KR940010467A - 열집적 아르곤 컬럼에 의한 저온 정류 시스템 - Google Patents

열집적 아르곤 컬럼에 의한 저온 정류 시스템 Download PDF

Info

Publication number
KR940010467A
KR940010467A KR1019930021977A KR930021977A KR940010467A KR 940010467 A KR940010467 A KR 940010467A KR 1019930021977 A KR1019930021977 A KR 1019930021977A KR 930021977 A KR930021977 A KR 930021977A KR 940010467 A KR940010467 A KR 940010467A
Authority
KR
South Korea
Prior art keywords
argon
column
fluid
pressure
passing
Prior art date
Application number
KR1019930021977A
Other languages
English (en)
Other versions
KR100190360B1 (ko
Inventor
에드워드 하워드 헨리
Original Assignee
조안 엠. 젤사
프랙스에어 테크놀로지, 인코포레이티드
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 조안 엠. 젤사, 프랙스에어 테크놀로지, 인코포레이티드 filed Critical 조안 엠. 젤사
Publication of KR940010467A publication Critical patent/KR940010467A/ko
Application granted granted Critical
Publication of KR100190360B1 publication Critical patent/KR100190360B1/ko

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
    • F25J3/04763Start-up or control of the process; Details of the apparatus used
    • F25J3/04769Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04793Rectification, e.g. columns; Reboiler-condenser
    • 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
    • F25J3/04309Generation 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 nitrogen
    • F25J3/04315Lowest pressure or impure nitrogen, so-called waste nitrogen expansion
    • 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
    • F25J3/04642Recovering 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
    • 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
    • F25J3/04684Producing 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 and a bottom re-boiler
    • 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
    • F25J2200/20Processes or apparatus using separation by rectification in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere
    • 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
    • F25J2235/00Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/58Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid 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
    • F25J2240/00Processes or apparatus involving steps for expanding of process streams
    • F25J2240/40Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Rectifiers (AREA)

Abstract

아르곤 컬럼의 압력이 시스템내의 다른 컬럼의 압력에서 감소되고, 작은 스트립핑 영역이 부가적인 응축기/재가열 보일러를 사용하고 컬럼의 중간지점에 아르곤 컬럼 공급원료를 도입함으로써 아르곤 컬럼내에서 만들어지는 아르곤 회수를 증가시키는 저온 정류 시스템.

Description

열집적 아르곤 컬럼에 의한 저온 정류 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 저온 정류 시스템의 바람직한 실시예의 개략적인 흐름도이다.

Claims (9)

  1. 주컬럼 시스템으로 아르곤을 포함하는 원료를 공급하고 주컬럼 시스템 내에서 저온 정류를 수행하는 단계와 주컬럼 시스템으로 부터 아르곤 함유 증기를 유출하고 상기 아르곤 함유 증기를 응축하는 단계와, 생성되는 아르곤 함유 액체의 압력을 감소시키는 단계와, 아르곤 컬럼의 중간지점에서 아르곤 컬럼으로 공급원료로서 감압 아르곤 함유 액체를 제공하고, 아르곤이 풍부한 액체 및 아르곤 경향유체로 저온 정류에 의해 공급원료를 분리하는 단계와, 아르곤 컬럼으로부터 아르곤 경향유체를 유출하고, 압력을 증가시키며, 가압 아르곤 경향 유체를 주컬럼 시스템으로 통과시키는 단계를 포함하는 아르곤 생성을 위한 저온 정류방법.
  2. 제1항에 있어서, 아르곤 함유 증기는 아르곤 경향 유체로 직접 열교환기에 의해 응측되는 저온 정류방법.
  3. 제1항에 있어서, 주컬럼 시스템이 저압칼럼 및 고압컬럼을 포함하는 이중컬럼 시스템이며, 아르곤 함유 중기가 저압컬럼으로 부터 유출되고 아르곤 경향 유체가 저압컬럼으로 통과되는 저온 정류방법.
  4. 제1항에 있어서, 아르곤 컬럼은 상압 미만의 압력으로 적어도 상부내에서 조작되는 저온 정류방법.
  5. 제3항에 있어서, 아르곤 컬럼의 조작압력이 저압컬럼 압력 이하의 적어도 3psi인 저온 정류방법.
  6. 제3항에 있어서, 저압컬럼으로 부터 아르곤 컬럼으로 통과하는 통과 아르곤 함유 증기를 포함하는 저온 정류방법.
  7. 주컬럼 시스템 및 주컬럼 시스템으로 원료를 공급하는 수단과, 아르곤 컬럼, 응축기 및 주컬럼 시스템에서 응축기로 유체를 통과시키는 수단과, 아르곤 컬럼의 중간지점에서 응축기로부터 아르곤 컬럼으로 유체를 통과시키는 수단과, 응축기로부터 아르곤 컬럼으로 통과되는 유체의 압력을 감소시키는 수단과, 아르곤 칼럼의 하부로 부터 유체를 유출하는 수단, 유출된 유체의 압력을 증가시키는 수단 및 주컬럼 시스템으로 가압 유출 유체를 통과시키는 수단과, 아르곤 컬럼 상부로 부터 취한 유체를 회수하는 수단을 포함하는 아르곤 생성을 위한 저온 정류장치.
  8. 제7항에 있어서, 응측기가 아르곤 컬럼의 하부내에 있는 저온 정류장치.
  9. 제7항에 있어서, 주컬럼 시스템이 저압컬럼 및 고압컬럼을 포함하는 이중컬럼 시스템이며, 주컬럼 시스템에서 응축기로 유체를 통과하는 수단 및 주컬럼 시스템으로 유출된 가압유체를 통과하는 수단이 모두 저압컬럼과 상호작용하는 저온 정류장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930021977A 1992-10-23 1993-10-22 열집적 아르곤 컬럼에 의한 저온 정류 시스템 KR100190360B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7/966,108 1992-10-23
US07/966,108 1992-10-23
US07/966,108 US5305611A (en) 1992-10-23 1992-10-23 Cryogenic rectification system with thermally integrated argon column

