Still

Details Still Still

1984-11-28

1986-07-01

Bashore, S. Leon

Distillation: processes, separatory

Filming of distilland for vaporization

202235, 202236, 202238, 159 61, 159 49, 159DIG8, 165 88, B01D 122

Patent

active

045978352

ABSTRACT:
A still comprises a housing, a hollow rotor rotatably mounted in the housing and having one or more outlets for liquid at the periphery thereof, means for rotating the rotor about its axis, a plurality of concentric lamellar bodies of thermally conductive material mounted in the hollow interior of said rotor so as to provide a labyrinthine path within the rotor for liquid moving radially outwardly under centrifugal force and for vapor moving radially inwardly with respect to the rotor, vaporizing means for vaporizing liquid to be distilled, liquid inlet means for introducing liquid to a radially inner part of the hollow interior of said rotor, vapor outlet means communicating with a radially inner part of the hollow interior of said rotor, and liquid outlet means for removal of liquid from the housing, whereby in use vapor is constrained to move radially inwardly and liquid to move radially outwardly under centrifugal force within said rotor, fractionation occurring at least in part by condensation of vapor on the radially outer surfaces of said lamellar bodies and by evaporation from liquid on the radially inner surfaces of said lamellar bodies, the heat of condensation being conducted through said lamellar bodies from the outer surfaces thereof to provide heat of evaporation at the inner surfaces thereof.

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