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    • 6. 发明申请
    • METHOD OF SEPARATING PHENOLIC COMPOUNDS IN SALIFIED FORM
    • 分解形式的酚醛化合物的方法
    • US20140094628A1
    • 2014-04-03
    • US14099311
    • 2013-12-06
    • Magali DESOUHANT-MASSACRET
    • Magali DESOUHANT-MASSACRET
    • C07C41/34
    • C07C41/34C07C37/82C07C41/36C07C43/23C07C39/04C07C39/07C07C39/06
    • The subject of the present invention is a method for separating phenolic compounds in salified form from a reaction medium comprising them. The method of the invention for separating phenolic compounds in salified form from an aqueous reaction medium resulting from the reaction of a phenolic compound and of glyoxylic acid in the presence of a base leading to a reaction medium comprising at least the excess of initial phenolic compound in salified form and the various mandelic compounds in salified form resulting from the reaction, is characterized by the fact that said reaction medium is brought into contact with a basic anion-exchange resin that leads to the selective attachment of the initial phenolic compound to said resin and to the recovery of an aqueous stream comprising the mandelic compounds in salified form resulting from the reaction, and that the phenolic compound in salified form attached to the resin is separated by a resin regeneration treatment.
    • 本发明的主题是从包含它们的反应介质中分离成盐形式的酚类化合物的方法。 本发明的方法用于从碱性化合物与乙醛酸的反应产生的水性反应介质中分离成盐形式的酚类化合物,所述碱在导致至少包含过量的初始酚类化合物的反应介质的存在下进行, 盐化形式和由反应产生的盐化形式的各种扁桃酸化合物的特征在于所述反应介质与碱性阴离子交换树脂接触,所述碱性阴离子交换树脂导致初始酚类化合物选择性连接到所述树脂上, 回收包含由反应产生的盐化形式的扁桃酸化合物的水流,并且通过树脂再生处理分离与树脂附着的成盐形式的酚类化合物。
    • 9. 发明申请
    • Mass Separation Method of Magnolol from Magnoliae Cortex Radix
    • 木兰木兰的大分离方法
    • US20080188693A1
    • 2008-08-07
    • US11915721
    • 2005-06-21
    • Jin Sook KimYun Mi LeeDae Sik Jang
    • Jin Sook KimYun Mi LeeDae Sik Jang
    • C07C39/15
    • C07C37/82C07C37/004C07C37/685C07C37/84C07C39/21
    • The present invention related to method for the mass separation of magnolol from Magnoliae cortex or Magnoliae radix. The method comprises the steps of: 1) crushing Magnoliae cortex or Magnoliae radix, extracting the crushed material with organic solvent, adding n-hexane to the extract so as to obtain a n-hexane layer; 2) concentrating the n-hexane layer in a water bath at a temperature of 30-40 ° C. and a revolution speed of 40-200 RPM under reduced pressure so as to form a crude crystal; and 3) removing the n-hexane from the crude crystal, completely dissolving the crude crystal in chloroform, adding n-hexane to the n-hexane-containing solution, and leaving the solution to stand at room temperature so as to recrystallize the solution. In the method, a column chromatography step which is necessarily carried out in the general separation process is omitted so that separation process steps are reduced, leading to a saving in separation time. Also, expensive equipment is not required, leading a reduction in separation cost. Accordingly, the method is effective for the mass separation of expensive magnolol.
    • 本发明涉及厚朴与厚朴与木兰质量分离的方法。 该方法包括以下步骤:1)粉碎玉兰大麦或木兰,用有机溶剂萃取粉碎物,向提取液中加入正己烷,得到正己烷层; 2)将正己烷层在30-40℃的温度和40-200RPM的转速下在水浴中浓缩,以形成粗晶体; 3)从粗结晶中除去正己烷,将粗结晶完全溶解在氯仿中,向正己烷溶液中加入正己烷,使溶液在室温下静置,使溶液重结晶。 在该方法中,省略了在一般的分离过程中必须进行的柱色谱步骤,从而减少了分离工艺步骤,从而节省了分离时间。 此外,不需要昂贵的设备,导致分离成本的降低。 因此,该方法对于昂贵的厚朴酚的质量分离是有效的。
    • 10. 发明授权
    • Production of bisphenol-A with reduced sulfur content
    • 生产具有降低硫含量的双酚A
    • US07112703B2
    • 2006-09-26
    • US11043800
    • 2005-01-26
    • Rainer NeumannUlrich BlaschkeStefan Westernacher
    • Rainer NeumannUlrich BlaschkeStefan Westernacher
    • C07C39/16
    • C07C37/20C07C37/70C07C37/82C07C37/84C08G64/06C07C39/16
    • A process for the production of bisphenol-A having low concentration of sulphur is disclosed. The process comprise a) reacting phenol with acetone in the presence of a sulfonic acid ion exchanger to form a product mixture containing water, bisphenol-A/phenol adduct, phenol and sulfurous particles, and b) filtering the product mixture to separate the sulfurous particles to obtain a purified product mixture that contains water, phenol and bisphenol-A/phenol adduct. In one embodiment of the process further comprise distilling the purified product mixture to remove the water to obtain a first material system that contains said adduct and phenol, crystallizing the adduct, and removing the phenol by filtration using a filtering apparatus to obtain crystalline adduct. In a yet additional embodiment the process comprise crystallizing the purified product mixture to obtain a second material system that contains crystalline adduct, water and phenol and removing the phenol and water by filtration using a filtering apparatus to obtain crystalline adduct.
    • 公开了一种生产低浓度硫的双酚A的方法。 该方法包括a)在磺酸离子交换剂存在下使苯酚与丙酮反应,形成含有水,双酚A /苯酚加成物,苯酚和亚硫酸颗粒的产物混合物,和b)过滤产物混合物以分离出亚硫酸颗粒 以获得含有水,苯酚和双酚A /苯酚加合物的纯化产物混合物。 在该方法的一个实施方案中还包括蒸馏纯化的产物混合物以除去水以获得含有所述加合物和苯酚的第一材料体系,结晶加合物,并使用过滤装置通过过滤除去苯酚以获得结晶加合物。 在另外的实施方案中,该方法包括使纯化的产物混合物结晶以获得含有结晶加合物,水和苯酚的第二材料体系,并使用过滤装置通过过滤除去苯酚和水以获得结晶加合物。