C - Chemistry – Metallurgy – 23 – G
Patent
C - Chemistry, Metallurgy
23
G
C23G 1/00 (2006.01) C04B 41/53 (2006.01) C08J 7/00 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2189345
The invention is directed to a method of removing chloride ion, a compound thereof, or flash rust (metal oxide) from a surface contaminated with chloride. The method comprises the steps of providing a surface contaminated with chloride ion, a compound thereof or flash rust, and applying a dilute aqueous solution containing an active agent selected from the group consisting of an amine, anionic surfactant, organic carboxylic acid, organic sulfonic acid, and mixtures thereof to the surface in an amount sufficient to remove substantially all of the chloride ion, compound thereof, or flash rust from the surface.
Procédé permettant d'éliminer des ions chlorure, un composé les contenant ou de la rouille (oxyde de métal) d'une surface contaminée par du chlorure. Ce procédé consiste à appliquer sur ladite surface une solution aqueuse diluée contenant un agent actif sélectionné dans le groupe composé d'une amine, d'un tensioactif anionique, d'un acide carboxylique organique, d'un acide sulfonique organique et de mélanges de ces composés, dans une quantité suffisante pour éliminer de ladite surface essentiellement la totalité des ions chlorure, des composés les contenant ou de la rouille.
Colahan Jerry J.
Eden Todd R.
Johnson James R.
Chlor Rid International Inc.
H.e.r.c. Products Incorporated
Macrae & Co.
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