Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1995-07-20
1997-07-01
Gibson, Sharon
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
422 7, 422 13, 422239, 25238962, 423228, 423229, C23F 1100, C09K 1300
Patent
active
056435347
ABSTRACT:
A method for inhibiting corrosion of metals in contact with an aqueous alkanolamine solution in an amine unit for removing of acid gases from a hydrocarbon, comprising adding to the solution a sufficient amount of a corrosion-inhibiting composition comprising a blend of salicylic acid with a reaction product of maleated tall oil fatty acid polyhydroxy polyalkane and ammonium or potassium hydroxide; tallow diamine quaternary dichloride or alkanediol or mixtures thereof, and alkanol or alkanolamine. The blend may be diluted in water and may optionally include an antifoam material.
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Copending U.S. Patent Application Ser. No. 08/504,635, "Oxygen Induced Corrosion Inhibitor Compositions", by Minevski, filed Jul. 20, 1995.
Baxam Deanna
BetzDearborn Inc.
Gibson Sharon
Ricci Alexander D.
Smith Matthew W.
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