ATE93047T1 - Verfahren und vorrichtung zur stickstoffreinigung. - Google Patents

Verfahren und vorrichtung zur stickstoffreinigung.

Info

Publication number
ATE93047T1
ATE93047T1 AT89312012T AT89312012T ATE93047T1 AT E93047 T1 ATE93047 T1 AT E93047T1 AT 89312012 T AT89312012 T AT 89312012T AT 89312012 T AT89312012 T AT 89312012T AT E93047 T1 ATE93047 T1 AT E93047T1
Authority
AT
Austria
Prior art keywords
liquid
nitrogen
column
stage
phase separator
Prior art date
Application number
AT89312012T
Other languages
English (en)
Inventor
Graeme John Dunn
David J Kamrath
Robert A Mostello
John Douglas Oakey
Robert Owen
Original Assignee
Boc Group Plc
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=10647837&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE93047(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boc Group Plc filed Critical Boc Group Plc
Application granted granted Critical
Publication of ATE93047T1 publication Critical patent/ATE93047T1/de

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
    • 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
    • F25J3/08Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
    • 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
    • F25J2200/02Processes or apparatus using separation by rectification in a single 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
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/32Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/72Refluxing the column with at least a part of the totally condensed overhead gas
    • 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
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/02Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • 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
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/60Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • 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
    • F25J2215/42Nitrogen or special cases, e.g. multiple or low purity N2
    • F25J2215/44Ultra high purity nitrogen, i.e. generally less than 1 ppb impurities
    • 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
    • F25J2235/50Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being 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
    • F25J2250/00Details related to the use of reboiler-condensers
    • F25J2250/20Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
AT89312012T 1988-12-02 1989-11-20 Verfahren und vorrichtung zur stickstoffreinigung. ATE93047T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888828133A GB8828133D0 (en) 1988-12-02 1988-12-02 Air separation
EP89312012A EP0376465B2 (de) 1988-12-02 1989-11-20 Verfahren und Vorrichtung zur Stickstoffreinigung

Publications (1)

Publication Number Publication Date
ATE93047T1 true ATE93047T1 (de) 1993-08-15

Family

ID=10647837

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89312012T ATE93047T1 (de) 1988-12-02 1989-11-20 Verfahren und vorrichtung zur stickstoffreinigung.

Country Status (10)

