Method for anodically decreasing conradson carbon content of...

C - Chemistry – Metallurgy – 10 – G

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C10G 32/02 (2006.01) C10G 75/00 (2006.01)

Patent

CA 2221536

The present invention provides for a method for decreasing the Conradson carbon content of petroleum streams by forming a mixture of the petroleum stream and an essentially aqueous electrolysis medium, and passing an electric current through the mixture at an anodic voltage and pH sufficient to produce a petroleum fraction having decreased Conradson carbon content. The anodic voltage is from +0.5 to +1.5V vs. SCE. Preferably the pH is acidic. The invention provides a method for enhancing the value of petroleum feeds that traditionally have limited use in refineries.

La présente invention fournit une méthode pour réduire la teneur en carbone Conradson des fractions de pétrole en formant un mélange constitué de la fraction de pétrole et d'un milieu d'électrolyse essentiellement aqueux, et en appliquant au mélange un courant électrique ayant un potentiel anodique et un pH suffisant pour produire une fraction de pétrole ayant une teneur réduite en carbone Conradson. Le potentiel anodique varie de +0,5 à +1,5V par rapport à une électrode au calomel saturée. De préférence, le pH est acide. L'invention porte également sur une méthode pour accroître la valeur des charges d'alimentation de pétrole qui, traditionnellement, ont une utilisation limitée dans les raffineries.

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