Corrosion inhibition in highly acidic environments by use of...

Details Corrosion inhibition in highly acidic environments by use of... Corrosion inhibition in highly acidic environments by use of...

C - Chemistry, Metallurgy

10

G

C10G 7/10 (2006.01) C23F 11/04 (2006.01)

Patent

CA 2066797

Abstract of the Disclosure A method for inhibiting corrosion of ferrous sur- faces in an acidic, aqueous medium is disclosed. The method comprises incorporating into the medium a corro- sion-inhibiting amount of a pyridine salt composition (comprising a quaternary pyridine salt composition and/or a pyridine.HCL salt composition) and a cationic surfac- tant that forms a bilayer on the ferrous surfaces in the medium. Highly quaternized pyridine salt compositions useful in such method and a method for preparation of such compositions are also disclosed.

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