Distillation: processes – separatory – Filming of distilland for vaporization
Patent
1979-02-05
1980-10-28
Yudkoff, Norman
Distillation: processes, separatory
Filming of distilland for vaporization
122234, 219314, 219275, 159 28R, B01D 300
Patent
active
042305365
ABSTRACT:
A method is disclosed for the purification of an organic heat transfer fluid without thermal degradation which comprises passing contaminated transfer fluid to a purification zone wherein the fluid is heated to produce a vapor-liquid phase in which the liquid fraction thereof is caused to flow in a narrow flowpath within the purification zone to insure maximum purification temperature and minimum purification zone vessel wall temperature. The heating may be effected by an electric resistance heating means such as bayonet-type electric heaters.
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