Phosphoric acid extraction process
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United States of America Patent
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Sep 24, 1985
Grant Date -
N/A
app pub date -
Aug 21, 1984
filing date -
Aug 21, 1984
priority date (Note) -
Expired
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Abstract
A method for extracting phosphoric acid from wet process phosphoric acid is disclosed. N,N-dialkyl-.alpha.-aminoacids are contacted with wet process phosphoric acid to extract substantially pure phosphoric acid therefrom. The N,N-dialkyl-.alpha.-aminoacids are dissolved in a diluent.
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