[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

ES2187875T3 - Sistema de rectificacion criogenica por condensador de reflujo para producir oxigeno de pureza inferior. - Google Patents

Sistema de rectificacion criogenica por condensador de reflujo para producir oxigeno de pureza inferior.

Info

Publication number
ES2187875T3
ES2187875T3 ES98122707T ES98122707T ES2187875T3 ES 2187875 T3 ES2187875 T3 ES 2187875T3 ES 98122707 T ES98122707 T ES 98122707T ES 98122707 T ES98122707 T ES 98122707T ES 2187875 T3 ES2187875 T3 ES 2187875T3
Authority
ES
Spain
Prior art keywords
criogenic
reflux condenser
produce oxygen
rectification system
lower purity
Prior art date
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.)
Expired - Lifetime
Application number
ES98122707T
Other languages
English (en)
Inventor
Dante Patrick Bonaquist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2187875T3 publication Critical patent/ES2187875T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F25J3/04—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 for air
    • 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
    • F25J3/04—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 for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F25J3/04884—Arrangement of reboiler-condensers
    • 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
    • F25J3/04—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 for air
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of oxygen
    • 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
    • F25J3/04—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 for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04163—Hot end purification of the feed air
    • F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
    • F25J3/04175—Hot end purification of the feed air by adsorption of the impurities at a pressure of substantially more than the highest pressure 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
    • 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
    • F25J3/04—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 for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation 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
    • F25J3/0429—Generation 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
    • F25J3/04296—Claude expansion, i.e. expanded into the main or high pressure 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
    • 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
    • F25J3/04—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 for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation 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
    • F25J3/0429—Generation 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
    • F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure 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
    • 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
    • F25J3/04—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 for air
    • F25J3/04624—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 for air using integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • 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
    • F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • F25J2200/54—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the low pressure column of a double 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
    • 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/02—Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/902—Apparatus
    • Y10S62/903—Heat exchange structure
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/902—Apparatus
    • Y10S62/908—Filter or absorber

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

SE EXPONE UN PROCEDIMIENTO PARA PRODUCIR DIRECTAMENTE OXIGENO DE MENOR PUREZA CON ELEVADA RECUPERACION, QUE EMPLEA UN DISPOSITIVO NO ADIABATICO DE DESTILACION (21), DENTRO DE UNA COLUMNA DE DESTILACION (10), PARA PROPORCIONAR REFLUJO DE NITROGENO LIQUIDO DE GRAN PUREZA (93) A LA SECCION SUPERIOR DE LA COLUMNA (10). ESTA INVENCION PROPORCIONA UNA VARIEDAD DE OPCIONES DE AIRE DE ALIMENTACION AL DISPOSITIVO DE DESTILACION NO ADIABATICA (21) Y A LA COLUMNA DE DESTILACION (10).
ES98122707T 1997-12-02 1998-11-30 Sistema de rectificacion criogenica por condensador de reflujo para producir oxigeno de pureza inferior. Expired - Lifetime ES2187875T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/982,484 US5921108A (en) 1997-12-02 1997-12-02 Reflux condenser cryogenic rectification system for producing lower purity oxygen

Publications (1)

Publication Number Publication Date
ES2187875T3 true ES2187875T3 (es) 2003-06-16

Family

ID=25529210

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98122707T Expired - Lifetime ES2187875T3 (es) 1997-12-02 1998-11-30 Sistema de rectificacion criogenica por condensador de reflujo para producir oxigeno de pureza inferior.

Country Status (9)

