Process for precipitation of Carnallite from aqueous solutions
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United States of America Patent
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Aug 30, 2016
Grant Date -
Feb 4, 2016
app pub date -
Mar 13, 2014
filing date -
Mar 14, 2013
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Abstract
There is provided a process for extracting Carnallite from an aqueous solution, the process comprising steps of pre-heating the solution comprising said Carnallite in a series of at least two heat exchangers, thereby obtaining a pre-heated solution; and concentrating said pre-heated solution in a series of at least two evaporation units, whereby forming a concentrated solution and hot vapors; wherein at least one of said evaporation units employs steam for indirect heating, and wherein at least one of said heat exchanger units employs the heat of said hot vapors formed in said evaporation units.
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