ES2076686T3 - Ciclos de separacion de aire a presion elevada con produccion de liquido. - Google Patents

Ciclos de separacion de aire a presion elevada con produccion de liquido.

Info

Publication number
ES2076686T3
ES2076686T3 ES92304337T ES92304337T ES2076686T3 ES 2076686 T3 ES2076686 T3 ES 2076686T3 ES 92304337 T ES92304337 T ES 92304337T ES 92304337 T ES92304337 T ES 92304337T ES 2076686 T3 ES2076686 T3 ES 2076686T3
Authority
ES
Spain
Prior art keywords
high pressure
air separation
column
heat exchange
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 - Lifetime
Application number
ES92304337T
Other languages
English (en)
Inventor
Rakesh Agrawal
Jianguo Xu
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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.)
Filing date
Publication date
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=ES2076686(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Application granted granted Critical
Publication of ES2076686T3 publication Critical patent/ES2076686T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F25J3/04151—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

Landscapes

  • 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)

Abstract

LA EFICIENCIA DE PRODUCCION DE PRODUCTOS LIQUIDOS DE UN PROCESO DE SEPARACION DE AIRE CRIOGENICO QUE USA UN SISTEMA DE COLUMNA DE DESTILACION QUE TIENE AL MENOS UNA COLUMNA DE DESTILACION DE ALTA PRESION (902) Y UNA COLUMNA DE DESTILACION DE BAJA PRESION (904) EN COMUNICACION TERMICA UNA CON OTRA Y EN CUYO SISTEMA LA COLUMNA DE BAJA PRESION FUNCIONA A UNA PRESION DE ENTRE 60 Y 520 KPAG (ENTRE 9 Y 75 PSIG) Y AL MENOS SE SEPARA UN 50% DEL AIRE DE SUMINISTRO COMO UN PRODUCTO DEL NITROGENO (130) DE LA COLUMNA DE BAJA PRESION (904), TENIENDO DICHO PRODUCTO UNA CONCENTRACION DE NITROGENO DE AL MENOS EL 95% Y A UNA PRESION DE AL MENOS 60 KPAG (9 PSIG), SE MEJORA MEDIANTE EL INTERCAMBIO DE CALOR (918) EXPANDIENDO ISOTROPICAMENTE EL PRODUCTO CALENTADO (920, 922) Y MEDIANTE EL USO DE LA REFRIGERACION INHERENTE DEL NITROGENO EXPANDIDO. LA REFRIGERACION PUEDE REALIZARSE MEDIANTE EL INTERCAMBIO DE CALOR (906) CONTRA UNA CORRIENTE DE LIQUIDO (5) DE LA COLUMNA DE ALTA PRESION (902) Y / O MEDIANTE EL INTERCAMBIO DE CALOR (900) CONTRA EL AIRE DE SUMINISTRO (101).
ES92304337T 1991-05-14 1992-05-14 Ciclos de separacion de aire a presion elevada con produccion de liquido. Expired - Lifetime ES2076686T3 (es)

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
ES2076686T3 true ES2076686T3 (es) 1995-11-01

Family

ID=24811887

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92304337T Expired - Lifetime ES2076686T3 (es) 1991-05-14 1992-05-14 Ciclos de separacion de aire a presion elevada con produccion de liquido.

Country Status (10)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) 2012-12-06 2014-06-11 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for the separation of air by cryogenic distillation
NZ727661A (en) 2013-03-14 2017-08-25 Thomas T Yamashita Compositions for enhancing pollination and methods for using same
AU2015219518B2 (en) 2014-02-24 2017-05-25 Thomas T. Yamashita Fertilizer compositions comprising a cellulose nutrient component and methods for using same
WO2017105188A1 (es) * 2015-12-16 2017-06-22 Encinas Luna Diego Francisco Unidad de separación por condensación fraccionada utilizando un separador flash y un dispositivo de crioenfriamiento
CA3037295A1 (en) * 2016-10-28 2018-05-03 A & A International, Llc Thermal hydraulic propulsion system
CA3037204A1 (en) 2016-12-21 2018-06-28 A & A International, Llc Renewable energy and waste heat harvesting system
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
EP3559450A4 (en) 2016-12-21 2020-12-02 A&A International, LLC RESIDUAL HEAT AND RENEWABLE ENERGY RECOVERY SYSTEM
CA3037196A1 (en) 2016-12-21 2018-06-28 A & A International, Llc Integrated energy conversion, transfer and storage system
AU2018269511A1 (en) 2017-05-16 2019-11-28 Terrence J. Ebert Apparatus and process for liquefying gases
US10813254B2 (en) * 2018-07-13 2020-10-20 Christopher Marazzo Thermal management and power system for computing infrastructure
CN112066643A (zh) * 2020-07-28 2020-12-11 上海加力气体有限公司 降低能耗的空气分离工艺
CN112229142A (zh) * 2020-10-29 2021-01-15 浙江智海化工设备工程有限公司 一种低耦合多股流复合膨胀空分流程装置及方法
CN113959179B (zh) * 2021-12-22 2022-05-03 杭州制氧机集团股份有限公司 一种用于液氩提纯的装置及方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD99431A1 (es) * 1972-09-04 1973-08-13
JPS5380384A (en) * 1976-12-27 1978-07-15 Teikoku Sanso Kk Small scale air separation method
JPS544906A (en) * 1977-06-15 1979-01-16 Nippon Oil & Fats Co Ltd Production of hard butter and highly stable liquid oil
US4604116A (en) * 1982-09-13 1986-08-05 Erickson Donald C High pressure oxygen pumped LOX rectifier
US4433989A (en) * 1982-09-13 1984-02-28 Erickson Donald C Air separation with medium pressure enrichment
GB2129115B (en) * 1982-10-27 1986-03-12 Air Prod & Chem Producing gaseous nitrogen
US4543115A (en) * 1984-02-21 1985-09-24 Air Products And Chemicals, Inc. Dual feed air pressure nitrogen generator cycle
US4560397A (en) * 1984-08-16 1985-12-24 Union Carbide Corporation Process to produce ultrahigh purity oxygen
US4790856A (en) * 1984-10-17 1988-12-13 Colgate-Palmolive Company Softening and anti-static nonionic detergent composition with sulfosuccinamate detergent
US4732597A (en) * 1986-04-22 1988-03-22 The United States Of America As Represented By The United States Department Of Energy Low energy consumption method for separating gaseous mixtures and in particular for medium purity oxygen production
US4705548A (en) * 1986-04-25 1987-11-10 Air Products And Chemicals, Inc. Liquid products using an air and a nitrogen recycle liquefier
US4704147A (en) * 1986-08-20 1987-11-03 Air Products And Chemicals, Inc. Dual air pressure cycle to produce low purity oxygen
DE3770772D1 (de) * 1986-11-24 1991-07-18 Boc Group Plc Luftverfluessigung.
JPH0792326B2 (ja) * 1987-03-06 1995-10-09 日本酸素株式会社 空気液化分離方法
DE3871220D1 (de) * 1987-04-07 1992-06-25 Boc Group Plc Lufttrennung.
US4783210A (en) * 1987-12-14 1988-11-08 Air Products And Chemicals, Inc. Air separation process with modified single distillation column nitrogen generator
GB8800842D0 (en) * 1988-01-14 1988-02-17 Boc Group Plc Air separation
GB8806478D0 (en) * 1988-03-18 1988-04-20 Boc Group Plc Air separation
US4895583A (en) * 1989-01-12 1990-01-23 The Boc Group, Inc. Apparatus and method for separating air
US4966002A (en) * 1989-08-11 1990-10-30 The Boc Group, Inc. Process and apparatus for producing nitrogen from air

