Method for distilling a liquid

Details Method for distilling a liquid Method for distilling a liquid

1981-03-13

1982-09-07

Sever, Frank

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating the distillation zone

203 27, 203 71, 203100, 203DIG8, 159 47R, B01D 126, B01D 302

Patent

active

043482619

ABSTRACT:
A continuous method and apparatus for distilling a liquid include conducting the distilling liquid through at least two successive distillation units operating at different temperature levels. The distilling liquid is vaporized in each distillation unit and the obtained vapor condensed into distillate by conducting the vapor into heat exchange relationship with the liquid discharged from the evaporators in a succeeding distillation unit which operates at a lower temperature level. At least one of the distillation units includes a plurality of communicating distillation stages, each distillation stage including an evaporator and a corresponding condenser.

REFERENCES:
patent: 3351120 (1967-11-01), Goeldner et al.
patent: 3445345 (1969-05-01), Katzen et al.

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