A process for cleaning a tank

Details A process for cleaning a tank A process for cleaning a tank

B - Operations, Transporting

08

B

B08B 3/08 (2006.01) B08B 9/08 (2006.01) C11D 1/50 (2006.01) C11D 3/30 (2006.01) C11D 11/00 (2006.01) F28G 9/00 (2006.01)

Patent

CA 2207406

The present invention relates to a process for cleaning a tank, in particular a steam boiler. Using this process, copper and copper compounds present in deposits are dissolved out. To this end, a complexing agent and a strong organic agent, preferably guanadine carbonate, are introduced into the tank. Soluble copper complexes form in aqueous solution. After this, the tank is emptied.

La présente invention se rapporte à un procédé pour nettoyer un réservoir, plus particulièrement une chaudière à vapeur. Ce procédé vous permet de faire dissoudre le cuivre et les composés du cuivre présent dans des dépôts pour les retirer de ces derniers. Pour ce faire, il faut introduire un agent chélatant et un agent organique puissant, de préférence de la guanadine carbonate, dans le réservoir. Des complexes de cuivre solubles se forment dans une solution aqueuse. Ensuite, le réservoir est vidé.

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