Fractionation apparatus providing improved heat recovery from bo

Details Fractionation apparatus providing improved heat recovery from bo Fractionation apparatus providing improved heat recovery from bo

1979-06-28

1981-10-20

Sever, Frank

Distillation: apparatus

Apparatus

Systems

202158, 202234, 203100, B01D 338

Patent

active

042959365

ABSTRACT:
An energy efficient design of fractionation column in which the liquid at the column bottom must be cooled to prevent thermal degradation, the column being provided with a perforated annular baffle through which liquid from the lowermost tray is channeled to the outlet of the column bottom, while a body of cooler recycled liquid is maintained in the column bottom outside of said baffle.

REFERENCES:
patent: Re28524 (1975-08-01), Brebant
patent: 4036865 (1977-07-01), Hartmann et al.
patent: 4180438 (1979-12-01), Brandt et al.

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