Process for hydrogenation of heavy oil

Details Process for hydrogenation of heavy oil Process for hydrogenation of heavy oil

1988-07-25

1991-04-16

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Hydrogenation

208108, 208161, C10G 4500

Patent

active

050080016

ABSTRACT:
The present invention relates to a process for hydrogenating a heavy oil in a hydrogenation reactor of the suspension bed type by the use of catalyst particles and subjecting a catalyst slurry consisting of the used catalyst and the product oil withdrawn from the hydrogenation reactor to solid/liquid separation to recover the product oil and then regenerating by oxidation the used catalyst, the improvement being that the solid/liquid separation step includes at least a step of heat drying oil-containing catalyst particles.
In accordance with the process of the present invention, the rate of recovery of oil in the catalyst slurry is high and the yield of product oil can be increased.

REFERENCES:
patent: 2313940 (1943-03-01), Hirsch
patent: 3600300 (1971-08-01), Steenberg
patent: 3622495 (1971-11-01), Gatsis et al.
patent: 4040958 (1977-08-01), Rammler
patent: 4285804 (1981-08-01), Jacquin et al.
patent: 4610779 (1986-09-01), Markley et al.
patent: 4778605 (1988-10-01), Anthoney et al.
Perry's Chemical Engineers' Handbook, Sixth Edition, Section 20.

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