Corrosion Control Treatment Program

The invention provides a water treatment composition comprising a cathodic inhibitor comprising at least one rare earth metal, an anodic inhibitor comprising at least one polycarboxylic acid, and a polymer dispersant comprising at least one sulfonic group. The invention also provides a method of inh...

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Bibliographische Detailangaben
Hauptverfasser:	Cheruku, Pradeep, Myers, Craig W. S, Chen, Bingzhi, Chudomel, John M, Krawczyk, Malgorzata A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
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Beschreibung
Zusammenfassung:	The invention provides a water treatment composition comprising a cathodic inhibitor comprising at least one rare earth metal, an anodic inhibitor comprising at least one polycarboxylic acid, and a polymer dispersant comprising at least one sulfonic group. The invention also provides a method of inhibiting corrosion of a metal in an industrial water system, which method includes treating water of the industrial water system with the composition of the invention, to provide treated water.