Apparatus for fractional distillation under vacuum

Details Apparatus for fractional distillation under vacuum Apparatus for fractional distillation under vacuum

B - Operations, Transporting

01

D

202/111

B01D 3/10 (2006.01) B01D 3/04 (2006.01)

Patent

CA 1197211

A B S T R A C T APPARATUS FOR FRACTIONAL DISTILLATION UNDER VACUUM Apparatus for fractional distillation under vacuum, comprising an evacuable vessel (1), enclosing a first zone (11) for liquid to be distilled, a second zone (12) for distillate and a third zone (13) for residue, the vessel being provided with a plurality of vertical hollow elements (17) having sidewalls (18) forming evaporator sur- faces and being provided with inlet means (20) at their upper ends for directing liquid to be distilled from the first zone (11) towards the evaporator surfaces, each hollow element (17) surrounding at least partly a vertical cooling surface (21) to cause condensation of vaporized liquid to form distillate, each hollow element (17) bring further provided with means (26) for separately withdrawing distillate and residue from its interior into the second zone (12) and third zone (13), respectively. The vessel (1) preferably con- sists of detachably interconnected wall portions.

446390

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