Title:
METHOD FOR FIXING CARBON DIOXIDE
Document Type and Number:
WIPO Patent Application WO/2022/030529
Kind Code:
A1
Abstract:
A method for fixing carbon dioxide, the method comprising: a first step S1 for passing seawater or brine through a nano-filtration membrane to produce NF membrane concentrated liquid that has been concentrated as a result of not passing through the nano-filtration membrane; a second step S2 for adding an alkali to the NF membrane concentrated liquid produced in the first step S1 so as to fix carbon dioxide through a reaction with an alkaline-earth metal contained in the NF membrane concentrated liquid and to cause deposition of an alkaline-earth metal carbonate crystal; and a third step S3 for collecting the alkaline-earth metal carbonate crystal deposited in the second step S2 from the NF membrane concentrated liquid by solid-liquid separation.
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Inventors:
NAKAGAKI TAKAO (JP)
MYERS COREY ADAM (JP)
FUJIMOTO SHO (JP)
KATO YOSHIHIKO (JP)
HIRANO SATORU (JP)
HAYAMIZU MOTOYORI (JP)
MIHO YOSHIAKI (JP)
MYERS COREY ADAM (JP)
FUJIMOTO SHO (JP)
KATO YOSHIHIKO (JP)
HIRANO SATORU (JP)
HAYAMIZU MOTOYORI (JP)
MIHO YOSHIAKI (JP)
Application Number:
PCT/JP2021/028899
Publication Date:
February 10, 2022
Filing Date:
August 04, 2021
Export Citation:
Assignee:
UNIV WASEDA (JP)
JGC CORP (JP)
SASAKURA ENG CO LTD (JP)
JGC CORP (JP)
SASAKURA ENG CO LTD (JP)
International Classes:
B01D9/02; B01D53/14; B01D61/02; B01D61/44; B01D61/58
Foreign References:
| JP2015529156A | 2015-10-05 | |||
| JP2012505145A | 2012-03-01 | |||
| JP2005097072A | 2005-04-14 | |||
| JP2015513444A | 2015-05-14 | |||
| US20040219090A1 | 2004-11-04 |
Attorney, Agent or Firm:
ARAWORE INTERNATIONAL IP LAW FIRM (JP)
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