Hydrocarbon cracking process

Details Hydrocarbon cracking process Hydrocarbon cracking process

1979-11-01

1981-04-07

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208164, 252417, C10G 1118

Patent

active

042604753

ABSTRACT:
A process for cracking hydrocarbons is disclosed in which catalyst particles are regenerated in two stages, the first employing an entrained bed of upwardly moving catalyst in cocurrent flow with regeneration gas, and the second employing a fluidized bed of catalyst in net downward movement countercurrent to regeneration gases.

REFERENCES:
patent: 2613173 (1952-10-01), Kaasa
patent: 2788311 (1957-04-01), Howard et al.
patent: 2929774 (1960-03-01), Smith
patent: 3494858 (1970-02-01), Luckenbach
patent: 3767566 (1973-10-01), Cartmell
patent: 4118338 (1978-10-01), Gross et al.

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