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

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

Reexamination Certificate

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Details

C208S058000, C208S067000, C208S108000, C208S111350, C208S21600R, C208S217000, C208S25100H, C208S25400R, C502S220000

Reexamination Certificate

active

10938200

ABSTRACT:
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 with 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 compound. Subsequent steps involve mixing the slurry with a hydrocarbon oil, and combining the resulting mixture with hydrogen gas (under conditions which maintain the water in a liquid phase) to produce the active slurry catalyst.

REFERENCES:
patent: 4710486 (1987-12-01), Lopez et al.
patent: 4824821 (1989-04-01), Lopez et al.
patent: 4970190 (1990-11-01), Lopez et al.
patent: 5162282 (1992-11-01), Lopez et al.
patent: 5164075 (1992-11-01), Lopez
patent: 5178749 (1993-01-01), Lopez et al.
patent: 5484755 (1996-01-01), Lopez
patent: 2002/0125172 (2002-09-01), Que et al.
patent: 2002/0166797 (2002-11-01), Banerjee
patent: 2006/0054535 (2006-03-01), Chen et al.

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