Method of improving thermal efficiency of sidedraw fractionating

Details Method of improving thermal efficiency of sidedraw fractionating Method of improving thermal efficiency of sidedraw fractionating

1980-06-02

1981-12-29

Tufariello, T. M.

Mineral oils: processes and products

Fractionation

Distillation

208355, 208358, C10G 700, B01D 316

Patent

active

043081312

ABSTRACT:
An improved process for the fractional distillation of a multi-component liquid in a multiple tray fractional distillation column having at least one sidedraw tray is disclosed, the process being characterized by elimination of draw tray overflow from at least one sidedraw tray, provision of a circulating reflux, and removal of reflux from the locus of the circulating reflux withdrawal zone.

REFERENCES:
patent: 2323047 (1943-06-01), Jewell
patent: 2534870 (1950-12-01), Kraft
patent: 2853439 (1958-09-01), Ernst, Jr.
patent: 3301778 (1967-01-01), Cabbage
patent: 3383308 (1968-05-01), Wickham

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