Process for producing high-purity potassium salts
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United States of America Patent
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Aug 14, 2001
Grant Date -
N/A
app pub date -
Dec 4, 1998
filing date -
Jun 13, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a new selective process for producing high-purity potassium nitrate or potassium phosphate. The process uses a liquid agricultural or fermentation by-product, such as molasses, vinasse or potato thick juice as its potassium source and comprises the following unit operations: clarification, ion exchange, neutralization, concentration and crystallization. Importantly, the present invention also concerns a process for producing an ingredient for animal feed, said ingredient having a reduced potassium content.
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