Fractionation method and apparatus

Details Fractionation method and apparatus Fractionation method and apparatus

1985-05-23

1986-10-21

Metz, Andrew H.

Mineral oils: apparatus

Condensing

Dephlegmators or fractionating columns

202266, 196140, B01D 342

Patent

active

046180516

ABSTRACT:
Method and apparatus for fractionating a hot vaporous hydrocarbon feed from a fluid catalytic cracking reactor wherein the hot vaporous feed is introduced into a fractionator zone near one end thereof and liquid is removed from a liquid collection zone and cooled in a heat extraction zone. A first portion of the cooled liquid is returned to a location between the liquid collection zone and the point of introduction of the vaporous feed and sprayed directly on hot condensed liquid flowing downwardly over an inclined baffle plate to quickly quench the liquid below the temperature at which polymerization of the constituents of the liquid can occur.

REFERENCES:
patent: 2398213 (1946-04-01), Dutson, Jr. et al.
patent: 3133014 (1964-05-01), Cross, Jr.
patent: 3383308 (1968-05-01), Wickham et al.
patent: 3448015 (1969-06-01), Rogers
patent: 3591485 (1971-07-01), Mason, Jr.
patent: 3766021 (1973-10-01), Randall
patent: 3826719 (1974-07-01), Boyd et al.
patent: 4230533 (1980-10-01), Giroux

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