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US 6,190,541 B1Granted
Process for treatment of petroleum acids (LAW824)
AssigneeExxon Research & Engineering Co.
InventorsMichael Siskin, Pacifico Viernes Manalastas, Guido Sartori
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Abstract
The invention is a process for decreasing the acidity of an organic acid containing petroleum oil, comprising contacting said petroleum oil containing organic acids with an effective amount of an alcohol and an effective trace amount of a base selected from Group IA and IIA metal carbonates, hydroxides, phosphates, and mixtures of a hydroxide and phosphate at a temperature and under conditions sufficient to form the corresponding ester of said alcohol.
Claims11
A process for decreasing the acidity of an organic acid-containing petroleum oil, comprising:
- contacting said petroleum oil containing organic acids with an effective amount of an alcohol selected from the group consisting of alkanols, alkane diols and mixtures thereof, and an effective trace amount of a base selected from Group IA and IIA metal carbonates, hydroxides, phosphates, and mixtures of a hydroxide and phosphate at a temperature and under conditions sufficient to form the corresponding ester of said alcohol.
Dependencies are inferred from the claim text.