EP0305120A2
Expired / Lapsed
EP
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Process for separating gas
Assignee: Sumitomo Seika Chemicals Co Ltd
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Filing: 1988-08-19
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Granted: —
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Expires: 2008-08-19
Abstract
Abstract A process for separating a gas which comprises alternately and repeatedly carrying out a step for feeding a mixed gas under pressure to a gas separation membrane and a step for suction of a permeating gas under vacuum after stopping feed of the mixed gas.
Inventors
- 👤 Kanji Ueda
- 👤 Kazuo Haruna
- 👤 Masahiro Inoue
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 16:53
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
61 words
A process for separating a specific component from a mixed gas by feeding the mixed gas to a gas separation membrane module which comprises alternately and repeatedly carrying out a step for feeding the mixed gas under pressure to a gas separation membrane and a step for suction of a permeating gas under vacuum after stopping feed of the mixed gas.
Claim 2
Dependent Claim
61 words
A process for separating a specific component from a mixed gas by feeding the mixed gas to a gas separation membrane module which comprises alternately and repeatedly carrying out a step for feeding the mixed gas under pressure to a gas separation membrane and a step for suction of a permeating gas under vacuum after stopping feed of the mixed gas.
Claim 3
Dependent Claim
23 words
The process according to claim 1, wherein each step is repeatedly carried out at a cycle time of 2 seconds to 5 minutes.
Claim 4
Dependent Claim
17 words
The process according to claim 1, wherein one pump is commonly used for pressurization and pressure reduction.
Claim 5
Dependent Claim
17 words
The process according to claim 1, wherein different pumps are used for pressurization and pressure reduction, respectively.
Claim 6
Dependent Claim
12 words
The process according to claim 1, wherein the mixed gas is air.
References Cited (Backward Citations)
No citation records indexed.
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