Publications (2)

Publication Number Publication Date
KR940010467A true KR940010467A (ko) 1994-05-26
KR100190360B1 KR100190360B1 (ko) 1999-06-01

Family

ID=25510927

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930021977A KR100190360B1 (ko) 1992-10-23 1993-10-22 열집적 아르곤 컬럼에 의한 저온 정류 시스템

Country Status (10)

Country Link
US (1) US5305611A (ko)
EP (1) EP0594214B1 (ko)
JP (1) JP2762026B2 (ko)
KR (1) KR100190360B1 (ko)
CN (1) CN1057599C (ko)
BR (1) BR9304333A (ko)
CA (1) CA2109038C (ko)
DE (1) DE69308458T2 (ko)
ES (1) ES2098624T3 (ko)
MX (1) MX9306585A (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386691A (en) * 1994-01-12 1995-02-07 Praxair Technology, Inc. Cryogenic air separation system with kettle vapor bypass
CA2142318A1 (en) * 1994-02-24 1995-08-25 Horst Corduan Process and apparatus for recovery of pure argon
GB9410696D0 (en) * 1994-05-27 1994-07-13 Boc Group Plc Air separation
GB9412182D0 (en) 1994-06-17 1994-08-10 Boc Group Plc Air separation
GB9414939D0 (en) * 1994-07-25 1994-09-14 Boc Group Plc Air separation
US5469710A (en) * 1994-10-26 1995-11-28 Praxair Technology, Inc. Cryogenic rectification system with enhanced argon recovery
US5682765A (en) * 1996-12-12 1997-11-04 Praxair Technology, Inc. Cryogenic rectification system for producing argon and lower purity oxygen
DE10028867A1 (de) * 2000-06-10 2001-12-20 Messer Ags Gmbh Verfahren und Vorrichtung zur Gewinnung von Argon
DE10028871A1 (de) * 2000-06-10 2001-12-20 Messer Ags Gmbh Verfahren und Vorrichtung zur Gewinnung von Argon
US6318120B1 (en) * 2000-08-11 2001-11-20 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Cryogenic distillation system for air separation
DE10055321A1 (de) * 2000-11-08 2002-05-16 Gea Happel Klimatechnik Verfahren zum Verflüssigen eines Gases
US6397632B1 (en) 2001-07-11 2002-06-04 Praxair Technology, Inc. Gryogenic rectification method for increased argon production
DE10217091A1 (de) * 2002-04-17 2003-11-06 Linde Ag Drei-Säulen-System zur Tieftemperatur-Luftzerlegung mit Argongewinnung
FR2874249A1 (fr) * 2004-08-10 2006-02-17 Air Liquide Procede et installation de separation d'air par distillation cryogenique
WO2021230912A1 (en) 2020-05-11 2021-11-18 Praxair Technology, Inc. System and method for recovery of nitrogen, argon, and oxygen in moderate pressure cryogenic air separation unit
EP4150276A1 (en) 2020-05-15 2023-03-22 Praxair Technology, Inc. Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit
KR20230008858A (ko) 2020-05-15 2023-01-16 프랙스에어 테크놀로지, 인코포레이티드 중압 질소 및 아르곤 생성 극저온 공기 분리 유닛 향상
US11828532B2 (en) * 2020-12-31 2023-11-28 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for transfer of liquid
US20240125550A1 (en) 2022-10-18 2024-04-18 Air Products And Chemicals, Inc. Process and Apparatus for Improved Recovery of Argon

