Process for recycling an active slurry catalyst composition...

Details Process for recycling an active slurry catalyst composition... Process for recycling an active slurry catalyst composition...

2004-09-10

2008-10-07

Nguyen, Tam M (Department: 1797)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

C208S143000, C208S213000, C208S25400R

Reexamination Certificate

active

07431824

ABSTRACT:
The instant invention is directed to a process employing slurry catalyst compositions in the upgrading of heavy oils. The slurry catalyst composition is not permitted to settle, which would result in possible deactivation. The slurry is recycled to an upgrading reactor for repeated use and products require no further separation procedures for catalyst removal.

REFERENCES:
patent: 4485004 (1984-11-01), Fisher et al.
patent: 5298152 (1994-03-01), Kramer
patent: 5374348 (1994-12-01), Sears et al.
patent: 5871638 (1999-02-01), Pradhan et al.
patent: 6620313 (2003-09-01), Demmin et al.

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