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Title:
AIR PURIFICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/199164
Kind Code:
A1
Abstract:
An air purification system for purifying air in a room, wherein the air purification system comprises: a carbon dioxide removal device that includes a first space and a second space partitioned by a separation membrane that selectively transmits carbon dioxide; a feed path for guiding air in the room to the first space; a return path for guiding purified air, from which carbon dioxide has been removed, from the first space into the room; a supply path for supplying a sweep gas having a lower carbon dioxide partial pressure than that of the air in the room into the second space; and a discharge path for discharging the sweep gas that has mixed with the carbon dioxide transmitted through the separation membrane from the second space.

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Inventors:
UMEMOTO KATSUYA
KISHIMOTO TERUO
OKUMURA KAZUHIRO
Application Number:
PCT/JP2018/016795
Publication Date:
November 01, 2018
Filing Date:
April 25, 2018
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B01D53/22; F24F3/147; F24F7/003; F24F7/08
Domestic Patent References:
WO2008136215A12008-11-13
Foreign References:
JP2010120496A2010-06-03
JPH0361198A1991-03-15
US20130074688A12013-03-28
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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