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公开(公告)号：US20220127730A1
公开(公告)日：2022-04-28
申请号：US17495978
申请日：2021-10-07
Applicant: Ecolab USA Inc.
Inventor： Bingzhi Chen , Malgorzata A. Krawczyk , Craig W. S. Myers , John M. Chudomel , Pradeep Cheruku
Abstract: 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.
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