US PATENT SUBCLASS 203 / 25
.~ Utilizing recovered heat for heating the distillation zone

Current as of: June, 1999
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203 /   HD   DISTILLATION: PROCESSES, SEPARATORY

21  DF  AND RECOVERING HEAT BY INDIRECT HEAT EXCHANGE {3}
25.~ Utilizing recovered heat for heating the distillation zone {1}
26  DF  .~.~> Compressed vapor as heat source

DEFINITION

Classification: 203/25

(under subclass 21) Processes in which the distillation zone is heated by the recovered waste heat.

SEE OR SEARCH CLASS

202, Distillation: Apparatus,

174, for multiple effect still series apparatus, 187 for apparatus in which the still and condenser are concentric and 192 for apparatus to which the cooling liquid in the condenser passes to the still to be distilled.