Co2 treatment to remove organically bound metal ions from crude
AssigneeExxonMobil Research and Engineering Company
InventorsSaul Charles Blum, Guido Sartori, Martin Leo Gorbaty, David William Savage, David Craig Dalrymple, William Edward Wales
Life of this patent
Estimating the term…
Abstract
The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation.
Claims9
A process to remove a +2 ionic charged metal from the organic phase of a petroleum feed comprising contacting said feed with an aqueous carbon dioxide solution and at a temperature between 40° C. and 200° C. and autogenous pressure to produce a demetalated crude in the essential absence of emulsion formation and an aqueous stream enriched in metallic bicarbonates.
Dependencies are inferred from the claim text.