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1. 发明专利

FR2565021A1 APPAREIL DE DECONTAMINATION DE DECHETS METALLIQUES RADIOACTIFS 未知
公开(公告)号：FR2565021A1
公开(公告)日：1985-11-29
申请号：FR8502984
申请日：1985-02-28
申请人： TOSHIBA KK , TOSHIBA KK
发明人： ENDA MASAMI , MASAMI ENDA REIKO FUJITA TETSUO MORISUE ET YUTAKA HASEGAWA , FUJITA REIKO , MORISUE TETSUO , HASEGAWA YUTAKA
IPC分类号： G21F9/00 , C23G1/36 , G21F9/30
摘要： L'INVENTION CONCERNE LA DECONTAMINATION DES DECHETS METALLIQUES RADIOACTIFS. ELLE SE RAPPORTE A UN APPAREIL DE DECONTAMINATION COMPRENANT UNE CELLULE D'ELECTROLYSE 10 CONTENANT UNE ANODE 13 ET UNE CATHODE 14. L'OBJET A DECONTAMINER 12 EST IMMERGE DANS LA SOLUTION DE NITRATE DE CERIUM 11 QUI CIRCULE DANS UN FILTRE 21 ET UNE POMPE 22. LA DECONTAMINATION EST BIEN PLUS EFFICACE QU'EN L'ABSENCE DE CIRCULATION DE LA SOLUTION. LES ELECTRODES ASSURENT LA REGENERATION DES IONS CERIUM TETRAVALENTS CONSOMMES SUR L'OBJET 12. APPLICATION A LA DECONTAMINATION DES DECHETS DES CENTRALES NUCLEAIRES.

2. 发明专利

ES2478013T3 Método para inhibir la adhesión de una sustancia radiactiva 未知
公开(公告)号：ES2478013T3
公开(公告)日：2014-07-18
申请号：ES08827827
申请日：2008-08-21
申请人： TOSHIBA KK
发明人： YAMAMOTO SEIJI , ENDA MASAMI , AOI HIROMI , URUMA YUTAKA
IPC分类号： G21D1/00 , G21C7/10 , G21C13/08 , G21C15/16 , G21C17/022 , G21C19/02 , G21C19/307 , G21D3/08 , G21F9/00 , G21F9/28
摘要： Un método para suprimir la adhesión de una sustancia radiactiva (36), que comprende: la eliminación de una película de óxido (33) formada sobre una superficie (32A) de un material metálico que forma un miembro estructural de una planta nuclear, mediante un tratamiento de descontaminación químico, a continuación el depósito de óxido de titanio como sustancia (34) para suprimir la adhesión de la sustancia radiactiva (36) directamente sobre la superficie (32A) de un material metálico que forma un miembro estructural de una planta nuclear, mediante la pulverización de un líquido en suspensión del óxido de titanio sobre la superficie (32A) del material metálico, y a continuación el mantenimiento del óxido de titanio a 80 °C o superior.

3. 发明专利

DE60324883D1 未知
公开(公告)号：DE60324883D1
公开(公告)日：2009-01-08
申请号：DE60324883
申请日：2003-11-21
申请人： TOSHIBA KK
发明人： ENDA MASAMI , YAITA YUMI , SATO MITSUYOSHI , SAKAI HITOSHI , KANASAKI TAKESHI , INAMI ICHIRO
IPC分类号： G21F9/28 , G21F9/00
摘要： A method for chemically decontaminating radioactive material. The method includes reducing-dissolving step for setting surface of radioactive material in contact with reducing decontamination liquid including mono-carboxylic acid and di-carboxylic acid as dissolvent; and oxidizing-dissolving step for setting the surface of the radioactive material in contact with oxidizing decontamination liquid including oxidizer. The method may include repeated pairs of steps, each pair including the reducing-dissolving step and the oxidizing-dissolving step. The mono-carboxylic acid may include formic acid, and the di-carboxylic acid includes oxalic acid. The oxidizer may be ozone, permanganic acid or permanganate.

4. 发明专利

DE60141114D1 未知
公开(公告)号：DE60141114D1
公开(公告)日：2010-03-11
申请号：DE60141114
申请日：2001-12-21
申请人： TOSHIBA KK
发明人： ENDA MASAMI , YAITA YUMI , SAITO NORIHISA , AOI HIROMI , INAMI ICHIRO , SAKAI HITOSHI , HIRARAGI SATOSHI , TAKAMATSU YOSHINARI
IPC分类号： G21F9/00 , C23G1/08 , C23G1/36
摘要： Chemical decontamination method of dissolving oxide film adhered to contaminated component including, preparing decontamination solution in which ozone is dissolved and oxidation additive agent, which suppresses corrosion of metal base of the contaminated component, is added, and applying the decontamination solution to the contaminated component, thereby to remove the oxide film by oxidation.

5. 发明专利

FR2565021B1 未知
公开(公告)号：FR2565021B1
公开(公告)日：1992-03-06
申请号：FR8502984
申请日：1985-02-28
申请人： TOSHIBA KK
发明人： ENDA MASAMI , FUJITA REIKO , MORISUE TETSUO , HASEGAWA YUTAKA
IPC分类号： C23G1/36 , G21F9/00 , G21F9/30
摘要： The invention resides in an apparatus for the decontamination of radioactivated metallic waste by the electrolytic oxidation-reduction with an aqueous nitric acid solution containing trivalent cerium ions, i.e. the step of converting the trivalent cerium ions into tetravalent cerium ions through electrolytic oxidation and the step of dissolving the surface layer of the radioactivated metallic waste by oxidizing it with the electrolytic solution now vested with the oxidative power of the freshly produced tetravalent cerium ions and, at the same time, effecting regeneration of the tetravalent cerium ions. The main objects of this invention are to provide a high decontamination efficiency and suppression of the amount of secondary waste to be generated to the minimum by the apparatus which is capable of thoroughly dissolving the surface layer of the object under treatment without reference to size and shapes, the very factors that prevent the conventional methods of decontamination from fulfilling their functions indiscriminately, thereby lowering the level of radioactivity to a point where the object will be handled as safely as ordinary industrial waste.

6. 发明公开

EP1983526A4 CHEMICAL DECONTAMINATION APPARATUS AND DECONTAMINATION METHOD THEREIN 有权
标题翻译：化学去污洗消THEREIN
公开(公告)号：EP1983526A4
公开(公告)日：2014-03-19
申请号：EP07713857
申请日：2007-02-06
申请人： TOSHIBA KK
发明人： ENDA MASAMI , ICHIKAWA NAGAYOSHI , KANEDA MASAYUKI , KANASAKI TAKESHI , YOSHII TOSHIHIRO , YAITA YUMI , INAMI ICHIRO
IPC分类号： G21F9/28 , B08B3/04 , G21C19/02 , G21C19/307 , G21D1/00 , G21D3/08 , G21F9/00
CPC分类号： G21F9/28 , G21F9/002 , G21F9/004
摘要： A chemical decontamination apparatus of the present invention chemically dissolves radioactive substance-containing oxide films formed or adhering on the surface of a decontamination object by using ozone water to conduct decontamination. The chemical decontamination apparatus includes an ozone generating unit for generating ozone gas, an ozone supplying device for supplying the generated ozone gas to an ozone supplying unit in water, and a sintered metal element 37 which is disposed in the ozone supplying unit and to which ozone gas is supplied from the ozone supplying device. The ozone gas supplied to a sintered metal element interior from the ozone supplying device is allowed to flow out of the element into water so as to generate ozone water.

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