SEPARATION OF HYDROCARBONS FROM AQUEOUS MIXTURE USING FOULING RESISTANT REVERSE OSMOSIS MEMBRANE
    4.
    发明申请
    SEPARATION OF HYDROCARBONS FROM AQUEOUS MIXTURE USING FOULING RESISTANT REVERSE OSMOSIS MEMBRANE 审中-公开
    使用防潮反渗透膜从水性混合物中分离烃

    公开(公告)号:US20160304363A1

    公开(公告)日:2016-10-20

    申请号:US15035900

    申请日:2014-12-15

    摘要: A method for separating hydrocarbons and naphthenic acid from an aqueous mixture containing the same by passing the mixture through a spiral wound element to produce a permeate stream and concentrate stream wherein the concentrate stream has a relatively higher concentration of hydrocarbons than the permeate stream, wherein the spiral wound element includes a composite poly amide membrane comprising a porous support and a thin film poly amide layer, wherein the membrane is characterized by having: i) a NaCl rejection and a benzene tetra carboxylic acid rejection of at least 98% when tested with an aqueous solution containing 2000 ppm NaCl and 100 ppm benzene tetra carboxylic acid at 25° C., pH 8 and ImPa (150 psi); and ii) a dissociated carboxylate content of at least 0.3 moles/kg of polyamide at pH 9.5 as measured by Rutherford Backscattering (RBS).

    摘要翻译: 通过使混合物通过螺旋缠绕元件以产生渗透物流和浓缩物流从其含水混合物中分离烃和环烷酸的方法,其中浓缩物流具有比渗透物流更高浓度的烃,其中 螺旋缠绕元件包括复合聚酰胺膜,其包括多孔载体和薄膜聚酰胺层,其中所述膜的特征在于具有:i)当测试时,具有以下特征:i)NaCl排斥和苯四羧酸排斥率至少为98% 在25℃,pH8和ImPa(150psi)下含有2000ppm NaCl和100ppm苯四羧酸的水溶液; 和ii)通过卢瑟福反向散射(RBS)测量的在pH9.5下至少0.3摩尔/ kg聚酰胺的解离的羧酸盐含量。

    METHOD FOR SOLUBILIZING CARBOXYLIC ACID-CONTAINING COMPOUND IN HYDROCARBON SOLVENT
    7.
    发明申请
    METHOD FOR SOLUBILIZING CARBOXYLIC ACID-CONTAINING COMPOUND IN HYDROCARBON SOLVENT 有权
    在碳氢化合物溶剂中溶解含羧酸的化合物的方法

    公开(公告)号:US20140264162A1

    公开(公告)日:2014-09-18

    申请号:US13844841

    申请日:2013-03-16

    IPC分类号: C08G69/00

    CPC分类号: C08G69/00 C08G69/26

    摘要: A method for increasing the solubility of a hydrocarbon compound comprising an aliphatic or arene moiety substituted with at least one acyl halide and at least one carboxylic acid functional group within a hydrocarbon solvent, wherein the method includes the step of preparing a solution comprising: at least 80 v/v % of the hydrocarbon solvent, the hydrocarbon compound, and a tri-hydrocarbyl phosphate compound, wherein the concentration of the hydrocarbon compound is greater than its solubility limit within the solvent but less than its solubility limit in the solution and the hydrocarbon.

    摘要翻译: 一种用于提高烃化合物的溶解度的方法,所述烃化合物包含在烃溶剂中被至少一种酰卤和至少一种羧酸官能团取代的脂族或芳族部分,其中所述方法包括制备溶液的步骤,所述方法包括:至少 80v / v%的烃溶剂,烃化合物和磷酸三烃基化合物,其中烃化合物的浓度大于其在溶剂中的溶解度极限,但小于其在溶液和烃中的溶解度极限 。

    COMPOSITE POLYAMIDE MEMBRANE POST TREATED WITH NITROUS ACID
    10.
    发明申请
    COMPOSITE POLYAMIDE MEMBRANE POST TREATED WITH NITROUS ACID 审中-公开
    复合聚酰胺薄膜后处理硝酸

    公开(公告)号:US20170050152A1

    公开(公告)日:2017-02-23

    申请号:US15302255

    申请日:2015-05-05

    摘要: A method for making a composite polyamide including the steps of: i) applying a polar solution comprising a polyfunctional amine monomer and a non-polar solution comprising a polyfunctional acyl halide monomer to a surface of a porous support and interfacially polymerizing the monomers to form a thin film polyamide layer; ii) treating the thin film polyamide layer with a polyfunctional arene compound; and iii) exposing the thin film polyamide layer to nitrous acid; wherein the non-polar solutions further comprises at least one of the following: (A) at least 50 vol % of a C5 to C20 aliphatic hydrocarbon and from 2 to 25 vol % of benzene or benzene substituted with one or more C1 to C6 alkyl groups; and (B) an acid-containing monomer comprising a C2-C20 hydrocarbon moiety substituted with at least one carboxylic acid functional group or salt thereof and at least one amine-reactive functional group.

    摘要翻译: 一种制备复合聚酰胺的方法,包括以下步骤:i)将包含多官能胺单体的极性溶液和包含多官能酰卤单体的非极性溶液施加到多孔载体的表面,并使单体界面聚合形成 薄膜聚酰胺层; ii)用多官能芳族化合物处理薄膜聚酰胺层; 和iii)将薄膜聚酰胺层暴露于亚硝酸; 其中所述非极性溶液还包含以下至少一种:(A)至少50体积%的C 5至C 20脂族烃和2至25体积%的被一个或多个C 1至C 6烷基取代的苯或苯基 团体 和(B)包含被至少一个羧酸官能团或其盐取代的C 2 -C 20烃部分和至少一个胺反应性官能团的含酸单体。