Method for the distillation purification of organic heat transfe

Details Method for the distillation purification of organic heat transfe Method for the distillation purification of organic heat transfe

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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patent: 1191916 (1916-07-01), Brooks et al.
patent: 2224131 (1940-12-01), Bailey
patent: 3066214 (1962-11-01), Arnold
patent: 3113090 (1963-12-01), Ort et al.
patent: 3340157 (1967-09-01), Weiss
patent: 3907696 (1975-09-01), Jackson et al.
patent: 3931028 (1976-01-01), Jackson et al.
patent: 4139418 (1979-02-01), Sech

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