Distillation: processes – separatory – Plural distillations performed on same material – One a distillation under positive pressure or vacuum
Patent
1988-10-31
1990-02-13
Bascomb, Wilbur
Distillation: processes, separatory
Plural distillations performed on same material
One a distillation under positive pressure or vacuum
203 80, 203 91, 203 94, 203DIG6, 55 41, 55 55, 55 73, 159 471, 202173, 202205, B01D 310, B01D 1900
Patent
active
049004034
ABSTRACT:
An apparatus and process for separating a more volatile substance from a liquid in which it is dissolved by vacuum means. The apparatus has a perforated inner casing having a plurality of sub-stages which contain packing material to provide a tortuous path of interstices for the liquid to flow through; an outer casing surrounds the inner casing to define an evacuating space between the outer and inner casing and vacuum means to create a vacuum in the evacuating space which communicates with the sub-stages through the perforations in the inner casing. The vacuum means also acts to pull off the more volatile substance.
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Bascomb Wilbur
Energy Conservation Partnership Ltd.
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