Process for upgrading heavy oil using a highly active slurry...

Details Process for upgrading heavy oil using a highly active slurry... Process for upgrading heavy oil using a highly active slurry...

C - Chemistry, Metallurgy

10

G

C10G 45/04 (2006.01) C10G 47/02 (2006.01)

Patent

CA 2579837

The instant invention is directed to a process for upgrading heavy oils using a slurry composition. The slurry composition is prepared by a series of steps, involving mixing a Group VIB metal oxide and aqueous ammonia to form an aqueous mixture, and sulfiding the mixture to form a slurry. The slurry is then promoted with a Group VIII metal. Subsequent steps involve mixing the slurry with a hydrocarbon oil and combining the resulting mixture with hydrogen gas and a second hydrocarbon oil having a lower viscosity than the first oil. An active catalyst composition is thereby formed.

Cette invention concerne un procédé permettant de valoriser des huiles lourdes au moyen d'une composition de suspension. Cette composition de suspension est préparée en plusieurs étapes qui consistent à mélanger un oxyde métallique du groupe VIB et de l'hydroxyde d'ammonium pour former un mélange aqueux, puis à sulfurer le mélange de manière à former une suspension. La suspension est ensuite enrichie avec un métal du groupe VIII. Les étapes suivantes consistent à mélanger la suspension avec une huile hydrocarbonée puis à combiner le mélange ainsi obtenu avec du gaz hydrogène et avec une seconde huile hydrocarbonée présentant une viscosité inférieure à celle de la première huile. Ce mode de réalisation permet de former une composition catalytique.

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