ES2134391T3 - Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza. - Google Patents

Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza.

Info

Publication number
ES2134391T3
ES2134391T3 ES95115584T ES95115584T ES2134391T3 ES 2134391 T3 ES2134391 T3 ES 2134391T3 ES 95115584 T ES95115584 T ES 95115584T ES 95115584 T ES95115584 T ES 95115584T ES 2134391 T3 ES2134391 T3 ES 2134391T3
Authority
ES
Spain
Prior art keywords
side column
purity oxygen
rectification system
produce less
column rectification
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
ES95115584T
Other languages
English (en)
Inventor
Harry Cheung
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23236076&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2134391(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2134391T3 publication Critical patent/ES2134391T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F25J3/04151Purification 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
    • F25J3/04006Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078Providing 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
    • F25J3/0409Providing 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
    • 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
    • F25J3/04418Processes 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 with thermally overlapping high and low pressure columns
    • 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
    • F25J2200/34Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/50Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • F25J2200/54Processes 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
    • 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
    • F25J2215/00Processes characterised by the type or other details of the product stream
    • F25J2215/50Oxygen or special cases, e.g. isotope-mixtures or low purity O2
    • F25J2215/52Oxygen production with multiple purity O2
    • 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
    • F25J2250/00Details related to the use of reboiler-condensers
    • F25J2250/02Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat 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
    • F25J2250/00Details related to the use of reboiler-condensers
    • F25J2250/04Down-flowing type boiler-condenser, i.e. with evaporation of a falling liquid film

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)

Abstract

UN SISTEMA DE RECTIFICACION CRIOGENICO QUE EMPLEA UNA DOBLE COLUMNA Y UNA COLUMNA LATERAL AUXILIAR EN LA QUE SE PRODUCE OXIGENO DE BAJA PUREZA, DONDE LA COLUMNA LATERAL ESTA DIRIGIDA MEDIANTE AIRE ALIMENTADOR COMPRIMIDO Y CONDENSANTE QUE PERMITE AL SISTEMA OPERAR CON PRESION DE CABEZA INFERIOR Y ASI REDUCIR LOS COSTES OPERATIVOS.
ES95115584T 1994-10-04 1995-10-03 Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza. Expired - Lifetime ES2134391T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/317,973 US5463871A (en) 1994-10-04 1994-10-04 Side column cryogenic rectification system for producing lower purity oxygen

Publications (1)

Publication Number Publication Date
ES2134391T3 true ES2134391T3 (es) 1999-10-01

Family

ID=23236076

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95115584T Expired - Lifetime ES2134391T3 (es) 1994-10-04 1995-10-03 Sistema de rectificacion criogenica de columna lateral para producir oxigeno de menor pureza.

Country Status (9)

