Title:
放射能汚染水の除染処理方法
Document Type and Number:
Japanese Patent JP7002070
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a decontamination treatment method for radioactive contaminated water and a decontamination treatment device thereof capable of increasing an absorption efficiency of a radioactive material adsorption filter for adsorbing the radioactive material upon performing the decontamination treatment of the radioactive contaminated water, and capable of safely exchanging the radioactive material adsorption filter and subjecting the exchanged radioactive material adsorption filter to incineration processing so as to enable the waste volume to be reduced to a large extent.SOLUTION: A method for decontamination treatment of radioactive contaminated water is a decontamination treatment method by allowing a radioactive material adsorption filter 1 fixed with an adsorbent 11 for adsorbing a radioactive material H to transmit a radioactive contaminated water HW and allowing the radioactive material contained in the radioactive contaminated water to be adsorbed on the adsorbent to perform the decontamination treatment. The radioactive material adsorption filter is held by a frame 13 whose outer edge 121 is combustible, and the combustible adsorbent is fixed and formed on a combustible fiber sheet 12 having a shape of a flat film in which the surface of each fiber yarn 122 is subjected to coating treatment by a polymer based protection film 123 in a state exposed from the polymer based protection film.SELECTED DRAWING: Figure 1
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Inventors:
Ichiichi Araki
Masahiro Oshima
Masahiro Oshima
Application Number:
JP2017092495A
Publication Date:
January 20, 2022
Filing Date:
May 08, 2017
Export Citation:
Assignee:
Ichiyo Dyeing Co., Ltd.
Nagoya Oshima Machine Co., Ltd.
Nagoya Oshima Machine Co., Ltd.
International Classes:
B01J20/20; G21F9/12
Domestic Patent References:
| JP2015099140A | ||||
| JP2014228376A | ||||
| JP2015129642A | ||||
| JP10170696A | ||||
| JP2014016336A | ||||
| JP2016090556A |
Foreign References:
| KR1020150145807A | ||||
| US5366634 |
Attorney, Agent or Firm:
Cosmos International Patent and Trademark Office