Process and apparatus for the continuous determination of the sylvine saturation of hot solutions for monitoring and controlling the hot solubilizing of a crude potash salt
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United States of America Patent
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Mar 25, 1997
Grant Date -
N/A
app pub date -
Mar 7, 1995
filing date -
Mar 9, 1994
priority date (Note) -
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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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