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL30531C (ko) * 1930-02-07
US2316056A (en) * 1939-08-26 1943-04-06 Baufre William Lane De Method and apparatus for rectifying fluid mixtures
FR980658A (fr) * 1948-02-12 1951-05-16 British Oxygen Co Ltd Procédé de séparation fractionnée de l'air
US2559132A (en) * 1948-02-12 1951-07-03 British Oxygen Co Ltd Fractional separation of air
US2545462A (en) * 1948-03-17 1951-03-20 Koppers Co Inc System for separation of argon from air
GB1180904A (en) * 1966-06-01 1970-02-11 British Oxygen Co Ltd Air Separation Process.
DE1922956B1 (de) * 1969-05-06 1970-11-26 Hoechst Ag Verfahren zur Erzeugung von argonfreiem Sauerstoff durch Rektifikation von Luft
US4137056A (en) * 1974-04-26 1979-01-30 Golovko Georgy A Process for low-temperature separation of air
US4433990A (en) * 1981-12-08 1984-02-28 Union Carbide Corporation Process to recover argon from oxygen-only air separation plant
US4670031A (en) * 1985-04-29 1987-06-02 Erickson Donald C Increased argon recovery from air distillation
US4737177A (en) * 1986-08-01 1988-04-12 Erickson Donald C Air distillation improvements for high purity oxygen
US4784677A (en) * 1987-07-16 1988-11-15 The Boc Group, Inc. Process and apparatus for controlling argon column feedstreams
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
CN1025067C (zh) * 1989-02-23 1994-06-15 琳德股份公司 精馏分离空气的方法及装置
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
US5049174A (en) * 1990-06-18 1991-09-17 Air Products And Chemicals, Inc. Hybrid membrane - cryogenic generation of argon concurrently with nitrogen
US5114449A (en) * 1990-08-28 1992-05-19 Air Products And Chemicals, Inc. Enhanced recovery of argon from cryogenic air separation cycles

Also Published As

Publication number Publication date
DE69308458T2 (de) 1997-07-24
BR9304333A (pt) 1994-06-28
EP0594214A1 (en) 1994-04-27
KR100190360B1 (ko) 1999-06-01
JP2762026B2 (ja) 1998-06-04
CN1086010A (zh) 1994-04-27
ES2098624T3 (es) 1997-05-01
EP0594214B1 (en) 1997-03-05
CA2109038C (en) 1996-09-03
JPH06210162A (ja) 1994-08-02
US5305611A (en) 1994-04-26
MX9306585A (es) 1994-05-31
CN1057599C (zh) 2000-10-18
DE69308458D1 (de) 1997-04-10
CA2109038A1 (en) 1994-04-24

Similar Documents

Publication Publication Date Title
KR940010467A (ko) 열집적 아르곤 컬럼에 의한 저온 정류 시스템
KR900007208B1 (ko) 보조 리보일러를 추진력으로 하는 혼성 질소 발생기
CA1212037A (en) Split column multiple condenser-reboiler air separation process
KR930018254A (ko) 기체 산소를 생성시키기 위한 저온 공기 분리 시스템
KR840005544A (ko) 기화산소 제조플랜트
KR950009204A (ko) 기체 및/또는 액체 생성물로서 산소 및 질소를 공동 생성하는 공기 분리 방법
US4977746A (en) Process and plant for separating air and producing ultra-pure oxygen
EP0637725A1 (en) Cryogenic rectification system for lower pressure operation
KR840002975A (ko) 산소용 공기분리 플랜트로부터 알곤을 회수하는 공정 및 장치
CA2049646A1 (en) Enhanced recovery of argon from cryogenic air separation cycles
KR100313616B1 (ko) 산소를 동시에 생성하는 복수 개의 증류탑으로된 질소 발생기의극저온 공기 증류 방법
KR960013411A (ko) 저순도의 산소를 제조하기 위한 사이드 칼럼 저온 정류 시스템
CA2082673A1 (en) Multiple reboiler, double column, elevated pressure air separation cycles and their integration with gas turbines
KR880700227A (ko) 공기증류로부터 증가된 아르곤회수
KR950003774A (ko) 저순도 산소 제조용 저온 정류 시스템
US4439220A (en) Dual column high pressure nitrogen process
DK455383D0 (da) Anlaeg til fremstilling af gasformig nitrogen
KR950031896A (ko) 순수한 아르곤을 회수하기 위한 방법 및 장치
DE50107826D1 (de) Drei-Säulen-System zur Tieftemperatur-Luftzerlegung
KR940007498A (ko) 일산화탄소-부재 질소의 생산을 위한 증류방법
KR980003440A (ko) 저순도 산소 및 고순도 질소를 제조하기 위한 방법 및 장치
KR920000365A (ko) 이중온도 공급된 터빈팽창을 사용한 저온 기 분리장치
KR970016505A (ko) 이중 상 터어보 팽창을 이용하는 저온 정류 시스템
KR950031897A (ko) 순수한 아르곤을 회수하기 위한 방법 및 장치
KR100306957B1 (ko) 저순도 산소와 고순도 산소를 제조하기 위한 저온정류 시스템

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee