Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1992-07-10
1992-12-15
Dawson, Robert A.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
159 401, 159 481, 165179, 202236, 203 2, 203 24, 203 90, 203DIG4, 203DIG8, 210 86, 210 90, 210104, 210177, 210180, 210294, 210774, 210804, B01D 120, B01D 1712
Patent
active
051714558
ABSTRACT:
Small quantities of one or more liquids having a low boiling point dispersed with a large quantity of one or more immiscible liquids having a higher boiling point are separated in a rapid and efficient manner. A non-reactive gas (nitrogen, helium, air, or combinations thereof) is heated by recycled energy and make-up energy to a temperature above the boiling point of at least one liquid but below that of at least one other liquid. The heated gas is combined with the unheated or preheated liquid-liquid mixture to be separated, and the liquid-gas blend is mixed, heated and distributed by an improved heat exchanger having thermal conductive gas tubing, metal wools and fins) and nebulizer, forming a mist inside a vessel containing a pool liquid of at least one liquid having a boiling point higher than that of at least one other liquid, which pool liquid has been heated with at least a heat pump means to a temperature above the boiling point of at least one liquid but below the pool liquid's own boiling point. The liquid having high-boiling point in the mist settles by gravity and merges with the pool liquid. The vapor of liquid having low-boiling-point in the mist is collected, condensed and recovered with a condensation means. The resulting fractions of each component are then collected separately.
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Pavlovich John J.
Wang Lawrence K.
Weber Roland E.
Dawson Robert A.
Drodge Joseph
International Environmental Systems Inc.
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