Zein recovery using non-porous membranes
    2.
    发明授权
    Zein recovery using non-porous membranes 失效
    使用无孔膜回收玉米素

    公开(公告)号:US06846909B2

    公开(公告)日:2005-01-25

    申请号:US10437589

    申请日:2003-05-14

    IPC分类号: C07K14/425 C07K14/415

    CPC分类号: C07K14/425

    摘要: A membrane process for treating zein solutions to increase the zein concentration in the solution. The process uses a non-porous membrane that preferentially permeates the solvent and rejects the zein. Optionally, the process can be operated as a diafiltration process to yield a concentrate of high zein purity.

    摘要翻译: 用于处理玉米醇溶蛋白溶液以增加溶液中玉米醇溶蛋白浓度的膜方法。 该方法使用优先渗透溶剂并排除玉米醇溶蛋白的无孔膜。 任选地,该方法可以作为渗滤方法进行操作以产生高玉米醇溶蛋白纯度的浓缩物。

    Separation of organic mixtures using gas separation or pervaporation and dephlegmation
    4.
    发明授权
    Separation of organic mixtures using gas separation or pervaporation and dephlegmation 有权
    使用气体分离或渗透蒸发和分馏分离有机混合物

    公开(公告)号:US06899743B2

    公开(公告)日:2005-05-31

    申请号:US10459639

    申请日:2003-06-11

    IPC分类号: B01D53/22

    摘要: A process for treating mixtures of organic components, including azeotropic mixtures. The process includes a gas- or liquid-phase membrane separation step in conjunction with a dephlegmation step to treat at least a portion of the permeate vapor from the pervaporation step. The process yields a membrane residue stream, a stream enriched in the more volatile component as the overhead stream from the dephlegmator and a condensate stream enriched in the less volatile component as a bottoms stream from the dephlegmator. Any of these may be the principal product of the process.

    摘要翻译: 一种处理有机组分混合物的方法,包括共沸混合物。 该方法包括气相或液相膜分离步骤以及分馏步骤,以从渗透蒸发步骤处理至少一部分渗透物蒸气。 该方法产生膜残留物流,富含较高挥发性组分的物流作为来自分馏塔的塔顶馏出物和富集较不易挥发组分的冷凝物流,作为来自分馏塔的底部物流。 任何这些可能是该过程的主要产物。

    Separation process using pervaporation and dephlegmation
    5.
    发明授权
    Separation process using pervaporation and dephlegmation 有权
    使用渗透蒸发和分馏的分离方法

    公开(公告)号:US06755975B2

    公开(公告)日:2004-06-29

    申请号:US10170333

    申请日:2002-06-12

    IPC分类号: C02E144

    摘要: A process for treating liquids containing organic compounds and water. The process includes a pervaporation step in conjunction with a dephlegmation step to treat at least a portion of the permeate vapor from the pervaporation step. The process yields a membrane residue stream, a stream enriched in the more volatile component (usually the organic) as the overhead stream from the dephlegmator and a condensate stream enriched in the less volatile component (usually the water) as a bottoms stream from the dephlegmator. Any of these may be the principal product of the process. The membrane separation step may also be performed in the vapor phase, or by membrane distillation.

    摘要翻译: 一种处理含有机化合物和水的液体的方法。 该方法包括渗透蒸发步骤以及分馏步骤以从渗透蒸发步骤处理至少一部分渗透物蒸气。 该方法产生膜残留物流,富含较高挥发性成分(通常为有机物质)的物流作为来自分馏塔的塔顶物流和富集较不挥发性成分(通常为水)的冷凝物流,作为来自分馏塔的塔底物流 。 任何这些可能是该过程的主要产物。 膜分离步骤也可以在气相中进行,也可以通过膜蒸馏进行。