-05-27 2022-05-04 Linde GmbH Verfahren zum auslegen einer tieftemperaturzerlegungsanlage mit argonproduktion

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980658A (fr) * 1948-02-12 1951-05-16 British Oxygen Co Ltd Procédé de séparation fractionnée de l'air
US2547177A (en) * 1948-11-02 1951-04-03 Linde Air Prod Co Process of and apparatus for separating ternary gas mixtures
US2762208A (en) * 1952-12-19 1956-09-11 Air Reduction Separation of the constituents of air
JPS6023143B2 (ja) * 1979-08-29 1985-06-06 超音波工業株式会社 超音波を利用した燃料油改質装置
US4433990A (en) * 1981-12-08 1984-02-28 Union Carbide Corporation Process to recover argon from oxygen-only air separation plant
US4477265A (en) * 1982-08-05 1984-10-16 Air Products And Chemicals, Inc. Argon purification
FR2584803B1 (fr) * 1985-07-15 1991-10-18 Air Liquide Procede et installation de distillation d'air
US4832719A (en) * 1987-06-02 1989-05-23 Erickson Donald C Enhanced argon recovery from intermediate linboil
DE3722746A1 (de) * 1987-07-09 1989-01-19 Linde Ag Verfahren und vorrichtung zur luftzerlegung durch rektifikation
US4784677A (en) * 1987-07-16 1988-11-15 The Boc Group, Inc. Process and apparatus for controlling argon column feedstreams
US4871382A (en) * 1987-12-14 1989-10-03 Air Products And Chemicals, Inc. Air separation process using packed columns for oxygen and argon recovery
US4836836A (en) * 1987-12-14 1989-06-06 Air Products And Chemicals, Inc. Separating argon/oxygen mixtures using a structured packing
US4817394A (en) * 1988-02-02 1989-04-04 Erickson Donald C Optimized intermediate height reflux for multipressure air distillation
US4838913A (en) * 1988-02-10 1989-06-13 Union Carbide Corporation Double column air separation process with hybrid upper column
US4842625A (en) * 1988-04-29 1989-06-27 Air Products And Chemicals, Inc. Control method to maximize argon recovery from cryogenic air separation units
US4822395A (en) * 1988-06-02 1989-04-18 Union Carbide Corporation Air separation process and apparatus for high argon recovery and moderate pressure nitrogen recovery
DE3840506A1 (de) * 1988-12-01 1990-06-07 Linde Ag Verfahren und vorrichtung zur luftzerlegung
DE3913880A1 (de) * 1989-04-27 1990-10-31 Linde Ag Verfahren und vorrichtung zur tieftemperaturzerlegung von luft
FR2650378A1 (fr) * 1989-07-28 1991-02-01 Air Liquide Installation de distillation d'air produisant de l'argon
FR2655137B1 (fr) * 1989-11-28 1992-10-16 Air Liquide Procede et installation de distillation d'air avec production d'argon.
US5019144A (en) * 1990-01-23 1991-05-28 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with hybrid argon column
ES2045960T5 (es) * 1990-01-23 1997-05-01 Praxair Technology Inc Sistema para la separacion criogenica de aire con una columna hibrida de argon.
US4983194A (en) * 1990-02-02 1991-01-08 Air Products And Chemicals, Inc. Production of high purity argon
US4994098A (en) * 1990-02-02 1991-02-19 Air Products And Chemicals, Inc. Production of oxygen-lean argon from air
US5076823A (en) * 1990-03-20 1991-12-31 Air Products And Chemicals, Inc. Process for cryogenic air separation
US5077978A (en) * 1990-06-12 1992-01-07 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen

Also Published As

Publication number Publication date
EP0520382B2 (en) 1997-11-05
DE69202307T3 (de) 1998-03-12
DE69202307D1 (de) 1995-06-08
JPH05187768A (ja) 1993-07-27
RU2069825C1 (ru) 1996-11-27
ES2072054T3 (es) 1995-07-01
EP0520382A1 (en) 1992-12-30
EP0520382B1 (en) 1995-05-03
KR960004311B1 (ko) 1996-03-30
DE69202307T2 (de) 1996-01-04
CA2072179A1 (en) 1992-12-25
CA2072179C (en) 1996-11-12
BR9202373A (pt) 1993-01-26
JP2856985B2 (ja) 1999-02-10
ES2072054T5 (es) 1998-03-01
CN1069566A (zh) 1993-03-03
US5133790A (en) 1992-07-28
KR930000379A (ko) 1993-01-15
CN1065622C (zh) 2001-05-09

Similar Documents

Publication Publication Date Title
MX9203161A (es) Metodo de rectificacion criogenico para producir argon refinado
ES2134391T3 (es) Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza.
MX9303144A (es) Sistema de rectificacion criogenica de columna auxiliar
ES2057671T5 (es) Separacion criogenica del aire con hervidor doble de producto.
ES2083709T5 (es) Procedimiento e instalacion de destilacion de aire, y aplicacion a la alimentacion de gas a una aceria.
MX9300929A (es) Sistema para la separacion criogenica del aire, para producir oxigeno gaseoso.
ES2071351T3 (es) Un procedimiento para la produccion de 6,12-dihidro-6-hidroxicannabidiol y el uso del mismo para la produccion de trans-delta-9-tetrahidrocannabinol.
ES2185772T3 (es) Derivados de 1,3-propano-diol como compuestos bioactivos.
ES2105999T3 (es) Procedimiento para la preparacion industrial de fosfatidilserina.
ES2145352T3 (es) Sistema de rectificacion criogenica para producir oxigeno de doble pureza.
ES2098120T3 (es) Procedimiento para la obtencion de 3,4-epoxi en 1-buteno.
ES2085725T3 (es) Procedimiento de destilacion para la produccion de nitrogeno libre de monoxido de carbono.
ES2122469T3 (es) Procedimiento e instalacion de separacion de una mezcla gaseosa.
ES2107720T3 (es) Sistema de rectificacion criogenica para producir oxigeno de baja pureza.
ES2104025T3 (es) Sistema de produccion criogenica de helio.
ES2123179T3 (es) Sistema de rectificacion criogenica con ebullicion de aire para la produccion de oxigeno a presion elevada.
MX9306585A (es) Sistema de rectificacion criogenica con columna de argon termicamente integrada.
CA2208738A1 (en) Cryogenic rectification system for producing low purity oxygen and high purity nitrogen
MX9300286A (es) Sistema de rectificacion criogenica para producir un producto de presion elevada.
MX9300117A (es) Sistema de rectificacion criogenica para producir nitrogeno y oxigeno de ultra-alta pureza.
ES2067930T3 (es) Metodo de separacion criogenica de aire para la produccion de oxigeno y nitrogeno a presion media.
ES2169827T3 (es) Sistema de rectificacion criogenica con columna lateral para producir oxigeno de baja pureza y nitrogeno de alta pureza.
ES2172060T3 (es) Sistema de rectificacion criogenica con una columna dividida para producir oxigeno con diferentes purezas.
GB1215377A (en) Air rectification plant for the production of pure nitrogen
AR006264A1 (es) Metodo y aparato para producir oxigeno de pureza inferior por rectificacion criogenica