Process and apparatus for the continuous determination of the sy

Details Process and apparatus for the continuous determination of the sy Process and apparatus for the continuous determination of the sy

1995-03-07

1997-03-25

Drodge, Joseph W.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

23296, 210774, B01D 902

Patent

active

056141041

ABSTRACT:
Process for determining the sylvine saturation in which the salt concentration in the solid matter-free crude solution through temperature determination at a temperature T.sub.M >T, and subsequently after contacting with KCl at a temperature T.sub.NS >T and heating to T.sub.M, is measured again, and from this data a saturation temperature T.sub.S is obtained. The temperature difference T.sub.S -T serves as a measure for the sylvine saturation degree. In this manner, the sylvine saturation degree can automatically be measured in intervals of seconds and can serve as a control value for the addition of crude salt in a hot solution process.

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Ullmann's Encyclopedia of Industrial Chemistry, 5th Edition, vol. A22, 1993, pp. 53-57.
Ullmann's Encyclopedia of Industrial Chemistry, vol. A 22, 5th Ed. Weinheim: Chemie, 1993, pp. 53, 54, 55.
Z. Angew. Phys. 27 (1969), No. 4, pp. 273-277, O. Kratky, H. Leopold and H. Stabinger ("Dichtemessungen . . . ").

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