Purification of crystallized solids made via continuous crystallization
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United States of America Patent
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Nov 1, 1988
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N/A
app pub date -
Jul 27, 1984
filing date -
Jul 27, 1984
priority date (Note) -
Expired
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Abstract
Crystal solids made via the continuous crystallization of a crude, concentrated aqueous feed solution are recovered as a crystalline solid product that is relatively free of impurities present in the crystallizer liquor. A portion of the withdrawn crystallizer slurry is concentrated in a first hydroclone, diluted with crystallizer feed solution, concentrated in a second hydroclone, and centrifuged and dried to recover the crystalline solid product.
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