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    • 4. 发明授权
    • Continuous process for the separation of mixtures of fatty substances of different melting points
    • US3870735A
    • 1975-03-11
    • US30089572
    • 1972-10-26
    • HENKEL & CIE GMBH
    • STEIN WERNERHARTMANN HELMUT
    • C09F5/10C11B7/00
    • C11B7/0091C09F5/10
    • The invention relates to an improvement of the known continuous process for the separation of mixtures of fatty substances of different melting points, in which the starting mixture by treating with an aqueous wetting agent solution is converted to a dispersion of liquid fatty substances and solid fatty substance particles, the formed dispersion is separated into two phases of different specific gravities, the lighter phase consists substantially of the liquid fatty fraction and the heavier phase of a dispersion of the solid fatty particles in the aqueous wetting agent solution. After separation of this suspension the wetting agent solution is returned to the process. The improvement consists in withdrawing a part of the recycling wetting agent solution from said dispersion of fatty particles in the aqueous wetting agent solution by separation of some or all the aqueous solution from the solid fatty particles, the solid fatty particles containing adhering aqueous phase and wetting agent are melted in the presence of an aqueous phase and the molten fatty fraction containing little wetting agent, is separated from the aqueous phase enriched with wetting agent which is recycled and the amount of wetting agent solution withdrawn is replaced with fresh wetting agent solution.
    • 7. 发明授权
    • Process for the continuous preparation of addition products of propylene oxide
    • 连续制备丙烯氧化添加剂的方法
    • US3436425A
    • 1969-04-01
    • US3436425D
    • 1967-07-14
    • HENKEL & CIE GMBH
    • STEIN WERNERUMBACH WILFRIED
    • C07C43/205C07B61/00C07C41/00C07C41/02C07C41/03C07C43/11C07C67/00C08G65/00C08G65/28C07C41/10
    • C07C41/03C07B61/00C07C43/11C07C43/1785C07C43/23
    • 1,182,200. Products of propylene oxide. HENKEL & CIE G.m.b.H. 31 Aug., 1967 [1 Sept., 1966], No. 39781/67. Heading C2C. The continuous production of addition products of propylene oxide with alcohols, phenols or addition products of ethylene oxide or propylene oxide with an alcohol or phenol is effected in a process in which propylene oxide and the reactive hydrogen-containing compound are passed, in a molar ratio of from 1:1 to 4:1 in the presence of one of the usual catalysts and under a pressure such that the reaction mixture remains liquid, through an elongated tube-like reactor having a small cross-sectional area, said reactor being surrounded by a heat exchanger such that the reaction mixture reaches a temperature of from 170-260‹ C. in the first portion of said reactor and a maximum temperature of from 260-350‹ C. in the second portion of said reactor, the time between which the reaction mixture attains its maximum temperature and leaves the reactor being not more than 5-30% of the total reaction time which is from 8 to 150 seconds, the pressure being such that the reaction mixture remains in liquid form, the product being cooled to a temperature of less than 180‹ C. immediately after leaving the reactor. Specified examples produce the adduct of 2 mols propylene oxide to 1 mol lauryl alcohol, 2 mols propylene oxide to 1 mol oleyl alcohol, 2 mols propylene oxide to 1 mol of the addition product formed from reacting 2 mols ethylene oxide with a C 12-14 alcohol mixture, 3 mols propylene oxide to 1 mol of the addition product formed from reacting 2 mols ethylene oxide with a C 12-14 alcohol mixture, and 2 mols propylene oxide with 1 mol nonylphenol. Sodium methylate is the catalyst used in each example.