Rotatory evaporator having enhanced heat transfer

Details Rotatory evaporator having enhanced heat transfer Rotatory evaporator having enhanced heat transfer

B - Operations, Transporting

01

D

161/11

B01D 1/22 (2006.01) B01D 1/30 (2006.01) B01D 3/08 (2006.01) F28F 13/04 (2006.01)

Patent

CA 1239340

ABSTRACT "Rotatory Evaporator Having Enhanced Heat Transfer" An evaporator comprises a plurality of substantially parallel plates mounted for rotation about a common axis and in which provision is made for a condensible vapor to flow across a first face of each of said plates and for a liquid, at least a portion of which is to be evaporated, to flow across the second face of each of said plate, which plates are arranged to be rotatable at such a mean acceleration, measured in a radial direction with respect to said axis of rotation, greater than the acceleration due to gravity, said first face of each of said plates has a surface designed to discourage formation of a continuous liquid film thereon. The evaporator may be used to concentrate solutions, e.g. of depleted brine or aqueous caustic soda.

448177

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