Country Link
US (1) US5921108A (es)
EP (1) EP0921366B1 (es)
KR (1) KR100390054B1 (es)
CN (1) CN1098451C (es)
BR (1) BR9805052A (es)
CA (1) CA2254635C (es)
DE (1) DE69811192T2 (es)
ES (1) ES2187875T3 (es)
ID (1) ID21401A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6212906B1 (en) 2000-02-16 2001-04-10 Praxair Technology, Inc. Cryogenic reflux condenser system for producing oxygen-enriched air
WO2007057730A1 (en) * 2005-11-17 2007-05-24 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for the separation of air by cryogenic distillation
US9488408B2 (en) 2014-01-29 2016-11-08 Praxair Technology, Inc. Condenser-reboiler system and method
CN106766673A (zh) * 2015-11-20 2017-05-31 普莱克斯技术有限公司 带有穿孔排放管的冷凝器‑重沸器系统及方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493611A (en) * 1920-07-07 1924-05-13 Research Corp Process of and apparatus for separating air
US2903859A (en) * 1955-09-22 1959-09-15 Union Carbide Corp Process and apparatus for separating gas mixtures
DE1155458B (de) * 1961-02-23 1963-10-10 Linde Eismasch Ag Verfahren und Einrichtung zum Zerlegen von Gasgemischen durch Tieftemperaturrektifikation
US3756035A (en) * 1966-04-04 1973-09-04 Mc Donnell Douglas Corp Separation of the components of gas mixtures and air
US3508412A (en) * 1966-08-12 1970-04-28 Mc Donnell Douglas Corp Production of nitrogen by air separation
US3535886A (en) * 1967-07-05 1970-10-27 Mc Donnell Douglas Corp Production of high purity nitrogen from air by distillation with depressurized,work expanded and cooled oxygen-rich bottoms used in indirect heat exchange for the distillation
US3563047A (en) * 1967-08-04 1971-02-16 Mc Donnell Douglas Corp Production of high purity oxygen from air
GB1310514A (en) * 1969-07-02 1973-03-21 Bligh B R Process of contunuous distillation
US4308043A (en) * 1980-08-15 1981-12-29 Yearout James D Production of oxygen by air separation
US4289515A (en) * 1980-08-15 1981-09-15 Yearout James D Production of nitrogen by air separation
DE3035844A1 (de) * 1980-09-23 1982-05-06 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur gewinnung von sauerstoff mittlerer reinheit
US4533375A (en) * 1983-08-12 1985-08-06 Erickson Donald C Cryogenic air separation with cold argon recycle
US5410885A (en) * 1993-08-09 1995-05-02 Smolarek; James Cryogenic rectification system for lower pressure operation
US5442925A (en) * 1994-06-13 1995-08-22 Air Products And Chemicals, Inc. Process for the cryogenic distillation of an air feed to produce a low to medium purity oxygen product using a single distillation column system
US5699671A (en) * 1996-01-17 1997-12-23 Praxair Technology, Inc. Downflow shell and tube reboiler-condenser heat exchanger for cryogenic rectification
US5666824A (en) * 1996-03-19 1997-09-16 Praxair Technology, Inc. Cryogenic rectification system with staged feed air condensation
US5611219A (en) * 1996-03-19 1997-03-18 Praxair Technology, Inc. Air boiling cryogenic rectification system with staged feed air condensation
US5678427A (en) * 1996-06-27 1997-10-21 Praxair Technology, Inc. Cryogenic rectification system for producing low purity oxygen and high purity nitrogen
US5664438A (en) * 1996-08-13 1997-09-09 Praxair Technology, Inc. Cryogenic side column rectification system for producing low purity oxygen and high purity nitrogen

Also Published As

Publication number Publication date
KR100390054B1 (ko) 2003-08-19
DE69811192D1 (de) 2003-03-13
ID21401A (id) 1999-06-03
US5921108A (en) 1999-07-13
EP0921366B1 (en) 2003-02-05
BR9805052A (pt) 1999-11-16
CN1218898A (zh) 1999-06-09
CA2254635C (en) 2002-10-22
EP0921366A1 (en) 1999-06-09
KR19990062654A (ko) 1999-07-26
CA2254635A1 (en) 1999-06-02
DE69811192T2 (de) 2003-09-25
CN1098451C (zh) 2003-01-08

Similar Documents

Publication Publication Date Title
ES2134391T3 (es) Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza.
MX9203161A (es) Metodo de rectificacion criogenico para producir argon refinado
ES2145967T3 (es) Proceso e instalacion de separacion de aire.
ATE522959T1 (de) Tragbare lasereinrichtung
ES2145352T3 (es) Sistema de rectificacion criogenica para producir oxigeno de doble pureza.
MX9306585A (es) Sistema de rectificacion criogenica con columna de argon termicamente integrada.
ES2107720T3 (es) Sistema de rectificacion criogenica para producir oxigeno de baja pureza.
MX9301085A (es) Sistema de rectificacion criogenica con bomba de calor de argon.
ES2066296T3 (es) Recuperacion mejorada de argon a partir de ciclos criogenicos de separacion del aire.
ES2187702T3 (es) Sistema de rectificacion criogenica con columna de liquido de caldera.
MX9303144A (es) Sistema de rectificacion criogenica de columna auxiliar
ES2085725T3 (es) Procedimiento de destilacion para la produccion de nitrogeno libre de monoxido de carbono.
DE69818495D1 (de) Trennung von aminen
ES2122469T3 (es) Procedimiento e instalacion de separacion de una mezcla gaseosa.
ES2169281T3 (es) Procedimiento de produccion de trifluoruro de nitrogeno.
DE69320116D1 (de) Lufttrennung
FR2805339B1 (fr) Procede de production d'oxygene par rectification cryogenique
ES2187875T3 (es) Sistema de rectificacion criogenica por condensador de reflujo para producir oxigeno de pureza inferior.
MX9300286A (es) Sistema de rectificacion criogenica para producir un producto de presion elevada.
DE60007686D1 (de) Tieftemperaturrektifikationsystem zur Luftzerleggung
ES2123179T3 (es) Sistema de rectificacion criogenica con ebullicion de aire para la produccion de oxigeno a presion elevada.
ES2086895T3 (es) Procedimiento e instalacion de transferencia de liquido.
ES2081140T3 (es) Sistema de rectificacion criogenica para producir nitrogeno y oxigeno de pureza ultra alta.
ES2184943T3 (es) Sistema de rectificacion criogenica para producir oxigeno de pureza inferior y oxigeno de pureza superior.
ES2049953T3 (es) Procedimiento e instalacion de destilacion de aire con produccion de argon.