BR8403601A - Processo de separacao de ar - Google Patents

Processo de separacao de ar

Info

Publication number
BR8403601A
BR8403601A BR8403601A BR8403601A BR8403601A BR 8403601 A BR8403601 A BR 8403601A BR 8403601 A BR8403601 A BR 8403601A BR 8403601 A BR8403601 A BR 8403601A BR 8403601 A BR8403601 A BR 8403601A
Authority
BR
Brazil
Prior art keywords
separation process
air separation
air
separation
Prior art date
Application number
BR8403601A
Other languages
English (en)
Inventor
Tetsuo Izumichi
Takashi Ohyama
Original Assignee
Kobe Steel Ltd
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
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of BR8403601A publication Critical patent/BR8403601A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • F25J3/04303—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
    • F25J3/04406—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
BR8403601A 1983-07-20 1984-07-19 Processo de separacao de ar BR8403601A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13246683A JPS6023771A (ja) 1983-07-20 1983-07-20 空気分離方法

Publications (1)

Publication Number Publication Date
BR8403601A true BR8403601A (pt) 1985-06-25

Family

ID=15082029

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403601A BR8403601A (pt) 1983-07-20 1984-07-19 Processo de separacao de ar

Country Status (3)

Country Link
JP (1) JPS6023771A (pt)
BR (1) BR8403601A (pt)
IN (1) IN161955B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237676A (ja) * 1985-08-12 1987-02-18 株式会社神戸製鋼所 窒素発生装置
JPS62102074A (ja) * 1985-10-30 1987-05-12 株式会社日立製作所 ガス分離方法及び装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563046A (en) * 1968-01-05 1971-02-16 Hydrocarbon Research Inc Air separatiin process
IT1019710B (it) * 1974-07-12 1977-11-30 Nuovo Pignone Spa Processo ed apparato per la produ zione di elevate percentuali di os sigeno e/o azoto allo stato liquido
JPS55162579A (en) * 1979-06-06 1980-12-17 Nippon Oxygen Co Ltd Purity control of oxygen product for liquifying air separator
US4243575A (en) * 1979-07-25 1981-01-06 General Electric Company Filled thermoplastic resin compositions

Also Published As

Publication number Publication date
JPS6023771A (ja) 1985-02-06
JPS6157550B2 (pt) 1986-12-08
IN161955B (pt) 1988-03-05

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