Method of formulating alkali earth salts
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United States of America Patent
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Feb 17, 2004
Grant Date -
N/A
app pub date -
Apr 15, 1999
filing date -
Oct 13, 1998
priority date (Note) -
Expired
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Abstract
Methodology for formulating sodium bicarbonate and potassium sulfate. In one embodiment, sodium sulfate and ammonium bicarbonate are reacted to form sodium bicarbonate with the remaining liquor or brine treated with sulfuric acid to remove carbonates with subsequent precipitation of potassium sulfate. A further embodiment employs ammonium bicarbonate, ammonia gas or carbon dioxide to precipitate sodium bicarbonate. The result of the methods is the production of high quality fertilizer and food grade sodium bicarbonate.
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