Reference No: A0053

Chemical Cleaning of Nuclear Steam Generators (C3 concept)

Steam generator condition is a key factor for plant performance, high plant availability, life time extension and is important to NPP safety. Ingress of corrosion products originating from he steam-water cycle into the steam generators and formation of deposits is a matter of fact. Amount, composition and characteristics of material ingress vary from plant to plant due to different water chemistry, material concept, blow-down techniques and effectiveness, etc. Consequently, the amount of corrosion products, the deposition area and the deposit composition are plant specific and can vary in a wide range. The Framatome C³ toolbox is providing processes ranging from maintenance to full scale cleaning.

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