NOVEL PROCESS FOR SEPARATING AND PURIFYING COMPONENTS IN TALL OIL FATTY ACIDS
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United States of America Patent
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Nov 1, 2018
app pub date -
Apr 26, 2018
filing date -
Apr 28, 2017
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Abstract
The present disclosure provides an efficient process for separating components of tall oil fatty acids (TOFA) and for purifying TOFA from rosin. The process includes mixing TOFA with a novel solvent system containing urea to form urea clathrates, resulting in separation of saturated fatty acids from unsaturated ones and rosin from TOFA by utilizing proper urea to TOFA ratio.
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