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US 10,920,154 B2Granted
Process for desalting crude oil
AssigneePetroliam Nasional Berhad (Petronas)
InventorsKris Anderson, Azlan Hussain, Martin Atkins, Jamali Basar
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Abstract
The present invention relates to a process of desalting crudeoil, in particular a process for desalting a crude oil which comprises an ionic liquid, an organic acid and any resulting organic salt.
Claims24
A process of separating an ionic liquid from a crude oil and an organic acid from the crude oil in a desalter, the process comprising the steps of:
- (i) introducing into the desalter a mixture comprising crude oil, an ionic liquid, and an organic acid, together with water in an amount of greater than 30% by volume relative to the mixture;
- and
- (ii) separating a crude oil phase from one or more liquid phases comprising the ionic liquid, organic acid, and water.
Dependencies are inferred from the claim text.