Method for anodically demetallating refinery feedstreams

Details Method for anodically demetallating refinery feedstreams Method for anodically demetallating refinery feedstreams

C - Chemistry, Metallurgy

10

G

204/81

C10G 32/02 (2006.01)

Patent

CA 2221512

-11- The present invention provides for a method for demetallating petroleum streams, comprising: subjecting a hydrocarbon soluble metals-containing petroleum stream and an aqueous electrolysis medium to a sufficient anodic potential and at a pH sufficient to produce a treated petroleum stream having a decreased metals content. The invention provides a method for enhancing the value of petroleum feeds that traditionally have limited use in refineries due to their metals, particularly Ni and V content.

La présente invention porte sur une méthode de démétallisation des distillats de pétrole. Elle consiste à soumettre un distillat de pétrole renfermant des métaux solubles dans les hydrocarbures et un milieu électrolytique aqueux à un potentiel anodique et à un pH suffisants pour produire un distillat de pétrole traité possédant un contenu métallique réduit. L'invention porte aussi sur une méthode permettant de rehausser la valeur des matières premières de pétrole qui ont habituellement une utilité limitée dans les raffineries en raison des métaux qu'ils renferment, particulièrement le Ni et le V.

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