Multiple-chamber device for fractionated evaporation and...

Details Multiple-chamber device for fractionated evaporation and... Multiple-chamber device for fractionated evaporation and...

2002-08-27

2008-09-02

Warden, Jill (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S091000, C422S105000, C118S726000, C427S255600, C436S180000

Reexamination Certificate

active

07419641

ABSTRACT:
A device for evaporation of a solution based on solvent and compounds or solutes inside an enclosure comprises different evaporation zones separated by separating partitions into several distinct elementary chambers enabling fractionated evaporation via outlets generating a plurality of separate vapor flows specific to each constituent. The solution is injected into the first chamber subjected to the lowest temperature so as to impregnate a porous mobile element that passes through the different partitions, being successively in contact with said chambers heated to increasing temperatures. A neutral carrier gas is injected in the vicinity of the partitions for control of the pressure losses of the gas flows between the different chamber.

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