Also Published As

Publication number Publication date
CA2068181A1 (en) 1992-11-15
EP0518491B2 (en) 2000-04-05
CS145592A3 (en) 1992-11-18
US5165245A (en) 1992-11-24
JPH05157448A (ja) 1993-06-22
DK0518491T3 (da) 1995-06-12
PL294545A1 (en) 1992-11-16
EP0518491B1 (en) 1995-03-01
AU630837B1 (en) 1992-11-05
JP2735742B2 (ja) 1998-04-02
DE69201522D1 (de) 1995-04-06
DE69201522T2 (de) 1995-07-13
CA2068181C (en) 1997-11-25
EP0518491A1 (en) 1992-12-16
PL168479B1 (pl) 1996-02-29

Similar Documents

Publication Publication Date Title
ES2076686T3 (es) Ciclos de separacion de aire a presion elevada con produccion de liquido.
ES2187861T3 (es) Procedimiento para la separacion de aire.
ES2086088T3 (es) Ciclos de separacion de aire con multiples hervidores, doble columna y presion elevada y su integracion en turbinas de gas.
ES2081062T3 (es) Procedimiento y aparato para la destilacion criogenica de aire.
ES2057671T3 (es) Separacion criogenica del aire con hervidor doble de producto.
AR247019A1 (es) Un procedimiento para separar los constituyentes de una corriente de gas natural.
ES2157451T3 (es) Procedimiento de licuefacion y de tratamiento de un gas natural.
KR960013411A (ko) 저순도의 산소를 제조하기 위한 사이드 칼럼 저온 정류 시스템
ES2093799T3 (es) Procedimiento de produccion de oxigeno gaseoso bajo presion.
ES2104283T3 (es) Esquemas de separacion de aire para la co-produccion de oxigeno y nitrogeno como productos gaseosos y/o liquidos.
ES2078091T3 (es) Metodo para la separacion de etilbenceno/estirol por destilacion de una mezcla liquida formada principalmente por estirol y etilbenceno.
KR930022039A (ko) 삼중 컬럼 저온정류 시스템
KR970016505A (ko) 이중 상 터어보 팽창을 이용하는 저온 정류 시스템
BRPI0417269A (pt) processo de separação de ar à baixa temperatura e aparelho de separação de ar
DE50115625D1 (de) Verfahren zur Gewinnung von gasförmigem und flüssigem Stickstoff mit variablem Anteil des Flüssigprodukts
BRPI0417444A (pt) processo e aparelho para separação de ar por meio de destilação criogênica
KR930007800A (ko) 고순도 산소를 제조하기 위한 저온정류 시스템
ES2150291T3 (es) Proceso y dispositivo para la produccion de nitrogeno comprimido.
ATE469329T1 (de) Verfahren und vorrichtung zur tieftemperaturzerlegung von luft
ES2123719T5 (es) Procedimiento y aparato de separacion criogenica de aire que produce nitrogeno a alta presion mediante nitrogeno liquido bombeado.
ES2194518T3 (es) Procedimiento para la obtencion de monoetilenglicol de elevada pureza.
ES2085117T3 (es) Licuador hibrido para aire y nitrogeno con reciclo
BR9800919A (pt) Processo e aparelho para a producão de nitrogênio de elevada pressão e de oxigênio de elevada pressão por retificacão criogênica de ar de alimentacão.
ES2050016T3 (es) Separacion criogenica del aire para producir un producto de gas a presion elevada.
KR860001330A (ko) 가압 산소를 제조하기위한 공기 분리공정

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 518491

Country of ref document: ES