ZA200107210B - Method and plant for separating air by cryogenic distillation. - Google Patents
Method and plant for separating air by cryogenic distillation.Info
- Publication number
- ZA200107210B ZA200107210B ZA200107210A ZA200107210A ZA200107210B ZA 200107210 B ZA200107210 B ZA 200107210B ZA 200107210 A ZA200107210 A ZA 200107210A ZA 200107210 A ZA200107210 A ZA 200107210A ZA 200107210 B ZA200107210 B ZA 200107210B
- Authority
- ZA
- South Africa
- Prior art keywords
- pressure column
- column
- pressure
- low
- argon
- 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
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
- F25J3/04387—Details relating to the work expansion, e.g. process parameter etc. using liquid or hydraulic turbine expansion
-
- 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
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04078—Providing 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
- F25J3/0409—Providing 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
-
- 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
- F25J3/04309—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 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
- F25J3/04436—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
- F25J3/04448—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 in a double column flowsheet with an intermediate 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
- F25J2200/20—Processes 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
-
- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
- F25J2240/10—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being air
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0011932A FR2814229B1 (fr) | 2000-09-19 | 2000-09-19 | Procede et installation de separation d'air par distillation cryogenique |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200107210B true ZA200107210B (en) | 2002-03-04 |
Family
ID=8854455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200107210A ZA200107210B (en) | 2000-09-19 | 2001-08-30 | Method and plant for separating air by cryogenic distillation. |
Country Status (7)
Country | Link |
---|---|
US (1) | US6536232B2 (de) |
EP (1) | EP1189003B1 (de) |
AT (1) | ATE288064T1 (de) |
CA (1) | CA2357302A1 (de) |
DE (1) | DE60108579T2 (de) |
FR (1) | FR2814229B1 (de) |
ZA (1) | ZA200107210B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE356326T1 (de) * | 2001-12-04 | 2007-03-15 | Air Prod & Chem | Verfahren und vorrichtung zur kryogenischen luftzerlegung |
FR2875588B1 (fr) * | 2004-09-21 | 2007-04-27 | Air Liquide | Procede de separation d'air par distillation cryogenique |
DE102004047961A1 (de) * | 2004-10-01 | 2006-05-18 | Siemens Ag | Vorrichtung und Verfahren zum Ansteuern eines Piezoaktors |
EP2597409B1 (de) * | 2011-11-24 | 2015-01-14 | L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Verfahren und Vorrichtung zur Luftzerlegung durch Tieftemperaturdestillation |
EP2634517B1 (de) * | 2012-02-29 | 2018-04-04 | L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Verfahren und Vorrichtung zur Trennung von Luft durch kryogenische Destillation |
FR3017698B1 (fr) * | 2014-02-14 | 2019-03-29 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Colonne de separation d'air par distillation cryogenique, appareil de separation d'air comportant une telle colonne et procede de fabrication d'une telle colonne |
EP3620739A1 (de) | 2018-09-05 | 2020-03-11 | Linde Aktiengesellschaft | Verfahren zur tieftemperaturzerlegung von luft und luftzerlegungsanlage |
US20240035741A1 (en) | 2022-07-28 | 2024-02-01 | Neil M. Prosser | Air separation unit and method for cryogenic separation of air using a distillation column system including an intermediate pressure kettle column |
US20240035744A1 (en) | 2022-07-28 | 2024-02-01 | Neil M. Prosser | Air separation unit and method for production of nitrogen and argon using a distillation column system with an intermediate pressure kettle column |
US20240035745A1 (en) | 2022-07-28 | 2024-02-01 | Neil M. Prosser | System and method for cryogenic air separation using four distillation columns including an intermediate pressure column |
US11959701B2 (en) | 2022-07-28 | 2024-04-16 | Praxair Technology, Inc. | Air separation unit and method for production of high purity nitrogen product using a distillation column system with an intermediate pressure kettle column |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4605427A (en) * | 1983-03-31 | 1986-08-12 | Erickson Donald C | Cryogenic triple-pressure air separation with LP-to-MP latent-heat-exchange |
US5341646A (en) * | 1993-07-15 | 1994-08-30 | Air Products And Chemicals, Inc. | Triple column distillation system for oxygen and pressurized nitrogen production |
GB9412182D0 (en) * | 1994-06-17 | 1994-08-10 | Boc Group Plc | Air separation |
US5682764A (en) * | 1996-10-25 | 1997-11-04 | Air Products And Chemicals, Inc. | Three column cryogenic cycle for the production of impure oxygen and pure nitrogen |
GB9726954D0 (en) * | 1997-12-19 | 1998-02-18 | Wickham Michael | Air separation |
US5881570A (en) * | 1998-04-06 | 1999-03-16 | Praxair Technology, Inc. | Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen |
US6347534B1 (en) * | 1999-05-25 | 2002-02-19 | Air Liquide Process And Construction | Cryogenic distillation system for air separation |
US6196024B1 (en) * | 1999-05-25 | 2001-03-06 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Cryogenic distillation system for air separation |
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 |
-
2000
- 2000-09-19 FR FR0011932A patent/FR2814229B1/fr not_active Expired - Fee Related
-
2001
- 2001-08-30 ZA ZA200107210A patent/ZA200107210B/xx unknown
- 2001-09-06 DE DE60108579T patent/DE60108579T2/de not_active Expired - Fee Related
- 2001-09-06 EP EP01402310A patent/EP1189003B1/de not_active Expired - Lifetime
- 2001-09-06 AT AT01402310T patent/ATE288064T1/de not_active IP Right Cessation
- 2001-09-13 CA CA002357302A patent/CA2357302A1/fr not_active Abandoned
- 2001-09-19 US US09/955,261 patent/US6536232B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60108579D1 (de) | 2005-03-03 |
CA2357302A1 (fr) | 2002-03-19 |
US20020053219A1 (en) | 2002-05-09 |
DE60108579T2 (de) | 2005-12-22 |
FR2814229A1 (fr) | 2002-03-22 |
EP1189003A1 (de) | 2002-03-20 |
EP1189003B1 (de) | 2005-01-26 |
FR2814229B1 (fr) | 2002-10-25 |
ATE288064T1 (de) | 2005-02-15 |
US6536232B2 (en) | 2003-03-25 |
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