Distillation: apparatus – Apparatus – Systems
Patent
1980-05-12
1981-12-22
Bascomb, Jr., Wilbur L.
Distillation: apparatus
Apparatus
Systems
202153, 202179, 202185D, 202234, 202242, 203 19, 203 25, 203 26, 203 98, 203DIG1, 203DIG8, 203DIG13, 203DIG22, B01D 326, C07C 2980
Patent
active
043069401
ABSTRACT:
A process and apparatus especially suited for distilling alcohol from aqueous fermentation liquors wherein liquid vapors from a body of a liquid mixture (4) which is to be distilled pass from a container (2) holding the liquid mixture to a vapor heating chamber (8) disposed above the container where the vapors are heated by solar radiation and/or heat exchange with a source of process heat. The vapors are then withdrawn from the vapor heating chamber, compressed, passed in heat exchange relation with the liquid mixture and introduced into a reflux column (15) disposed in the interior of the body of liquid to be distilled near the center of the container. An aqueous fraction (24) is collected from the bottom of the reflux column, and an alcohol vapor fraction is withdrawn from the top of the reflux column and further condensed in heat exchange contact with the liquid mixture to produce an alcohol fraction (32). Condensation of the vapors in heat exchange contact with the distilland mixture causes the heat released by the condensation to be recycled to the distilland to promote further evaporation.
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Bascomb, Jr. Wilbur L.
Evapro-Tech, Inc.
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