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Norcure® Chloride Extraction

Norcure® Chloride Extraction, also known as electrochemical chloride extraction (ECE) and desalination, removes chloride ions from contaminated concrete and reinstates the passivity of steel reinforcement. Chloride extraction is carried out by temporarily applying an electric field between the concrete reinforcing and an externally mounted anode mesh. During the process, chloride levels are reduced and a high pH environment is created to return the steel reinforcement to a passive condition.