Process for recovering the salt constituents from hardening-shop salt baths
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United States of America Patent
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Jun 23, 1998
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N/A
app pub date -
Sep 27, 1996
filing date -
Oct 6, 1995
priority date (Note) -
Expired
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Abstract
The process for environmentally acceptable and economical recovery of chloride salts from hardening-shop used salts utilizing the steps of leaching of the used salt, detoxification of the cyanide and selective crystallization of the individual chloride salts. The process is characterized in that all the chloride salts that are present in the hardening-shop used salt are recovered in pure form.
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