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    • 9. 发明授权
    • Continuous process of oxidative cleavage of vegetable oils
    • 植物油氧化裂解的连续过程
    • US09346732B2
    • 2016-05-24
    • US14456243
    • 2014-08-11
    • Novamont S.p.A.
    • Arno BieserGiampietro BorsottiFrancesca DigioiaAdriano FerrariAlexxandro Pirocco
    • C07C51/16C07C51/09C07C51/245C07C51/353
    • C07C51/285C07C51/09C07C51/16C07C51/245C07C51/347C07C51/353C11C1/04C07C55/02C07C55/18C07C53/126
    • A continuous process for the oxidative cleavage of vegetable oils containing triglycerides of unsaturated carboxylic acids, to obtain saturated carboxylic acids, comprising feeding to a first continuous reactor a vegetable oil, an oxidizing compound and catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols: feeding to a second continuous reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and triglycerides containing saturated carboxylic acids with more than one acid function (ii); separating the saturated monocarboxylic acids (i) from the triglycerides (ii); hydrolyzing in a third reactor the triglycerides (ii) to obtain glycerol and saturated carboxylic acids with more than one acid function; and purifying said saturated carboxylic acids by fractioned crystallization by means of wash column (melt crystallization).
    • 包含含有不饱和羧酸甘油三酯的植物油的氧化裂解以获得饱和羧酸的连续方法,包括向第一连续反应器中加入能够催化烯属双键的氧化反应的植物油,氧化剂和催化剂 得到含有连位二醇的中间体化合物:向第二连续反应器进料所述中间体化合物,含有氧的化合物和能够催化邻位二醇与羧基的氧化反应的催化剂,得到饱和一元羧酸(i)和甘油三酸酯 含有多于一个酸官能团的饱和羧酸(ii); 将饱和一元羧酸(i)与甘油三酯(ii)分离; 在第三反应器中水解甘油三酯(ii)以获得具有多于一个酸官能团的甘油和饱和羧酸; 并通过洗柱分级结晶(熔融结晶)纯化所述饱和羧酸。