Color of tall oil fractions by treating soap skimmings
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United States of America Patent
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Jul 21, 1992
Grant Date -
N/A
app pub date -
Jul 31, 1991
filing date -
Jul 31, 1991
priority date (Note) -
Expired
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Abstract
The color and color stability of tall oil fractions are improved and the odor and sulfur content are reduced by treating the heated black liquor soap skimmings prior to acidulation with 1.0 to 1.5 wt. % hydrogen peroxide for at least one minute.
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