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METHOD OF RECOVERING TALL OIL SOAP FROM SPENT BLACK LIQUOR
METHOD OF RECOVERING TALL OIL SOAP FROM SPENT BLACK LIQUOR
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机译:从黑液中回收塔尔油皂的方法
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摘要
Methods of increasing the yield of tall oil soap from a black liquor are provided. In an embodiment, the method comprises adding a separation aid to the black liquor. The separation aid comprises alkyl alcohol alkoxylates of formula RO[(CH2CHCH3O)x(CH2CH2O)y]M and combinations thereof, wherein R is straight or branched alkyl of about 8 to about 22 carbon atoms; x is 1 to about 20; y is about 20 to about 80 and M is H or an alkali metal.
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