Method for cleaning a vessel

Details Method for cleaning a vessel Method for cleaning a vessel

C - Chemistry, Metallurgy

23

G

149/15

C23G 1/08 (2006.01) C23G 1/19 (2006.01) G21F 9/00 (2006.01)

Patent

CA 1316799

Abstract of the Disclosure: A method for cleaning a vessel by dissolving iron oxide present in the vessel with a complexing acid includes introducing a dissolved salt acting as an alkaline reducer and being formed of an acid acting as a complexing agent, volatile alkalizing agents and a reducing agent, into the vessel at temperatures substantially between 150°C and 250°C and just below the decomposition temperature of the complexing agent for the purpose of complexing the iron. The iron oxide is subsequently removed in the form of a dis- solved iron complex by emptying the vessel.

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