CS145592A3 - Cryogenic method of air flow separation - Google Patents

Cryogenic method of air flow separation Download PDF

Info

Publication number: CS145592A3
Authority: CS; Czechoslovakia
Prior art keywords: nitrogen; pressure; stream; column; expanded
Prior art date: 1991-05-14

Application number

CS921455A

Other languages

Czech (cs)

English (en)

Inventor

Rakesh Ing Agrawal

Jianguo Ing Xu

Original Assignee

Air Prod & Chem

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.)

1991-05-14

Filing date

1992-05-14

Publication date

1992-11-18

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24811887&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS145592(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-05-14 Application filed by Air Prod & Chem filed Critical Air Prod & Chem

1992-11-18 Publication of CS145592A3 publication Critical patent/CS145592A3/cs

Links

238000000034 method Methods 0.000 title claims description 36
238000000926 separation method Methods 0.000 title description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 231
229910052757 nitrogen Inorganic materials 0.000 claims description 116
239000000047 product Substances 0.000 claims description 51
239000007788 liquid Substances 0.000 claims description 50
238000004821 distillation Methods 0.000 claims description 37
238000001816 cooling Methods 0.000 claims description 26
239000012263 liquid product Substances 0.000 claims description 13
239000002808 molecular sieve Substances 0.000 claims description 12
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 12
238000010438 heat treatment Methods 0.000 claims description 11
238000004140 cleaning Methods 0.000 claims description 7
239000012530 fluid Substances 0.000 claims description 3
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 50
229910052786 argon Inorganic materials 0.000 description 25
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
239000001301 oxygen Substances 0.000 description 20
229910052760 oxygen Inorganic materials 0.000 description 20
238000009826 distribution Methods 0.000 description 15
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 11
230000008929 regeneration Effects 0.000 description 11
238000011069 regeneration method Methods 0.000 description 11
238000011084 recovery Methods 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 6
238000010992 reflux Methods 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
230000001172 regenerating effect Effects 0.000 description 4
238000009835 boiling Methods 0.000 description 3
239000002131 composite material Substances 0.000 description 3
238000005516 engineering process Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
238000007906 compression Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000007710 freezing Methods 0.000 description 2
230000008014 freezing Effects 0.000 description 2
239000007789 gas Substances 0.000 description 2
238000005086 pumping Methods 0.000 description 2
240000006394 Sorghum bicolor Species 0.000 description 1
235000011684 Sorghum saccharatum Nutrition 0.000 description 1
235000009430 Thespesia populnea Nutrition 0.000 description 1
238000004887 air purification Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000005094 computer simulation Methods 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
150000002829 nitrogen Chemical class 0.000 description 1
239000002245 particle Substances 0.000 description 1
238000010926 purge Methods 0.000 description 1
238000004088 simulation Methods 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
238000004781 supercooling Methods 0.000 description 1
239000013589 supplement Substances 0.000 description 1
239000002699 waste material Substances 0.000 description 1

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
- F25J3/04163—Hot end purification of the feed air
- F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
- F25J3/04181—Regenerating the adsorbents
- 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
- 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
- F25J3/04284—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
- F25J3/04315—Lowest pressure or impure nitrogen, so-called waste nitrogen 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
- F25J3/04248—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.
- F25J3/04393—Details relating to the work expansion, e.g. process parameter etc. using multiple or multistage gas work 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
- F25J3/04406—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
- F25J3/02—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
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04654—Producing crude argon in a crude argon column
- F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
- F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
- 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
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04721—Producing pure argon, e.g. recovered from a crude argon column
- F25J3/04733—Producing pure argon, e.g. recovered from a crude argon column using a hybrid system, e.g. using adsorption, permeation or catalytic reaction
- 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
- 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
- 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
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/939—Partial feed stream expansion, air

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Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation By Low-Temperature Treatments (AREA)

CS921455A 1991-05-14 1992-05-14 Cryogenic method of air flow separation CS145592A3 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/700,021 US5165245A (en)	1991-05-14	1991-05-14	Elevated pressure air separation cycles with liquid production

Publications (1)

Publication Number	Publication Date
CS145592A3 true CS145592A3 (en)	1992-11-18

Family

ID=24811887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS921455A CS145592A3 (en)	1991-05-14	1992-05-14	Cryogenic method of air flow separation

Country Status (10)

Country	Link
US (1)	US5165245A (fr)
EP (1)	EP0518491B2 (fr)
JP (1)	JP2735742B2 (fr)
AU (1)	AU630837B1 (fr)
CA (1)	CA2068181C (fr)
CS (1)	CS145592A3 (fr)
DE (1)	DE69201522T2 (fr)
DK (1)	DK0518491T3 (fr)
ES (1)	ES2076686T3 (fr)
PL (1)	PL168479B1 (fr)

