Global Patent Index - EP 0418722 B1

EP 0418722 B1 19941228 - Total decontamination process for radioactive metal material.

Title (en)

Total decontamination process for radioactive metal material.

Title (de)

Verfahren zur vollständigen Dekontaminierung radioaktiver metallischer Werkstoffe.

Title (fr)

Procédé de décontamination totale de matériau métallique radioactif.

Publication

EP 0418722 B1 19941228 (EN)

Application

EP 90117571 A 19900912

Priority

IT 2177789 A 19890921

Abstract (en)

[origin: EP0418722A1] Total decontamination process for radioactive metal material, particularly for the tubes (4) of the nuclear power station tube nests, which process first uses together ultrasounds of controlled frequency (13) and a washing in a first water tank of controlled temperature (5), then only a washing in a second water tank (6) and then together ultrasounds of controlled frequency (20) and a washing in a third tank (7) contanining strong mineral acids under controlled temperature.

IPC 1-7

G21F 9/00

IPC 8 full level

G21F 9/00 (2006.01)

CPC (source: EP)

G21F 9/001 (2013.01)

Designated contracting state (EPC)

BE CH DE ES FR GB LI NL SE

DOCDB simple family (publication)

EP 0418722 A1 19910327; EP 0418722 B1 19941228; DE 69015529 D1 19950209; IT 1232632 B 19920228; IT 8921777 A0 19890921

DOCDB simple family (application)

EP 90117571 A 19900912; DE 69015529 T 19900912; IT 2177789 A 19890921