The Dynatec Difference RINSE RECOVERY AND REUSE The Application A steel coil-coating plant was using de -ionized (DI) rinse water in an electro-galvanizing operation. The rinses also contained sulfuric acid, zinc or zinc-nickel in solution and dissolved iron. The goals for the project were to reduce the waste disposal by concentrating the zinc and/or zinc -nickel in an acidic solution for reuse in the electro -galvanizing operat

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