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    Membrane process for separation of organic liquids
    2.
    发明公开
    Membrane process for separation of organic liquids 失效
    Filranverfahren zum Trennen von organischenFlüssigkeiten。

    公开(公告)号：EP0423949A2

    公开(公告)日：1991-04-24

    申请号：EP90310398.4

    申请日：1990-09-21

    申请人： TEXACO DEVELOPMENT CORPORATION

    发明人： Pasternak, Mordechai, Sr. ,  Bartels, Craig Roget, Sr. ,  Reale, John, Jr. ,  Shah, Vatsal Mukundlal

    IPC分类号： B01D61/36 ,  C07C29/76 ,  B01D71/38 ,  B01D71/40 ,  B01D69/12 ,  C07C68/08 ,  C07C41/34 ,  C07C45/78 ,  C07C67/48

    CPC分类号： C07C68/08 ,  B01D61/362 ,  B01D69/12 ,  B01D69/125 ,  B01D71/38 ,  B01D71/40 ,  C07C29/76 ,  C07C41/36 ,  C07C45/786 ,  C07C33/02 ,  C07C31/04 ,  C07C69/96 ,  C07C43/046

    摘要： A charge composition containing (i) an alcohol having less than three carbon atoms and (ii) an oxygenate selected from organic ethers, aldehydes, ketones, and esters is passed into contact with a first side of a non-porous membrane separating layer comprising a blend of a polyvinyl alcohol and a polyacrylic acid on a polyacrylonitrile support layer; with a pressure drop across the non-porous separating layer from the first (high pressure) side to a second (low pressure) side. At least a portion of alcohol from the charge composition and a lesser portion of oxygenate pass by pervaporation through the non-porous separating layer as a lean mixture containing more alcohol and less oxygenate than are present in said charge composition, leaving a rich liquid containing less alcohol and more oxygenate than are present in said charge composition; the lean mixture, in vapor phase at a pressure its vapor pressure being recovered as permeate from the low pressure side of the non-porous separating layer.

    摘要翻译： 含有（i）具有少于3个碳原子的醇和（ii）选自有机醚，醛，酮和酯的含氧化合物的电荷组合物与无孔膜分离层的第一面接触，所述无孔膜分离层包含 在聚丙烯腈载体层上共聚聚乙烯醇和聚丙烯酸; 在非空气分离层从第一（高压）侧到第二（低压）侧的压降。 来自电荷组合物的至少一部分醇和较少部分的含氧化合物作为含有比所述电荷组合物中存在的更多的醇和更少的氧化物的贫混合物通过非多孔分离层的渗透蒸发通过，留下含有较少的富含液体 醇和更多的含氧化合物; 贫气混合物在汽相中以其压力从蒸汽压力被回收为从无孔分离层的低压侧渗透。

    Pervaporation vessel and method
    3.
    发明公开
    Pervaporation vessel and method 失效
    渗透蒸发容器和方法

    公开(公告)号：EP0641593A1

    公开(公告)日：1995-03-08

    申请号：EP94305800.8

    申请日：1994-08-04

    申请人： TEXACO DEVELOPMENT CORPORATION

    发明人： Tuohey, David ,  Bartels, Craig Roger ,  Shah, Vatsal Mukundlal

    IPC分类号： B01D61/36 ,  B01D65/00

    CPC分类号： B01D61/362 ,  Y10S159/27 ,  Y10S159/28 ,  Y10S203/17

    摘要： Apparatus for breaking or separating a liquid mixture or emulsion having two or more components. The apparatus includes a closed vessel having one or more sequentially connected filtering compartments holding a filtering element such as a membrane assembly capable of achieving a multi-stage pervaporation to separate out a vaporous component of the solution. The apparatus further includes a bypass facility which interconnects adjacent filtering compartments. To compensate for the loss of heat energy during the vaporization segments, the residual liquid solution is bypassed into a second vaporization phase, the bypass facility including heating means for maintaining the residual solution of a predetermined liquid temperature prior to its entering the second or subsequent filtering phase.

    摘要翻译： 用于破碎或分离具有两种或多种组分的液体混合物或乳液的设备。 该设备包括具有一个或多个顺序连接的过滤室的封闭容器，该过滤室容纳过滤元件，例如膜组件，其能够实现多级全蒸发以分离出溶液的蒸气组分。 该设备还包括将相邻的过滤室互连的旁路设施。 为了补偿汽化段期间的热能损失，将残余液体溶液旁路到第二汽化阶段，旁路设施包括加热装置，用于在其进入第二次或随后的过滤之前保持预定液体温度的残余溶液 相。