Title:
METHOD AND DEVICE FOR REDUCING HTO CONCENTRATION IN HTO-CONTAINING AQUEOUS SOLUTION
Document Type and Number:
WIPO Patent Application WO/2018/221531
Kind Code:
A1
Abstract:
The present invention relates to a method for reducing the HTO concentration in a tritium-containing aqueous solution. The present invention includes bringing water vapor or the like of a tritium-containing aqueous solution into contact with a porous material having pores in a pore diameter range of 500 Å or less, selectively occluding the HTO in the tritium-containing aqueous solution in the porous material, and obtaining a tritium-containing aqueous solution in which the HTO concentration thereof is reduced. The present invention relates to a device used for reducing the HTO concentration in a tritium-containing aqueous solution. The present invention includes a reservoir for a raw tritium-containing aqueous solution, a means for generating water vapor or the like of the tritium-containing aqueous solution, an occlusion means in which is accommodated a porous material having pores in a pore diameter range of 500 Å or less, and a means for recovering the tritium-containing aqueous solution in which the HTO concentration is reduced. The present invention furthermore includes a transfer means for transferring the water vapor or the like to the occlusion means, and a means for transferring the tritium-containing aqueous solution in which the HTO concentration is reduced from the occlusion means to a recovery means.
Inventors:
IHARA TATSUHIKO (JP)
YAMANISHI HIROKUNI (JP)
NOMA HIROSHI (JP)
TAIRA TOSHIFUMI (JP)
HOSHIYA TAKASHI (JP)
FUJIMOTO KAZUYA (JP)
YAMANISHI HIROKUNI (JP)
NOMA HIROSHI (JP)
TAIRA TOSHIFUMI (JP)
HOSHIYA TAKASHI (JP)
FUJIMOTO KAZUYA (JP)
Application Number:
PCT/JP2018/020607
Publication Date:
December 06, 2018
Filing Date:
May 29, 2018
Export Citation:
Assignee:
UNIV KINKI (JP)
A ATOM TECHNOL KINDAI (JP)
TOYO ALUMINIUM KK (JP)
A ATOM TECHNOL KINDAI (JP)
TOYO ALUMINIUM KK (JP)
International Classes:
G21F9/06; B01D59/26; B01J20/08; B01J20/10; B01J20/12; B01J20/18; B01J20/28; G21F9/02
Domestic Patent References:
| WO2016031896A1 | 2016-03-03 | |||
| WO2016199800A1 | 2016-12-15 | |||
| WO2016158549A1 | 2016-10-06 |
Foreign References:
| JPH10128072A | 1998-05-19 | |||
| JP2017504785A | 2017-02-09 | |||
| JP2015164709A | 2015-09-17 | |||
| JP2016151475A | 2016-08-22 | |||
| JP2016027321A | 2016-02-18 |
Other References:
"Regarding current state of tritium at Fukushima-Daiichi Nuclear Power Plant [Material 4-1", MATERIAL IN THE WEBSITE OF TOKYO ELECTRIC POWER COMPANY HOLDINGS, INC., 26 April 2013 (2013-04-26), Retrieved from the Internet
"Removal of tritium from water becomes possible - Rosatom", MATERIALS IN THE WEBSITE OF GLOVAL ENERGY POLICY RESEARCH, Retrieved from the Internet
MATERIAL OF MITSUBISHI RESEARCH INSTITUTE, INC., October 2014 (2014-10-01)
J. PLASMA FUSION RES., vol. 85, no. 10, 2009, pages 726 - 735
KENICHI SAKAMOTO, LIGHT METALS, vol. 22, no. 4, 1972, pages 295
See also references of EP 3633685A4
"Removal of tritium from water becomes possible - Rosatom", MATERIALS IN THE WEBSITE OF GLOVAL ENERGY POLICY RESEARCH, Retrieved from the Internet
MATERIAL OF MITSUBISHI RESEARCH INSTITUTE, INC., October 2014 (2014-10-01)
J. PLASMA FUSION RES., vol. 85, no. 10, 2009, pages 726 - 735
KENICHI SAKAMOTO, LIGHT METALS, vol. 22, no. 4, 1972, pages 295
See also references of EP 3633685A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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