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    • 9. 发明授权
    • Process for recovering organic compounds from aqueous streams containing same
    • 从含有它们的水流中回收有机化合物的方法
    • US07713418B2
    • 2010-05-11
    • US10590685
    • 2005-02-18
    • Timothy C. FrankThomas C. ThyneFelipe A. Donate
    • Timothy C. FrankThomas C. ThyneFelipe A. Donate
    • B01D15/00C02F1/44B01D11/04
    • C07C227/40C07C29/86C07C51/48C07C55/10C07C59/08C07C55/14C07C59/265C07C53/08C07C31/225C07C31/205C07C31/22C07C31/26C07C229/24
    • A method for a liquid-liquid extraction of hydrophilic organic compounds from aqueous solutions thereof is described. The method generally includes intermixing a sufficient quantity of a specified glycol ether with the aqueous liquor at a first temperature to form a suspension comprising an aqueous raffinate phase and a glycol ether extract phase; separating the glycol ether extract phase from the aqueous raffinate phase; heating the glycol ether extract phase to a second, higher temperature to form a suspension comprising an aqueous extract phase containing a portion of the hydrophilic organic compound and a glycol ether raffinate phase; and separating this glycol ether raffinate phase from the aqueous extract phase. The selected glycol ether has an inverse solubility in water and the partition ratio, value K, for the hydrophilic organic compound is greater than 0.1. This method is useful for recovering valuable hydrophilic organic acids produced via fermentation or produced or used in various manufacturing processes.
    • 描述了从其水溶液中液 - 液萃取亲水性有机化合物的方法。 该方法通常包括在第一温度下将足够量的特定二醇醚与含水液体混合以形成包含残液相和二醇醚萃取相的悬浮液; 从萃余水相中分离出乙二醇醚萃取相; 将乙二醇醚提取相加热至第二较高温度以形成包含含有一部分亲水性有机化合物和二醇醚萃余相的含水萃取相的悬浮液; 并从水相萃取相中分离出该二醇醚萃余相。 所选择的二醇醚在水中具有相反的溶解度,并且亲水性有机化合物的分配比值K大于0.1。 该方法可用于回收通过发酵生产或生产或用于各种制造工艺中的有价值的亲水性有机酸。
    • 10. 发明授权
    • Process for removing water from aqueous solutions of proteins
    • 从蛋白质水溶液中除去水分的方法
    • US08883472B2
    • 2014-11-11
    • US10590095
    • 2005-02-18
    • Felipe A. DonateTimothy C. FrankBarbara J. Grabowski
    • Felipe A. DonateTimothy C. FrankBarbara J. Grabowski
    • C07K1/00C07K1/14
    • C07K1/145
    • A method for extracting water from an aqueous solution of a protein comprising the steps of: (a) intermixing the aqueous solution of the protein with a sufficient quantity of at least one glycol ether at a temperature at least 30 centigrade degrees above the lower critical solution temperature (LCST), preferably at least 20 centigrade degrees above the LCST, and most preferably at least 10 degrees above the LCST, to form a suspension comprising a concentrated aqueous protein phase and a liquid organic phase comprising said at least one glycol ether and at least 10 percent water extracted from the aqueous solution of the protein, wherein the glycol ether has an inverse solubility in water, with the proviso that the solubility of the glycol ether in water is significantly less than the solubility of water in the glycol ether, and the glycol ether does not significantly deactivate the protein, and (b) separating the concentrated aqueous protein phase formed in step (a) from at least a portion of the liquid organic phase.
    • 一种从蛋白质水溶液中提取水的方法,包括以下步骤:(a)将蛋白质水溶液与足够量的至少一种二醇醚在比较低临界溶液高至少30摄氏度的温度下混合 温度(LCST),优选高于LCST至少20摄氏度,最优选高于LCST至少10度,以形成包含浓缩的蛋白质水相和包含所述至少一种二醇醚的液体有机相的悬浮液,并且在 从蛋白质水溶液中提取的最少10%的水,其中乙二醇醚在水中具有相反的溶解度,条件是二醇醚在水中的溶解度显着小于水在乙二醇醚中的溶解度,以及 乙二醇醚不会使蛋白质显着失活,和(b)将步骤(a)中形成的浓缩水性蛋白质相从至少一个孔 液体有机相。