GB1511977A – Separation of air
– Google Patents
GB1511977A – Separation of air
– Google Patents
Separation of air
Info
Publication number
GB1511977A
GB1511977A
GB45637/76A
GB4563776A
GB1511977A
GB 1511977 A
GB1511977 A
GB 1511977A
GB 45637/76 A
GB45637/76 A
GB 45637/76A
GB 4563776 A
GB4563776 A
GB 4563776A
GB 1511977 A
GB1511977 A
GB 1511977A
Authority
GB
United Kingdom
Prior art keywords
stage
air
column
cooling
prior
Prior art date
1975-12-19
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
Application number
GB45637/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
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.)
1975-12-19
Filing date
1976-11-03
Publication date
1978-05-24
1976-11-03
Application filed by Linde GmbH
filed
Critical
Linde GmbH
1978-05-24
Publication of GB1511977A
publication
Critical
patent/GB1511977A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
F25J3/04218—Parallel arrangement of the main heat exchange line in cores having different functions, e.g. in low pressure and high pressure cores
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
F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
F25J3/04024—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of purified feed air, so-called boosted air
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
F25J3/04006—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
F25J3/04103—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 using solely hydrostatic liquid head
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
F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called “auxiliary vaporiser” for vaporising and producing a gaseous product
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
F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low 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
F25J3/04284—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
F25J3/04248—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.
F25J3/04381—Details relating to the work expansion, e.g. process parameter etc. using work extraction by mechanical coupling of compression and expansion so-called companders
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
F25J2205/00—Processes or apparatus using other separation and/or other processing means
F25J2205/24—Processes or apparatus using other separation and/or other processing means using regenerators, cold accumulators or reversible heat exchangers
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
F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
F25J2250/40—One fluid being air
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
F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
F25J2250/50—One fluid being oxygen
Abstract
1511977 Air rectification LINDE AG 3 Nov 1976 [19 Dec 1975] 45637/76 Heading F4P In a two-stage air rectification, cleaned compressed feed air, prior to cooling in reversing exchangers 1, 1
GB45637/76A
1975-12-19
1976-11-03
Separation of air
Expired
GB1511977A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2557453A
DE2557453C2
(en)
1975-12-19
1975-12-19
Process for the production of gaseous oxygen
Publications (1)
Publication Number
Publication Date
GB1511977A
true
GB1511977A
(en)
1978-05-24
Family
ID=5964949
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB45637/76A
Expired
GB1511977A
(en)
1975-12-19
1976-11-03
Separation of air
Country Status (8)
Country
Link
US
(1)
US4133662A
(en)
JP
(1)
JPS5289565A
(en)
AU
(1)
AU500646B2
(en)
BR
(1)
BR7608165A
(en)
DE
(1)
DE2557453C2
(en)
FR
(1)
FR2335809A1
(en)
GB
(1)
GB1511977A
(en)
ZA
(1)
ZA761237B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2125949A
(en)
*
1982-08-24
1984-03-14
Air Prod & Chem
Plant for producing gaseous oxygen
Families Citing this family (28)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2605647A1
(en)
*
1976-02-12
1977-08-18
Linde Ag
PROCESS AND DEVICE FOR GENERATING GASOLINE OXYGEN BY TWO-STAGE LOW-TEMPERATURE RECTIFICATION OF AIR
DE2854508C2
(en)
*
1978-12-16
1981-12-03
Linde Ag, 6200 Wiesbaden
Method and device for the low-temperature decomposition of a gas mixture
FR2461906A1
(en)
*
1979-07-20
1981-02-06
Air Liquide
CRYOGENIC AIR SEPARATION METHOD AND INSTALLATION WITH OXYGEN PRODUCTION AT HIGH PRESSURE
DE3016317A1
(en)
*
1980-04-28
1981-10-29
Messer Griesheim Gmbh, 6000 Frankfurt
Liquid nitrogen prodn. process – feeds liquid oxygen into base of low pressure column for air decomposition
DE3367023D1
(en)
*
1982-05-03
1986-11-20
Linde Ag
Process and apparatus for obtaining gaseous oxygen at elevated pressure
DE3307181A1
(en)
*
1983-03-01
1984-09-06
Linde Ag, 6200 Wiesbaden
Process and apparatus for the separation of air
US4560398A
(en)
*
1984-07-06
1985-12-24
Union Carbide Corporation
Air separation process to produce elevated pressure oxygen
US4670031A
(en)
*
1985-04-29
1987-06-02
Erickson Donald C
Increased argon recovery from air distillation
JPS61259077A
(en)
*
1986-05-08
1986-11-17
株式会社神戸製鋼所
Method of separating air
US4895583A
(en)
*
1989-01-12
1990-01-23
The Boc Group, Inc.