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US5315833A (en) *	1991-10-15	1994-05-31	Liquid Air Engineering Corporation	Process for the mixed production of high and low purity oxygen
FR2704632B1 (fr) *	1993-04-29	1995-06-23	Air Liquide	Procede et installation pour la separation de l'air.
US5355681A (en) *	1993-09-23	1994-10-18	Air Products And Chemicals, Inc.	Air separation schemes for oxygen and nitrogen coproduction as gas and/or liquid products
GB9515907D0 (en) *	1995-08-03	1995-10-04	Boc Group Plc	Air separation
US5722259A (en) *	1996-03-13	1998-03-03	Air Products And Chemicals, Inc.	Combustion turbine and elevated pressure air separation system with argon recovery
US6009723A (en) *	1998-01-22	2000-01-04	Air Products And Chemicals, Inc.	Elevated pressure air separation process with use of waste expansion for compression of a process stream
DE10139097A1 (de) *	2001-08-09	2003-02-20	Linde Ag	Verfahren und Vorrichtung zur Erzeugung von Sauerstoff durch Tieftemperatur-Zerlegung von Luft
GB0307404D0 (en) *	2003-03-31	2003-05-07	Air Prod & Chem	Apparatus for cryogenic air distillation
JP4515225B2 (ja) *	2004-11-08	2010-07-28	大陽日酸株式会社	窒素製造方法及び装置
FR2930329A1 (fr) *	2008-04-22	2009-10-23	Air Liquide	Procede et appareil de separation d'air par distillation cryogenique
US8899075B2 (en) *	2010-11-18	2014-12-02	Praxair Technology, Inc.	Air separation method and apparatus
EP2741036A1 (fr)	2012-12-06	2014-06-11	L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude	Processus et appareil pour la séparation de l'air par distillation cryogénique
HK1213735A1 (zh)	2013-03-14	2016-07-15	Thomas T. Yamashita	用於增强授粉的組合物及其製備方法
AU2015219518B2 (en)	2014-02-24	2017-05-25	Thomas T. Yamashita	Fertilizer compositions comprising a cellulose nutrient component and methods for using same
WO2017105188A1 (fr) *	2015-12-16	2017-06-22	Encinas Luna Diego Francisco	Unité de séparation par condensation fractionnée utilisant un séparateur flash et un dispositif de cryorefroidissement
CA3037295A1 (fr) *	2016-10-28	2018-05-03	A & A International, Llc	Systeme de propulsion hydraulique thermique
CN110248849B (zh)	2016-12-21	2022-10-25	A&A国际有限公司	集成式能量转换、传递和存储系统
AU2017382293A1 (en)	2016-12-21	2019-04-04	A & A International, Llc	Renewable energy and waste heat harvesting system
CN110177936A (zh)	2016-12-21	2019-08-27	A&A国际有限公司	可再生能量和废热收集系统
CA3037196A1 (fr)	2016-12-21	2018-06-28	A & A International, Llc	Systeme integre de conversion, de transfert et d'accumulation d'energie
JP2020521098A (ja)	2017-05-16	2020-07-16	イーバート，テレンス，ジェイ．	気体を液化するための装置およびプロセス
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- 1992-05-07 CA CA002068181A patent/CA2068181C/fr not_active Expired - Fee Related
- 1992-05-11 JP JP4144777A patent/JP2735742B2/ja not_active Expired - Lifetime
- 1992-05-14 DE DE69201522T patent/DE69201522T2/de not_active Expired - Lifetime
- 1992-05-14 ES ES92304337T patent/ES2076686T3/es not_active Expired - Lifetime
- 1992-05-14 CS CS921455A patent/CS145592A3/cs unknown
- 1992-05-14 PL PL92294545A patent/PL168479B1/pl unknown
- 1992-05-14 EP EP92304337A patent/EP0518491B2/fr not_active Expired - Lifetime
- 1992-05-14 DK DK92304337.6T patent/DK0518491T3/da active

Also Published As

Publication number	Publication date
ES2076686T3 (es)	1995-11-01
US5165245A (en)	1992-11-24
EP0518491B2 (fr)	2000-04-05
JPH05157448A (ja)	1993-06-22
EP0518491A1 (fr)	1992-12-16
AU630837B1 (en)	1992-11-05
DK0518491T3 (da)	1995-06-12
PL168479B1 (pl)	1996-02-29
CA2068181A1 (fr)	1992-11-15
JP2735742B2 (ja)	1998-04-02
CA2068181C (fr)	1997-11-25
DE69201522T2 (de)	1995-07-13
PL294545A1 (en)	1992-11-16
DE69201522D1 (de)	1995-04-06
EP0518491B1 (fr)	1995-03-01

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