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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.

Patent No.:

US 9824782 B1

PDFFull Text
Date of Patent:
Nov. 21, 2017

Filed:

Oct. 01, 2013

Photocatalyst injection method and photocatalyst injection system

Applicant:

Kabushiki Kaisha Toshiba, Minato-Ku, JP;

Inventors:

Masato Okamura, Yokohama, JP;

Osamu Shibasaki, Yokohama, JP;

Koji Negishi, Yokohama, JP;

Seiji Yamamoto, Setagaya, JP;

Hiroyuki Arai, Kamakura, JP;

Yutaka Uruma, Kawasaki, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Sharon M Davis

Int. Cl.
CPC ...
G21C 19/307 (2006.01); G21D 1/00 (2006.01); B01J 35/00 (2006.01); G21C 17/022 (2006.01); B01J 37/34 (2006.01); B01J 23/40 (2006.01); B01J 23/60 (2006.01); B01J 23/89 (2006.01); B01J 19/12 (2006.01); C23F 11/18 (2006.01); G21C 15/28 (2006.01); G21C 19/28 (2006.01); G21C 19/40 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
G21C 19/307 (2013.01); B01J 19/123 (2013.01); B01J 23/40 (2013.01); B01J 23/60 (2013.01); B01J 23/8906 (2013.01); B01J 35/004 (2013.01); B01J 37/345 (2013.01); C23F 11/18 (2013.01); G21C 15/28 (2013.01); G21C 17/0225 (2013.01); G21C 19/28 (2013.01); G21C 19/40 (2013.01); G21D 1/00 (2013.01); B01J 37/0225 (2013.01); B01J 2219/0869 (2013.01); B01J 2219/0877 (2013.01); B01J 2219/1203 (2013.01); G21Y 2002/103 (2013.01); G21Y 2004/10 (2013.01); Y02E 30/40 (2013.01);
Abstract

A photocatalyst injection system including: a reactor primary system coolant collection section collecting a reactor primary system coolant containing a noble metal or noble metal ion from a reactor primary system; a photocatalyst addition section adding a photocatalyst to the collected reactor primary system coolant; an ultraviolet irradiation section irradiating, with ultraviolet rays, the coolant to which the photocatalyst has been added for producing, in the coolant, a noble metal-carrying photocatalyst in which the noble metal is carried on a surface of the photocatalyst; and a noble metal-carrying photocatalyst injection section injecting the coolant containing the noble metal-carrying photocatalyst into the reactor primary system.

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