Apparatus and method for separating air
EP0383994A3
(en)
*
1989-02-23
1990-11-07
Linde Aktiengesellschaft
Air rectification process and apparatus
FR2652887B1
(en)
*
1989-10-09
1993-12-24
Air Liquide
PROCESS AND PLANT FOR THE PRODUCTION OF VARIABLE FLOW GAS OXYGEN BY AIR DISTILLATION.
CN1071444C
(en)
*
1992-02-21
2001-09-19
普拉塞尔技术有限公司
Cryogenic air separation system for producing gaseous oxygen
FR2690982A1
(en)
*
1992-05-11
1993-11-12
Air Liquide
Impure oxygen@ large amt. prodn. avoiding large dia. low pressure column – by distn. of air using a double distn. column with medium and low pressure columns, avoiding extra distn. column mfr., utilising purificn. device, compressor and turbine
US5363657A
(en)
*
1993-05-13
1994-11-15
The Boc Group, Inc.
Single column process and apparatus for producing oxygen at above-atmospheric pressure
US5410885A
(en)
*
1993-08-09
1995-05-02
Smolarek; James
Cryogenic rectification system for lower pressure operation
FR2723184B1
(en)
*
1994-07-29
1996-09-06
Grenier Maurice
PROCESS AND PLANT FOR THE PRODUCTION OF GAS OXYGEN UNDER PRESSURE WITH VARIABLE FLOW RATE
FR2726046B1
(en)
1994-10-25
1996-12-20
Air Liquide
METHOD AND INSTALLATION FOR EXPANSION AND COMPRESSION OF AT LEAST ONE GAS STREAM
US5571309A
(en)
*
1995-07-28
1996-11-05
The Boc Group, Inc.
Adsorption process
US5794458A
(en)
*
1997-01-30
1998-08-18
The Boc Group, Inc.
Method and apparatus for producing gaseous oxygen
US5924307A
(en)
*
1997-05-19
1999-07-20
Praxair Technology, Inc.
Turbine/motor (generator) driven booster compressor
US5802872A
(en)
*
1997-07-30
1998-09-08
Praxair Technology, Inc.
Cryogenic air separation with combined prepurifier and regenerators
US5839296A
(en)
*
1997-09-09
1998-11-24
Praxair Technology, Inc.
High pressure, improved efficiency cryogenic rectification system for low purity oxygen production
US5901579A
(en)
*
1998-04-03
1999-05-11
Praxair Technology, Inc.
Cryogenic air separation system with integrated machine compression
DE10161584A1
(en)
*
2001-12-14
2003-06-26
Linde Ag
Device and method for generating gaseous oxygen under increased pressure
US9371228B2
(en)
*
2013-09-12
2016-06-21
Air Products And Chemicals, Inc.
Integrated process for production of ozone and oxygen
US11054182B2
(en)
*
2018-05-31
2021-07-06
Air Products And Chemicals, Inc.
Process and apparatus for separating air using a split heat exchanger
EP4163576A1
(en)
*
2021-10-06
2023-04-12
L’air Liquide, Societe Anonyme Pour L’etude Et L’exploitation Des Procedes Georges Claude
Apparatus and process for the separation of air by cryogenic distillation
Family Cites Families (13)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR1148546A
(en)
*
1956-09-27
1957-12-11
Air Liquide
Process of separating air into its elements
US3086371A
(en)
*
1957-09-12
1963-04-23
Air Prod & Chem
Fractionation of gaseous mixtures
US3034306A
(en)
*
1959-06-05
1962-05-15
British Oxygen Co Ltd
Separation of air
GB985068A
(en)
*
1960-04-11
1965-03-03
British Oxygen Co Ltd
Separation of air
GB929798A
(en)
*
1960-04-11
1963-06-26
British Oxygen Co Ltd
Low temperature separation of air
DE1112997B
(en)
*
1960-08-13
1961-08-24
Linde Eismasch Ag
Process and device for gas separation by rectification at low temperature
DE1155458B
(en)
*
1961-02-23
1963-10-10
Linde Eismasch Ag
Method and device for the decomposition of gas mixtures by low-temperature rectification
US3079759A
(en)
*
1961-03-22
1963-03-05
Air Prod & Chem
Separation of gaseous mixtures
DE1135935B
(en)
*
1961-10-26
1962-09-06
Linde Eismasch Ag
Method and device for the production of low-purity oxygen by low-temperature air separation
GB943669A
(en)
*
