process of protection from corrosive environments of the external surfaces of the heat exchangers alettati copper

摘要

the invention is a process for the protection of external surfaces of objects of copper containing surface complex that includes: at least one operation of degreasing; at least one operation of decapi and one or more washing; an operation of protection of surfaces obtained with immersion in the electrolytic bath, and a possible salvage operation of the electrolytic bath; ormore additional washing; one or more drying operations.said electrolyte bath operating the protection of surfaces includes at least one conductor and a solution of salt solution of salt pond.