Country Link
US (1) US5106398A (de)
EP (1) EP0376465B2 (de)
JP (1) JP3256214B2 (de)
AT (1) ATE93047T1 (de)
AU (1) AU630641B2 (de)
CA (1) CA2004369A1 (de)
DE (1) DE68908380D1 (de)
DK (1) DK607989A (de)
GB (1) GB8828133D0 (de)
ZA (1) ZA898928B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1027802C (zh) * 1990-01-19 1995-03-08 波克集团股份有限公司 一种从原料气流中去除杂质的方法
US5137559A (en) * 1990-08-06 1992-08-11 Air Products And Chemicals, Inc. Production of nitrogen free of light impurities
US5205127A (en) * 1990-08-06 1993-04-27 Air Products And Chemicals, Inc. Cryogenic process for producing ultra high purity nitrogen
US5123947A (en) * 1991-01-03 1992-06-23 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce ultra high purity nitrogen
US5170630A (en) * 1991-06-24 1992-12-15 The Boc Group, Inc. Process and apparatus for producing nitrogen of ultra-high purity
US5345773A (en) * 1992-01-14 1994-09-13 Teisan Kabushiki Kaisha Method and apparatus for the production of ultra-high purity nitrogen
JPH05187767A (ja) * 1992-01-14 1993-07-27 Teisan Kk 超高純度窒素製造方法及びその装置
JP3306517B2 (ja) * 1992-05-08 2002-07-24 日本酸素株式会社 空気液化分離装置及び方法
US5351492A (en) 1992-09-23 1994-10-04 Air Products And Chemicals, Inc. Distillation strategies for the production of carbon monoxide-free nitrogen
US5511380A (en) 1994-09-12 1996-04-30 Liquid Air Engineering Corporation High purity nitrogen production and installation
US5906113A (en) * 1998-04-08 1999-05-25 Praxair Technology, Inc. Serial column cryogenic rectification system for producing high purity nitrogen
DE102005006408A1 (de) * 2005-02-11 2006-08-24 Linde Ag Verfahren zum Abtrennen von Spurenkomponenten aus einem Stickstoff-reichen Strom
JP4519010B2 (ja) * 2005-06-20 2010-08-04 大陽日酸株式会社 空気分離装置
US9222725B2 (en) * 2007-06-15 2015-12-29 Praxair Technology, Inc. Air separation method and apparatus
FR2959297B1 (fr) 2010-04-22 2012-04-27 Air Liquide Procede et appareil de production d'azote par distillation cryogenique d'air
US10408536B2 (en) * 2017-09-05 2019-09-10 Praxair Technology, Inc. System and method for recovery of neon and helium from an air separation unit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3010286A (en) * 1960-07-08 1961-11-28 Union Carbide Corp Process and apparatus for purifying gases
GB8420644D0 (en) * 1984-08-14 1984-09-19 Petrocarbon Dev Ltd Ammonia synthesis gas
US4594085A (en) * 1984-11-15 1986-06-10 Union Carbide Corporation Hybrid nitrogen generator with auxiliary reboiler drive
US4588427A (en) * 1985-03-13 1986-05-13 Dm International Inc. Method and apparatus for purification of high N2 content gas
DE3627427A1 (de) * 1986-08-13 1988-02-18 Linde Ag Verfahren zur reinigung eines gasstroms durch eine stickstoffwaesche
DE3722746A1 (de) * 1987-07-09 1989-01-19 Linde Ag Verfahren und vorrichtung zur luftzerlegung durch rektifikation
US4867772A (en) * 1988-11-29 1989-09-19 Liquid Air Engineering Corporation Cryogenic gas purification process and apparatus
US4957523A (en) * 1989-01-27 1990-09-18 Pacific Consolidated Industries High speed pressure swing adsorption liquid oxygen/liquid nitrogen generating plant

Also Published As

Publication number Publication date
CA2004369A1 (en) 1990-06-02
EP0376465B2 (de) 1996-09-18
DK607989A (da) 1990-06-03
JP3256214B2 (ja) 2002-02-12
DE68908380D1 (de) 1993-09-16
ZA898928B (en) 1990-08-29
EP0376465B1 (de) 1993-08-11
EP0376465A1 (de) 1990-07-04
GB8828133D0 (en) 1989-01-05
JPH02225994A (ja) 1990-09-07
AU4558889A (en) 1990-06-07
US5106398A (en) 1992-04-21
DK607989D0 (da) 1989-12-01
AU630641B2 (en) 1992-11-05

Similar Documents

Publication Publication Date Title
ATE93047T1 (de) Verfahren und vorrichtung zur stickstoffreinigung.
ATE77687T1 (de) Verfahren und vorrichtung zur tieftemperaturzerlegung von luft.
DE69012923T2 (de) Verfahren und Vorrichtung zur Herstellung von Stickstoff aus Luft.
DE69209572T2 (de) Verfahren zur Herstellung von reinstem Stickstoff
CA2060221A1 (en) Cryogenic process for the production of an oxygen-free and methane-free, krypton/xenon product
US5137559A (en) Production of nitrogen free of light impurities
DE69623543D1 (de) Verfahren zur Reinigung von einem Acrolein enthaltenden Gasstromes
ATE188771T1 (de) Anlage zur tieftemperaturzerlegung von luft
JP2776461B2 (ja) 超高純度酸素を製造する低温蒸留による空気分別方法
JPH05212203A (ja) 蒸留分離方法
KR100343277B1 (ko) 고순도산소및저순도산소제조방법및장치
KR930020130A (ko) 질소와 극고순도의 산소를 제조하기 위한 저온 정류시스템
DE69709234T2 (de) Verfahren und Vorrichtung zur Lufttrennung
JPS6446563A (en) Method and device for manufacturing ultra-high purity oxygen from supply liquid
JPS62210386A (ja) 空気分離装置
CA2048146A1 (en) Production of nitrogen free of light impurities
RU1839224C (ru) Способ получени аргона
SK370090A3 (en) Method for obtaining neon-helium concentrate in an separation process of air

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties