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US 10,767,116 B2Granted
Method and composition for neutralizing acidic components in petroleum refining units
AssigneeDow Global Technologies LLC
InventorsRunyu Tan, Lorenzo Spagnulo
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Abstract
A method of inhibiting corrosion and fouling in petroleum refining units which comprises adding choline hydroxide either alone or in combination with a hydrogen-bond donor such as a carboxylic acid, an amine, an amide, or an alcohol.
Claims7
A process for neutralizing acidic components in a distillation overhead system of a refining unit comprising water condensate and petroleum products, the process comprising:
- adding to the distillation overhead system a neutralizing amount of a neutralizing composition comprising an aqueous solution of choline hydroxide and an hydrogen-bond donor, the hydrogen bond donor being glycerol, the distillation overhead system including an overhead line off of a distillation column and the neutralizing composition being added in the overhead line.
Dependencies are inferred from the claim text.