DE69522877D1 - Verfahren zur Herstellung von hochreinem Stickstoff - Google Patents
Verfahren zur Herstellung von hochreinem StickstoffInfo
- Publication number
- DE69522877D1 DE69522877D1 DE69522877T DE69522877T DE69522877D1 DE 69522877 D1 DE69522877 D1 DE 69522877D1 DE 69522877 T DE69522877 T DE 69522877T DE 69522877 T DE69522877 T DE 69522877T DE 69522877 D1 DE69522877 D1 DE 69522877D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- purity nitrogen
- purity
- nitrogen
- 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 - Fee Related
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
- F25J3/04248—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
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04351—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen
-
- 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
- F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
-
- 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
- F25J3/04436—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 at least a triple pressure main column system
- F25J3/04454—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 at least a triple pressure main column system a main column system not otherwise provided, e.g. serially coupling of columns or more than three pressure levels
-
- 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
- F25J2200/50—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
- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/312,248 US5511380A (en) | 1994-09-12 | 1994-09-12 | High purity nitrogen production and installation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69522877D1 true DE69522877D1 (de) | 2001-10-31 |
DE69522877T2 DE69522877T2 (de) | 2002-04-11 |
Family
ID=23210560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69522877T Expired - Fee Related DE69522877T2 (de) | 1994-09-12 | 1995-09-11 | Verfahren zur Herstellung von hochreinem Stickstoff |
Country Status (6)
Country | Link |
---|---|
US (1) | US5511380A (de) |
EP (1) | EP0701099B1 (de) |
JP (1) | JPH08178521A (de) |
KR (1) | KR960010521A (de) |
CA (1) | CA2158007A1 (de) |
DE (1) | DE69522877T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5582032A (en) * | 1995-08-11 | 1996-12-10 | Liquid Air Engineering Corporation | Ultra-high purity oxygen production |
US5582033A (en) * | 1996-03-21 | 1996-12-10 | Praxair Technology, Inc. | Cryogenic rectification system for producing nitrogen having a low argon content |
US5596886A (en) * | 1996-04-05 | 1997-01-28 | Praxair Technology, Inc. | Cryogenic rectification system for producing gaseous oxygen and high purity nitrogen |
JP2875206B2 (ja) * | 1996-05-29 | 1999-03-31 | 日本エア・リキード株式会社 | 高純度窒素製造装置及び方法 |
US5682762A (en) * | 1996-10-01 | 1997-11-04 | Air Products And Chemicals, Inc. | Process to produce high pressure nitrogen using a high pressure column and one or more lower pressure columns |
GB9726954D0 (en) * | 1997-12-19 | 1998-02-18 | Wickham Michael | Air separation |
US5906113A (en) * | 1998-04-08 | 1999-05-25 | Praxair Technology, Inc. | Serial column cryogenic rectification system for producing high purity nitrogen |
US5934104A (en) * | 1998-06-02 | 1999-08-10 | Air Products And Chemicals, Inc. | Multiple column nitrogen generators with oxygen coproduction |
DE10158327A1 (de) * | 2001-11-28 | 2003-06-18 | Linde Ag | Verfahren und Vorrichtung zur Herstellung hoch reinen Stickstoffs aus weniger reinem Stickstoff |
FR2959297B1 (fr) * | 2010-04-22 | 2012-04-27 | Air Liquide | Procede et appareil de production d'azote par distillation cryogenique d'air |
CN102506559A (zh) * | 2011-09-28 | 2012-06-20 | 开封东京空分集团有限公司 | 多段精馏制取高纯氮气空分工艺 |
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 |
CN107648976B (zh) * | 2017-09-22 | 2020-10-09 | 衢州杭氧气体有限公司 | 一种低温分离制取超高纯气体的方法及低温分离系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8828133D0 (en) | 1988-12-02 | 1989-01-05 | Boc Group Plc | Air separation |
US4902321A (en) | 1989-03-16 | 1990-02-20 | Union Carbide Corporation | Cryogenic rectification process for producing ultra high purity nitrogen |
FR2651035A1 (fr) * | 1989-08-18 | 1991-02-22 | Air Liquide | Procede de production d'azote par distillation |
JPH03230079A (ja) * | 1990-11-22 | 1991-10-14 | Teisan Kk | 窒素ガス製造方法 |
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 |
US5218825A (en) | 1991-11-15 | 1993-06-15 | Air Products And Chemicals, Inc. | Coproduction of a normal purity and ultra high purity volatile component from a multi-component stream |
US5255524A (en) * | 1992-02-13 | 1993-10-26 | Air Products & Chemicals, Inc. | Dual heat pump cycles for increased argon recovery |
GB9213776D0 (en) * | 1992-06-29 | 1992-08-12 | Boc Group Plc | Air separation |
FR2696821B1 (fr) * | 1992-10-09 | 1994-11-10 | Air Liquide | Procédé et installation de production d'azote ultra-pur sous pression. |
FR2701313B1 (fr) * | 1993-02-09 | 1995-03-31 | Air Liquide | Procédé et installation de production d'azote ultra-pur par distillation d'air. |
-
1994
- 1994-09-12 US US08/312,248 patent/US5511380A/en not_active Expired - Lifetime
-
1995
- 1995-09-11 DE DE69522877T patent/DE69522877T2/de not_active Expired - Fee Related
- 1995-09-11 KR KR1019950029490A patent/KR960010521A/ko not_active Application Discontinuation
- 1995-09-11 EP EP95402053A patent/EP0701099B1/de not_active Expired - Lifetime
- 1995-09-11 CA CA002158007A patent/CA2158007A1/en not_active Abandoned
- 1995-09-12 JP JP7234426A patent/JPH08178521A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0701099B1 (de) | 2001-09-26 |
KR960010521A (ko) | 1996-04-20 |
JPH08178521A (ja) | 1996-07-12 |
DE69522877T2 (de) | 2002-04-11 |
CA2158007A1 (en) | 1996-03-13 |
EP0701099A1 (de) | 1996-03-13 |
US5511380A (en) | 1996-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |