(19)
(11) EP 0 071 020 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.12.1985 Bulletin 1985/52

(43) Date of publication A2:
09.02.1983 Bulletin 1983/06

(21) Application number: 82105586

(22) Date of filing: 24.06.1982
(84) Designated Contracting States:
DE FR GB

(30) Priority: 30.06.1981 JP 10064781
30.06.1981 JP 10064981

(71) Applicant: KABUSHIKI KAISHA TOSHIBA
 ()

(72) Inventor:
  • Miyaji, Nobuyoshi
     ()

   


(54) Method for removing radioactive material from devices and apparatus therefor


(57) A method for removing radioactive material fixed to a device (4), comprising the steps of immersing the contaminated device (4) in a sodium flow (13), thereby dissolving the radioactive material into the sodium flow (13), and thereafter collecting the radioactive material in a trap (7). An apparatus for carrying out above method, wherein a receptacle (1) for receiving a device (13) contaminated with radioactive material and a trap (7) for the radioactive material are disposed in a sodium-circulating system provided with a heating means (9).






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