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
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
- F25J3/04406—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 a dual pressure main column system
- F25J3/04412—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 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
-
- 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
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
-
- 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
- F25J2200/02—Processes or apparatus using separation by rectification in a single 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
- F25J2200/32—Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
-
- 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
-
- 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
- F25J2205/60—Processes 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
-
- 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
- F25J2215/42—Nitrogen or special cases, e.g. multiple or low purity N2
- F25J2215/44—Ultra high purity nitrogen, i.e. generally less than 1 ppb impurities
-
- 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/50—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
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)
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)
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 |
-
1988
- 1988-12-02 GB GB888828133A patent/GB8828133D0/en active Pending
-
1989
- 1989-11-20 DE DE8989312012T patent/DE68908380D1/de not_active Expired - Lifetime
- 1989-11-20 AT AT89312012T patent/ATE93047T1/de not_active IP Right Cessation
- 1989-11-20 EP EP89312012A patent/EP0376465B2/de not_active Expired - Lifetime
- 1989-11-22 ZA ZA898928A patent/ZA898928B/xx unknown
- 1989-11-27 AU AU45588/89A patent/AU630641B2/en not_active Ceased
- 1989-12-01 DK DK607989A patent/DK607989A/da not_active Application Discontinuation
- 1989-12-01 CA CA002004369A patent/CA2004369A1/en not_active Abandoned
- 1989-12-02 JP JP31413089A patent/JP3256214B2/ja not_active Expired - Fee Related
- 1989-12-04 US US07/445,074 patent/US5106398A/en not_active Expired - Fee Related
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |