C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 47/02 (2006.01) C10G 45/04 (2006.01)
Patent
CA 2579838
The instant invention is directed to a process for upgrading heavy oils using a slurry composition. The slurry composition is prepared in a series of steps, involving mixing a Group VIB metal oxide (5) with aqueous ammonia (7) to form an aqueous mixture (15) and sulfiding the mixture to form a slurry (25). The slurry (25) is then promoted with a Group VIII metal compound. Subsequent steps involve mixing the slurry with a hydrocarbon oil (11), and combining the resulting mixture (35) with hydrogen gas (under conditions which maintain the water in a liquid phase) to produce the active slurry catalyst (55).
Cette invention concerne un procédé permettant de valoriser des huiles lourdes au moyen d'une composition en suspension. La composition en suspension est préparée en une série d'étapes qui consistent à mélanger un oxyde métallique du groupe VIB avec de l'hydroxyde d'ammonium de manière à former un mélange aqueux, puis à sulfurer le mélange de manière à former une suspension. La suspension est ensuite enrichie avec un composé métallique du groupe VIII. Les étapes suivantes consistent à mélanger la suspension avec une huile hydrocarburée, puis à combiner le mélange obtenu avec du gaz hydrogène (dans des conditions maintenant l'eau en phase liquide) de manière à produire le catalyseur à suspension active.
Chabot Julie
Chen Kaidong
Leung Pak C.
Reynolds Bruce E.
Chevron U.s.a. Inc.
Sim & Mcburney
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