Cracking of heavy hydrocarbons with improved yields of valuable

Details Cracking of heavy hydrocarbons with improved yields of valuable Cracking of heavy hydrocarbons with improved yields of valuable

1984-03-19

1985-11-05

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 55, 208 74, 208 77, 208164, 208 88, 208 91, C10G 5102, C10B 5502

Patent

active

045512299

ABSTRACT:
Hydrocarbon feedstocks, especially those high in Ramsbottom carbon, are vaporized by contact with a relatively inactive coked cracking catalyst, separating the resulting intermediate into a high and low boiling fraction, and cracking the high boiling fraction in a fluid catalytic cracker containing active cracking catalyst.

REFERENCES:
patent: 3684689 (1972-08-01), Patton et al.
patent: 4436613 (1984-03-01), Sayle et al.

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