JPS55152518A - Concentrating method for gas containing oxygen - Google Patents

Concentrating method for gas containing oxygen

Info

Publication number
JPS55152518A
JPS55152518A JP5805379A JP5805379A JPS55152518A JP S55152518 A JPS55152518 A JP S55152518A JP 5805379 A JP5805379 A JP 5805379A JP 5805379 A JP5805379 A JP 5805379A JP S55152518 A JPS55152518 A JP S55152518A
Authority
JP
Japan
Prior art keywords
column
oxygen
gas
adsorption
exhaust process
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.)
Granted
Application number
JP5805379A
Other languages
Japanese (ja)
Other versions
JPS632646B2 (en
Inventor
Masaomi Tomomura
Hiroshi Yokoyama
Shunsuke Nokita
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5805379A priority Critical patent/JPS55152518A/en
Publication of JPS55152518A publication Critical patent/JPS55152518A/en
Publication of JPS632646B2 publication Critical patent/JPS632646B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Separation Of Gases By Adsorption (AREA)

Abstract

PURPOSE: To shorten an exhaust process and concentrate gas containing oxygen in high purity and high yield by a mechanism wherein adsorption columns according to a PSA method are arranged in parallel, the column under a pressure reduction- exhaust process is pressure-equalized with oxygen enriching gas in the column after an adsorption process, and the gas is shifted to the next process.
CONSTITUTION: In a PSA method components thereof except oxygen are adsorbed from gas containing oxygen and concentrated, adsorption columns A-1, A-2 are disposed in parallel, and an adsorption process and a pressure reduction-exhaust process are alternately performed. When valves V-1, V-2 are opened and oxygen enriching gas remaining in the column A-1 is introduced into the column A-2 after the processes are completed, the pressure of the column A-1 is released, and the column A-2 is pressurized. And the column A-1 is used as the pressure reduction- exhaust process and the column A-2 as the adsorption process. Thus, since the oxygen enriching gas is employed for regenerating an adsorbent, the exhaust process is shortened, and gas highly enriched with oxygen is obtained in high yield.
COPYRIGHT: (C)1980,JPO&Japio
JP5805379A 1979-05-14 1979-05-14 Concentrating method for gas containing oxygen Granted JPS55152518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5805379A JPS55152518A (en) 1979-05-14 1979-05-14 Concentrating method for gas containing oxygen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5805379A JPS55152518A (en) 1979-05-14 1979-05-14 Concentrating method for gas containing oxygen

Publications (2)

Publication Number Publication Date
JPS55152518A true JPS55152518A (en) 1980-11-27
JPS632646B2 JPS632646B2 (en) 1988-01-20

Family

ID=13073166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5805379A Granted JPS55152518A (en) 1979-05-14 1979-05-14 Concentrating method for gas containing oxygen

Country Status (1)

Country Link
JP (1) JPS55152518A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684377A (en) * 1985-05-17 1987-08-04 Seitetsu Kagaku Co., Ltd. Process for producing oxygen-enriched gas
US4756723A (en) * 1987-03-04 1988-07-12 Air Products And Chemicals, Inc. Preparation of high purity oxygen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684377A (en) * 1985-05-17 1987-08-04 Seitetsu Kagaku Co., Ltd. Process for producing oxygen-enriched gas
US4756723A (en) * 1987-03-04 1988-07-12 Air Products And Chemicals, Inc. Preparation of high purity oxygen

Also Published As

Publication number Publication date
JPS632646B2 (en) 1988-01-20

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