Country Link
US (1) US5463871A (es)
EP (1) EP0706020B1 (es)
JP (1) JP3182326B2 (es)
KR (1) KR100261915B1 (es)
CN (1) CN1103041C (es)
BR (1) BR9504263A (es)
CA (1) CA2159751C (es)
DE (1) DE69511028T2 (es)
ES (1) ES2134391T3 (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628207A (en) * 1996-04-05 1997-05-13 Praxair Technology, Inc. Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen
US5596886A (en) * 1996-04-05 1997-01-28 Praxair Technology, Inc. Cryogenic rectification system for producing gaseous oxygen and high purity nitrogen
US5669236A (en) * 1996-08-05 1997-09-23 Praxair Technology, Inc. Cryogenic rectification system for producing low purity oxygen and high purity oxygen
US5697229A (en) * 1996-08-07 1997-12-16 Air Products And Chemicals, Inc. Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone
US5675977A (en) * 1996-11-07 1997-10-14 Praxair Technology, Inc. Cryogenic rectification system with kettle liquid column
US5682766A (en) * 1996-12-12 1997-11-04 Praxair Technology, Inc. Cryogenic rectification system for producing lower purity oxygen and higher purity oxygen
US5836174A (en) * 1997-05-30 1998-11-17 Praxair Technology, Inc. Cryogenic rectification system for producing multi-purity oxygen
US5873264A (en) * 1997-09-18 1999-02-23 Praxair Technology, Inc. Cryogenic rectification system with intermediate third column reboil
US5881570A (en) * 1998-04-06 1999-03-16 Praxair Technology, Inc. Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen
US5934104A (en) * 1998-06-02 1999-08-10 Air Products And Chemicals, Inc. Multiple column nitrogen generators with oxygen coproduction
US5916262A (en) * 1998-09-08 1999-06-29 Praxair Technology, Inc. Cryogenic rectification system for producing low purity oxygen and high purity oxygen
FR2787561A1 (fr) * 1998-12-22 2000-06-23 Air Liquide Procede de separation d'air par distillation cryogenique
FR2787559A1 (fr) * 1998-12-22 2000-06-23 Air Liquide Procede et installation de separation d'air par distillation cryogenique
US6134915A (en) * 1999-03-30 2000-10-24 The Boc Group, Inc. Distillation column arrangement for air separation plant
US6237366B1 (en) 2000-04-14 2001-05-29 Praxair Technology, Inc. Cryogenic air separation system using an integrated core
US6295836B1 (en) 2000-04-14 2001-10-02 Praxair Technology, Inc. Cryogenic air separation system with integrated mass and heat transfer
US6279344B1 (en) 2000-06-01 2001-08-28 Praxair Technology, Inc. Cryogenic air separation system for producing oxygen
US6536234B1 (en) 2002-02-05 2003-03-25 Praxair Technology, Inc. Three column cryogenic air separation system with dual pressure air feeds
US20040020239A1 (en) * 2002-03-08 2004-02-05 Laforce Craig Steven Method of producing an oxygen-enriched air stream
MXPA04009982A (es) * 2002-04-11 2006-02-22 Richard A Haase Metodos, procesos, sistemas y aparatos con tecnologia de combustiion de agua, para la combustion de hidrogeno y oxigeno.
US6626008B1 (en) 2002-12-11 2003-09-30 Praxair Technology, Inc. Cold compression cryogenic rectification system for producing low purity oxygen
US6622520B1 (en) 2002-12-11 2003-09-23 Praxair Technology, Inc. Cryogenic rectification system for producing low purity oxygen using shelf vapor turboexpansion
US8268269B2 (en) 2006-01-24 2012-09-18 Clearvalue Technologies, Inc. Manufacture of water chemistries
US8429933B2 (en) 2007-11-14 2013-04-30 Praxair Technology, Inc. Method for varying liquid production in an air separation plant with use of a variable speed turboexpander
US20090139263A1 (en) * 2007-12-04 2009-06-04 Air Products And Chemicals, Inc. Thermosyphon reboiler for the denitrogenation of liquid natural gas
FR2930331B1 (fr) * 2008-04-22 2013-09-13 Air Liquide Procede et appareil de separation d'air par distillation cryogenique
JP5032407B2 (ja) * 2008-07-24 2012-09-26 大陽日酸株式会社 窒素製造方法及び装置
FR2946735B1 (fr) * 2009-06-12 2012-07-13 Air Liquide Appareil et procede de separation d'air par distillation cryogenique.
CN102003867A (zh) * 2010-11-09 2011-04-06 上海启元科技发展有限公司 一种生产高纯氮和低纯氧的方法
US8899075B2 (en) * 2010-11-18 2014-12-02 Praxair Technology, Inc. Air separation method and apparatus
US20120125044A1 (en) * 2010-11-19 2012-05-24 Neil Mark Prosser Feed compression method and apparatus for air separation process
CN102080921B (zh) * 2010-12-23 2013-09-04 上海启元科技发展有限公司 一种高压氮和低压氧的生产方法及装置
CN102052821A (zh) * 2011-01-07 2011-05-11 苏州市兴鲁空分设备科技发展有限公司 一种空气分离方法
CN102538397A (zh) * 2012-01-18 2012-07-04 开封黄河空分集团有限公司 一种由空气分离制取氮气或制取氮气同时附产氧气的工艺
CN102721263A (zh) * 2012-07-12 2012-10-10 杭州杭氧股份有限公司 一种利用深冷技术分离空气的系统及方法
CN103438663A (zh) * 2013-07-11 2013-12-11 开封黄河空分集团有限公司 超低压制取高纯氧气和氮气装置及工艺
CN103453314A (zh) * 2013-08-15 2013-12-18 湖北和远气体股份有限公司 一种废液处理过程中加入富氧的方法
CN109737691B (zh) * 2019-01-31 2020-05-19 东北大学 一种钢铁企业空气分离系统

