Published April 15, 1994 | Version v1
Patent Metadata-only

Process and installation for decontaminating by anodic electrolysis the inner surface of a metallic tube and especially for steam generator tubes

Creators

Description

The metal tube is decontaminated by electrolysis using an electrolyte of phosphoric acid foam which is pumped countercurrent to the movement of a tubular cathode. The cathode is drawn through the tube step by step or continuously by slow displacement. 2 figs

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Additional details

Additional titles

Original title (French)
Procede d'electro-decontamination anodique de l'interieur de corps creux metalliques, notamment de tubes de circuits primaires de centrale nucleaire, et installation de mise en oeuvre dudit procede

Publishing Information

Imprint Pagination
16 p.
IPC:
Int. Cl. G21f9/00; G21f9/30; G21c17/017; C25f5/00.
IPC
Int. Cl. G21f9/00; G21f9/30; G21c17/017; C25f5/00.
Patent number
FR patent document 2696864/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
26037885
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
DECONTAMINATION; ELECTROLYSIS; FOAMS; PHOSPHORIC ACID; PWR TYPE REACTORS; STEAM GENERATORS; TUBES
Descriptors DEC
BOILERS; CLEANING; COLLOIDS; DISPERSIONS; ENRICHED URANIUM REACTORS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; OXYGEN COMPOUNDS; PHOSPHORUS COMPOUNDS; POWER REACTORS; REACTORS; THERMAL REACTORS; VAPOR GENERATORS; WATER COOLED REACTORS; WATER MODERATED REACTORS

Optional Information

Secondary number(s)
FR patent application 9212221.