Once-through coking with hydrotreating and fluid catalytic crack

Details Once-through coking with hydrotreating and fluid catalytic crack Once-through coking with hydrotreating and fluid catalytic crack

1987-09-16

1989-06-13

Caldarola, Glenn

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 54, 208 55, C10G 6906, C10G 1306

Patent

active

048390232

ABSTRACT:
Disclosed is a process for converting heavy hydrocarbonaceous feedstock to more valuable products. The feedstock is introduced into a coking unit containing a coking zone and a scrubbing zone. The bottoms fraction from the scrubbing zone is passed through a microfiltration unit, thus removing fine coke particles which are recycled to the coking zone. The substantially solids-free filtrate is hydrotreated, then passed to a catalytic cracking unit.

REFERENCES:
patent: 2053434 (1958-09-01), Moser, Jr.
patent: 2789082 (1957-04-01), Barr et al.
patent: 2905617 (1959-09-01), Jahnig et al.
patent: 2999002 (1961-09-01), Henderson
patent: 3033703 (1962-05-01), Lubben
patent: 3238117 (1966-03-01), Arey, Jr. et al.
patent: 3852185 (1974-12-01), Christman et al.
patent: 4072616 (1978-02-01), Rohlig

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