The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 20, 2019

Filed:

Jun. 03, 2016
Applicants:

Ebara Corporation, Tokyo, JP;

Nihon Kaisui Co., Ltd., Tokyo, JP;

Inventors:

Takashi Sakuma, Tokyo, JP;

Makoto Komatsu, Tokyo, JP;

Takeshi Izumi, Tokyo, JP;

Tomohiko Ito, Tokyo, JP;

Toru Shibuya, Fukushima, JP;

Assignees:

EBARA CORPORATION, Tokyo, JP;

NIHON KAISU CO., LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F 9/16 (2006.01); B01J 20/06 (2006.01); B01J 20/28 (2006.01); G21F 9/12 (2006.01); B01D 15/36 (2006.01); B01J 29/08 (2006.01); B01J 29/18 (2006.01); B01J 29/70 (2006.01); C08L 27/12 (2006.01); C02F 101/00 (2006.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
G21F 9/167 (2013.01); B01D 15/361 (2013.01); B01J 20/06 (2013.01); B01J 20/28 (2013.01); B01J 29/08 (2013.01); B01J 29/18 (2013.01); B01J 29/7003 (2013.01); C08L 27/12 (2013.01); G21F 9/12 (2013.01); B01D 2252/10 (2013.01); B01D 2257/60 (2013.01); C02F 2101/006 (2013.01); C02F 2101/20 (2013.01);
Abstract

Provided are an adsorbent capable of removing radioactive water liquid including iodine compounds and/or antimony by means of a water passing treatment, and a method and an apparatus for treating radioactive waste liquid by using the adsorbent. The adsorbent includes a polymer resin and 10 parts by weight or more of a hydrous hydroxide of a rare earth element based on 100 parts by weight of the polymer resin, in which the hydrous hydroxide of the rare earth element has a water content of 1 part by weight to 30 parts by weight based on 100 parts by weight of a dry product thereof, and adsorbs iodine compounds and/or antimony.


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