Process for regenerating spent heavy hydrocarbon hydroprocessing

Details Process for regenerating spent heavy hydrocarbon hydroprocessing Process for regenerating spent heavy hydrocarbon hydroprocessing

1990-10-15

1991-12-10

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208216R, 208217, 208251H, 502 49, C10G 4712

Patent

active

050715380

ABSTRACT:
The present invention relates to a spent hydroprocessing catalyst regeneration process wherein the catalyst is subjected to an initial partial decoking step, followed by the addition of at least one rare earth metal, and then subjected to a final decoking step.

REFERENCES:
patent: 4975399 (1990-12-01), Gardner
patent: 4994423 (1991-02-01), Clark et al.

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