1961-11-03
1963-12-04
Petrocarbon Dev Ltd
Separation of oxygen from air
US3264831A
(en)
*
1962-01-12
1966-08-09
Linde Ag
Method and apparatus for the separation of gas mixtures
US3236059A
(en)
*
1962-08-29
1966-02-22
Air Prod & Chem
Separation of gaseous mixtures
US3327488A
(en)
*
1964-04-17
1967-06-27
Air Prod & Chem
Refrigeration system for gas liquefaction
1975
1975-12-19
DE
DE2557453A
patent/DE2557453C2/en
not_active
Expired
1976
1976-03-02
ZA
ZA761237A
patent/ZA761237B/en
unknown
1976-11-03
GB
GB45637/76A
patent/GB1511977A/en
not_active
Expired
1976-12-02
AU
AU20216/76A
patent/AU500646B2/en
not_active
Expired
1976-12-06
BR
BR7608165A
patent/BR7608165A/en
unknown
1976-12-16
FR
FR7637895A
patent/FR2335809A1/en
active
Granted
1976-12-16
US
US05/751,453
patent/US4133662A/en
not_active
Expired – Lifetime
1976-12-17
JP
JP15104876A
patent/JPS5289565A/en
active
Granted
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2125949A
(en)
*
1982-08-24
1984-03-14
Air Prod & Chem
Plant for producing gaseous oxygen
Also Published As
Publication number
Publication date
FR2335809B1
(en)
1982-09-10
FR2335809A1
(en)
1977-07-15
DE2557453C2
(en)
1982-08-12
BR7608165A
(en)
1977-11-22
ZA761237B
(en)
1977-02-23
US4133662A
(en)
1979-01-09
JPS5289565A
(en)
1977-07-27
DE2557453A1
(en)
1977-06-30
JPS5634784B2
(en)
1981-08-12
AU500646B2
(en)
1979-05-31
AU2021676A
(en)
1978-06-08
Similar Documents
Publication
Publication Date
Title
GB1511977A
(en)
1978-05-24
Separation of air
GB1516478A
(en)
1978-07-05
Production of oxygen by the two-stage low-temperature rectification of air
US4964901A
(en)
1990-10-23
Low-temperature separation of air using high and low pressure air feedstreams
KR950033378A
(en)
1995-12-22
Low Temperature Rectification System for Manufacturing High Pressure Nitrogen
GB1325881A
(en)
1973-08-08
Cryogenic separation of air
GB1099669A
(en)
1968-01-17
Gas liquefaction process
ES8305656A1
(en)
1983-04-16
Method of producing gaseous oxygen and a cryogenic plant in which said method can be performed.
GB1387472A
(en)
1975-03-19
Thermal cycle for the compression of a fluid by the expansion of another fluid
GB1329861A
(en)
1973-09-12
Separation of nitrogen and oxygen from gaseous mixtures containing the same
JPS5544307B2
(en)
1980-11-11
GB1149300A
(en)
1969-04-23
Improvements in the production of nitrogen by air separation
GB1325166A
(en)
1973-08-01
Air rectification process for the production of gaseous or liquid nitrogen
GB1180904A
(en)
1970-02-11
Air Separation Process.
GB1282643A
(en)
1972-07-19
Method and apparatus for producing refrigeration
GB1073570A
(en)
1967-06-28
Process for the fractionation of air and for the associated fractionation of hydrogen-containing gas mixtures
GB1500610A
(en)
1978-02-08
Separating air to produce oxygen and/or nitrogen in the liquid state
CA2058847A1
(en)
1992-07-16
Air separation
GB1096781A
(en)
1967-12-29
Improvements in refrigeration
US5515687A
(en)
1996-05-14
Process and installation for the production of oxygen and/or nitrogen under pressure
GB977220A
(en)
1964-12-02
Improvements in or relating to the manufacture of oxygenenriched air
US4325719A
(en)
1982-04-20
Process for recovering nitrogen under pressure in air separation apparatus
GB929798A
(en)
1963-06-26
Low temperature separation of air
GB1511976A
(en)
1978-05-24
Separation of low-boiling gas mixtures
EP0932001A3
(en)
1999-10-20
An air separation process using warm and cold expanders
TW237436B
(en)
1995-01-01
Legal Events
Date
Code
Title
Description
1978-10-04
PS
Patent sealed [section 19, patents act 1949]
1993-06-30
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19921103
