Increased production of wet process phosphoric acid by gelatin addition
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United States of America Patent
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Feb 9, 1982
Grant Date -
N/A
app pub date -
Jan 29, 1981
filing date -
Jan 29, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved method for the production of wet process phosphoric acid wherein the addition of relatively small amounts of gelatin to the reaction system substantially increases the filtration rate of the calcium sulphate crystals without adversely affecting the quality of the acid.
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