ADDITIVES FOR INCREASING THE SEPARATION YIELD OF TALL OIL SOAP FROM BLACK LIQUORS
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[(CH<SUB>2</SUB>CHCH<SUB>3</SUB>O)x(CH<SUB>2</SUB>CH<SUB>2</SUB>O)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.
申请公布号
WO2008092005(A2)
申请公布日期
2008.07.31
申请号
WO2008US51915
申请日期
2008.01.24
申请人
NALCO COMPANY;SVARZ, JAMES, J.;DUGGIRALA, PRASAD, Y.;WORLEY, GRADY, E.
发明人
SVARZ, JAMES, J.;DUGGIRALA, PRASAD, Y.;WORLEY, GRADY, E.