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664719A (en) * 1950-07-05 1954-01-05 Union Carbide & Carbon Corp Process and apparatus for separating gas mixtures
DE921809C (de) * 1952-07-04 1954-12-30 Adolf Messer G M B H Verfahren zur Erzeugung von reinem Sauerstoff neben der Gewinnung von Sauerstoff geringerer Reinheit
US2873583A (en) * 1954-05-04 1959-02-17 Union Carbide Corp Dual pressure cycle for air separation
US3113854A (en) * 1960-08-25 1963-12-10 Air Prod & Chem Method and apparatus for separating gaseous mixtures
US4224045A (en) * 1978-08-23 1980-09-23 Union Carbide Corporation Cryogenic system for producing low-purity oxygen
US4410343A (en) * 1981-12-24 1983-10-18 Union Carbide Corporation Air boiling process to produce low purity oxygen
US4560398A (en) * 1984-07-06 1985-12-24 Union Carbide Corporation Air separation process to produce elevated pressure oxygen
US4617036A (en) * 1985-10-29 1986-10-14 Air Products And Chemicals, Inc. Tonnage nitrogen air separation with side reboiler condenser
US4702757A (en) * 1986-08-20 1987-10-27 Air Products And Chemicals, Inc. Dual air pressure cycle to produce low purity oxygen
US4769055A (en) * 1987-02-03 1988-09-06 Erickson Donald C Companded total condensation reboil cryogenic air separation
US4895583A (en) * 1989-01-12 1990-01-23 The Boc Group, Inc. Apparatus and method for separating air
EP0383994A3 (de) * 1989-02-23 1990-11-07 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Luftzerlegung durch Rektifikation
US4936099A (en) * 1989-05-19 1990-06-26 Air Products And Chemicals, Inc. Air separation process for the production of oxygen-rich and nitrogen-rich products
US5006139A (en) * 1990-03-09 1991-04-09 Air Products And Chemicals, Inc. Cryogenic air separation process for the production of nitrogen
US5129932A (en) * 1990-06-12 1992-07-14 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen
FR2685459B1 (fr) * 1991-12-18 1994-02-11 Air Liquide Procede et installation de production d'oxygene impur.
CN1071444C (zh) * 1992-02-21 2001-09-19 普拉塞尔技术有限公司 生产气体氧的低温空气分离系统
US5245832A (en) * 1992-04-20 1993-09-21 Praxair Technology, Inc. Triple column cryogenic rectification system
US5233838A (en) * 1992-06-01 1993-08-10 Praxair Technology, Inc. Auxiliary column cryogenic rectification system
GB9405071D0 (en) * 1993-07-05 1994-04-27 Boc Group Plc Air separation
US5341646A (en) * 1993-07-15 1994-08-30 Air Products And Chemicals, Inc. Triple column distillation system for oxygen and pressurized nitrogen production
US5337570A (en) * 1993-07-22 1994-08-16 Praxair Technology, Inc. Cryogenic rectification system for producing lower purity oxygen
US5386691A (en) * 1994-01-12 1995-02-07 Praxair Technology, Inc. Cryogenic air separation system with kettle vapor bypass

Also Published As

Publication number Publication date
KR960013411A (ko) 1996-05-22
EP0706020A3 (en) 1996-07-03
JP3182326B2 (ja) 2001-07-03
CA2159751C (en) 1997-11-25
KR100261915B1 (ko) 2000-07-15
JPH08210769A (ja) 1996-08-20
BR9504263A (pt) 1998-10-27
US5463871A (en) 1995-11-07
EP0706020A2 (en) 1996-04-10
CN1103041C (zh) 2003-03-12
DE69511028D1 (de) 1999-09-02
CN1126305A (zh) 1996-07-10
CA2159751A1 (en) 1996-04-05
DE69511028T2 (de) 2000-01-27
EP0706020B1 (en) 1999-07-28

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