High efficiency process for the recovery of the high pure sterols
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United States of America Patent
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Oct 15, 2002
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N/A
app pub date -
Sep 1, 2000
filing date -
Sep 3, 1999
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Abstract
A high efficiency continuous process for the recovering high purity sterol mixtures from mixtures of neutral compounds obtained form black liquor soap skimings of the cellulose pulping industry or from tall oil pitch comprising the steps of distillation, crystallization and recirculation of the mother liquor residue.
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