ZA755356B - Process for obtaining nitrogen-rich gases, such as for example air, which in addition to n, contain at least o2 - Google Patents

Process for obtaining nitrogen-rich gases, such as for example air, which in addition to n, contain at least o2

Info

Publication number
ZA755356B
ZA755356B ZA00755356A ZA755356A ZA755356B ZA 755356 B ZA755356 B ZA 755356B ZA 00755356 A ZA00755356 A ZA 00755356A ZA 755356 A ZA755356 A ZA 755356A ZA 755356 B ZA755356 B ZA 755356B
Authority
ZA
South Africa
Prior art keywords
contain
addition
example air
rich gases
obtaining nitrogen
Prior art date
Application number
ZA00755356A
Inventor
K Knoblauch
W Peters
H Juentgen
H Horbel
W Koerbaecher
Original Assignee
Bergwerksverband 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.)
Filing date
Publication date
Application filed by Bergwerksverband Gmbh filed Critical Bergwerksverband Gmbh
Publication of ZA755356B publication Critical patent/ZA755356B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0473—Rapid pressure swing adsorption
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/116—Molecular sieves other than zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/104—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40035—Equalization
    • B01D2259/40037—Equalization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40062—Four
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40064—Five
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
ZA00755356A 1974-08-29 1975-08-21 Process for obtaining nitrogen-rich gases, such as for example air, which in addition to n, contain at least o2 ZA755356B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2441447A DE2441447C3 (en) 1974-08-29 1974-08-29 Process for the adsorptive separation of gas mixtures containing at least nitrogen in addition to nitrogen

Publications (1)

Publication Number Publication Date
ZA755356B true ZA755356B (en) 1976-07-28

Family

ID=5924411

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00755356A ZA755356B (en) 1974-08-29 1975-08-21 Process for obtaining nitrogen-rich gases, such as for example air, which in addition to n, contain at least o2

Country Status (11)

Country Link
JP (1) JPS5150298A (en)
AU (1) AU503999B2 (en)
BE (1) BE831821A (en)
BR (1) BR7505509A (en)
CA (1) CA1084421A (en)
DE (1) DE2441447C3 (en)
FR (1) FR2283094A1 (en)
GB (1) GB1480866A (en)
IT (1) IT1040717B (en)
NL (1) NL181559C (en)
ZA (1) ZA755356B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652486A1 (en) * 1976-11-18 1978-05-24 Bergwerksverband Gmbh METHOD FOR THE EXTRACTION OF NITROGEN-GASES FROM GASES CONTAINING N LOW 2 LESS THAN AT LEAST O LOW 2, E.g. AIR
US4256469A (en) * 1978-11-06 1981-03-17 Linde Aktiengesellschaft Repressurization technique for pressure swing adsorption
DE2923325A1 (en) * 1979-06-08 1980-12-11 Linde Ag CYCLICAL ADSORPTION METHOD FOR DISASSEMBLING A GAS MIXTURE
DE2932333C2 (en) * 1979-08-09 1986-08-07 Bergwerksverband Gmbh, 4300 Essen Process for the adsorptive separation of gas mixtures containing at least nitrogen in addition to nitrogen
ZA811931B (en) 1980-03-31 1982-05-26 African Oxygen Ltd Process and apparatus for the separation of gaseous mixture
JPS5745320A (en) * 1980-08-31 1982-03-15 Ishikawaken Method and equipment of production for concentration- adjustable oxygen-enriched air
GB2086258A (en) * 1980-10-30 1982-05-12 Boc Ltd Process and apparatus for separation of a gaseous mixture
DE3132572A1 (en) * 1981-08-18 1983-03-10 Linde Ag, 6200 Wiesbaden METHOD FOR THE ADSORPTIVE DISASSEMBLY OF A GAS MIXTURE
DE3137569A1 (en) * 1981-09-22 1983-04-21 Leybold-Heraeus GmbH, 5000 Köln METHOD AND DEVICE FOR PRODUCING HIGH PURITY NITROGEN
DE3146189A1 (en) * 1981-11-21 1983-05-26 Leybold-Heraeus GmbH, 5000 Köln METHOD FOR OPERATING A PRESSURE EXCHANGE SYSTEM AND PRESSURE EXCHANGE SYSTEM WORKING THIS METHOD
JPS607920A (en) * 1983-06-29 1985-01-16 Hitachi Ltd Separation of mixed gas and its apparatus
GB2152834B (en) * 1983-07-23 1987-01-28 Derek Edward Ward Producing nitrogen from air
JP2634015B2 (en) * 1993-02-25 1997-07-23 東洋エンジニアリング株式会社 Pressure swing separator for ammonia separation and ammonia separation method
JP5902920B2 (en) 2011-11-10 2016-04-13 大陽日酸株式会社 Nitrogen gas production method, gas separation method and nitrogen gas production apparatus

Also Published As

Publication number Publication date
DE2441447C3 (en) 1980-05-22
NL181559C (en) 1987-09-16
NL7510234A (en) 1976-03-02
JPS5150298A (en) 1976-05-01
FR2283094B1 (en) 1980-04-25
DE2441447A1 (en) 1976-03-18
NL181559B (en) 1987-04-16
BR7505509A (en) 1976-08-03
AU503999B2 (en) 1979-09-27
IT1040717B (en) 1979-12-20
BE831821A (en) 1976-01-28
GB1480866A (en) 1977-07-27
DE2441447B2 (en) 1979-09-06
AU8436875A (en) 1977-03-03
FR2283094A1 (en) 1976-03-26
JPS5417595B2 (en) 1979-06-30
CA1084421A (en) 1980-08-26

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