Title:
GAS SEPARATION MEMBRANE SYSTEM AND GAS SEPARATION MEMBRANE REGENERATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/100932
Kind Code:
A1
Abstract:
In this invention: a gas inlet (11a) of a first gas separation membrane unit (11) is connected with a line (6); a compression means (21) and a heating means (61) are provided in an intermediate portion of the line (6); an impermeable gas outlet (11b) of the unit (11) is coupled by a line (14) to a gas inlet (12a) of a second gas separation membrane unit (12); a permeable gas outlet (12c) of the unit (12) is coupled by a line (17) to the suction side position of the compression means (21) on the line (6); a permeable gas outlet (11c) of the unit (11) is connected with a line (19); an outlet (12b) of the unit (12) is connected with a line (18); and regeneration gas introduced into the line (6) is circulated through the unit (11) and the unit (12) after being heated by the heating means (61) to a temperature 10 °C to 80 °C higher than that in the normal operation.
Inventors:
FUKUDA NOBUHIKO (JP)
NAKAMURA TOMOHIDE (JP)
INDE HIROKI (JP)
NAKAMURA TOMOHIDE (JP)
INDE HIROKI (JP)
Application Number:
PCT/JP2022/044193
Publication Date:
June 08, 2023
Filing Date:
November 30, 2022
Export Citation:
Assignee:
UBE CORP (JP)
International Classes:
B01D61/58; B01D53/22; B01D65/02
Foreign References:
| JP2018171596A | 2018-11-08 | |||
| JP2017177089A | 2017-10-05 | |||
| JP2013534863A | 2013-09-09 | |||
| JP2020163250A | 2020-10-08 |
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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