Concentration of solids in a suspension
    1.
    发明授权
    Concentration of solids in a suspension 失效
    悬浮液中固体的浓度

    公开(公告)号:US5024762A

    公开(公告)日:1991-06-18

    申请号:US461297

    申请日:1990-01-05

    IPC分类号: B01D63/02

    摘要: A method of concentrating solids in a liquid suspension using a filter having a plurality of hollow, microporous, elastic fibres with a shell or housing, comprising applying the suspension to an outer surface of the fibres whereby a portion of the suspension passes through the fibre walls and at least a portion of the solids is retained on or in the fibres; and discharging the retained solids by stretching the fibre pores and washing out solids retained in the pores by application of gas under pressure.

    摘要翻译: 使用具有多个具有外壳或壳体的中空微孔弹性纤维的过滤器将固体浓缩在液体悬浮液中的方法,包括将悬浮液施加到纤维的外表面,由此一部分悬浮液通过纤维壁 并且至少一部分固体保留在纤维上或纤维中; 并通过拉伸纤维孔并通过在压力下施加气体清除保留在孔中的固体而排出保留的固体。

    Cooling hollow fibre cross-flow separators
    2.
    发明授权
    Cooling hollow fibre cross-flow separators 失效
    冷却中空纤维交叉流分离器

    公开(公告)号:US4816160A

    公开(公告)日:1989-03-28

    申请号:US945870

    申请日:1986-11-17

    摘要: A method of treating a heated liquid suspension, which entails:(a) applying a liquid suspension to elastic, microporous, hollow fibres within a shell or housing, and(b) discharging solids retained on or in the fibres by applying to the fibre lumens a pressurized reverse flow of gas, and wherein the hollow fibres are cooled prior to applying the reverse flow of gas.

    摘要翻译: PCT No.PCT / AU86 / 00080 Sec。 371日期:1986年11月17日 102(e)1986年11月17日PCT PCT日期:1986年3月27日PCT公布。 公开号WO86 / 05705 日本1986年10月9日。一种处理加热的液体悬浮液的方法,其包括:(a)将液体悬浮液施加到壳或壳体内的弹性,微孔,中空纤维上,和(b)将保留在或 通过向纤维流体施加加压的逆流气体,并且其中中空纤维在施加反向气流之前被冷却。

    Variable volume filter or concentrator
    4.
    发明授权
    Variable volume filter or concentrator 失效
    可变体积过滤器或浓缩器

    公开(公告)号:US4793932A

    公开(公告)日:1988-12-27

    申请号:US10089

    申请日:1986-12-05

    摘要: A concentrator for concentrating the fine solids of a liquid feed suspension has a shell within which there is a bundle of microporous fibers. Pressurized feed suspension is introduced through an inlet and passes over the external walls of the fibers with the clarified liquid being drawn from the lumens of the fibers and the concentrated feed being discharged through an outlet. The solids retained within the shell are removed by first applying a pressurized liquid and then applying a gas at a pressure sufficient to ensure that the gas will pass through the larger pores of the fibrs to remove the solids from the shell through the outlet to an external collection point. The fibers are enclosed within a variable volume diaphragm located within a diaphragm holder by spaced plugs. The volume of the diaphragm is altered by varying the pressure of a fluid introduced through the inlet to the space between the diaphragm and the diaphragm holder.

    摘要翻译: PCT No.PCT / AU86 / 00085 Sec。 371日期1986年12月5日第 102(e)日期1986年12月5日PCT申请日1986年4月4日PCT公布。 出版物WO86 / 05997 日期为1986年10月23日。用于浓缩液体进料悬浮液的细固体的浓缩器具有壳,其中存在一束微孔纤维。 加压进料悬浮液通过入口引入并通过纤维的外壁,澄清的液体从纤维的内腔抽出,浓缩的进料通过出口排出。 保留在壳体内的固体通过首先施加加压液体而除去,然后施加足够的压力的气体,以确保气体将通过原纤维的较大孔,以通过出口将外部固体从壳体移除到外部 收集点。 纤维通过间隔开的塞子封闭在位于隔膜支架内的可变体积隔膜中。 通过将通过入口引入的流体的压力改变到隔膜和隔膜支架之间的空间来改变隔膜的体积。

    Separating oil emulsions
    8.
    发明授权
    Separating oil emulsions 失效
    分离油乳剂

    公开(公告)号:US4655927A

    公开(公告)日:1987-04-07

    申请号:US758709

    申请日:1985-07-08

    申请人: Douglas L. Ford

    发明人: Douglas L. Ford

    摘要: Water is separated from an oil emulsion containing a surface active agent by passing the emulsion through a polymeric porous membrane cross-flow ultra-filter. Either the oil emulsion feedstock or the membrane is treated with a hydrophilic colloid so that the effective pore size of the composite membrane so formed by the colloid will be reduced as the surface tension falls in the presence of the surface active agent in the oil emulsion. The hydrophilic colloid is selected according to the chemical ionic classification of the surface active agent.

    摘要翻译: PCT No.PCT / AU84 / 00226 Sec。 371日期:1985年7月8日 102(e)日期1985年7月8日PCT提交1984年11月6日PCT公布。 出版物WO85 / 02128 日期1985年5月23日。通过使乳液通过聚合物多孔膜交叉流超滤器,将水与含有表面活性剂的油乳液分离。 油乳剂原料或膜用亲水胶体处理,使得由于在乳液中存在表面活性剂时表面张力下降,由胶体形成的复合膜的有效孔径将会降低。 亲水胶体根据表面活性剂的化学离子分类选择。

    Process of making a porous hollow fiber membrane
    10.
    发明授权
    Process of making a porous hollow fiber membrane 失效
    制造多孔中空纤维膜的工艺

    公开(公告)号:US5277851A

    公开(公告)日:1994-01-11

    申请号:US941376

    申请日:1992-09-04

    摘要: A method of making a porous polymeric material by heating a mixture of a thermoplastic polymer and a cationic or non-ionic surfactant having a hydrophilic-lipophilic balance range of 4.0 to 6.0 to a temperature and for a time sufficient for the polymer and surfactant to mutually dissolve. The mixture is then cooled to a temperature so that non-equilibrium liquid-liquid phase separation takes place to form a bi-continuous matrix of the polymer and surfactant so that the polymer and surfactant form two intermingled separate phases of large interfacial surface area. The surfactant is then removed from the polymer. The porous polymeric material produced by the above method has a lacey or filamentous structure consisting of a plurality of polymer strands connected together at spaced apart locations along each strand.

    摘要翻译: 通过将热塑性聚合物和亲水 - 亲油平衡范围为4.0至6.0的阳离子或非离子表面活性剂的混合物加热至相对于聚合物和表面活性剂足够的温度和时间来制备多孔聚合物材料的方法 溶解。 然后将混合物冷却至温度,使得发生非平衡液相分离以形成聚合物和表面活性剂的双连续基质,使得聚合物和表面活性剂形成具有大界面表面积的两个混合的分离相。 然后从聚合物中除去表面活性剂。 通过上述方法生产的多孔聚合物材料具有花边或丝状结构,其由沿着每条链条间隔开的位置连接在一起的多个聚合物股组成。