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    METHOD AND SYSTEM FOR LIQUID TREATMENT
    5.
    发明申请
    METHOD AND SYSTEM FOR LIQUID TREATMENT 审中-公开
    液体处理方法和系统

    公开(公告)号：WO2018047156A1

    公开(公告)日：2018-03-15

    申请号：PCT/IL2017/050879

    申请日：2017-08-09

    申请人： ISRAEL AEROSPACE INDUSTRIES LTD.

    发明人： HOZ, Benaya

    IPC分类号： B01D61/12 ,  B01D65/08 ,  C02F1/44

    CPC分类号： B01D61/12 ,  B01D65/08 ,  B01D2311/25 ,  C02F1/008 ,  C02F1/441 ,  C02F2103/08 ,  C02F2209/005 ,  C02F2209/006 ,  C02F2209/008 ,  C02F2209/03 ,  C02F2209/05 ,  C02F2209/40

    摘要： A method of treatment of liquid in a liquid treatment system comprising: at least one liquid treatment module including at least one membrane and having a feed liquid inlet at a feed side of said at least one membrane, a permeate outlet at a permeate side of said at least one membrane, and a concentrate outlet at a brine side of said at least one membrane; a high pressure pump operative for pressurizing feed liquid to be received at said feed liquid inlet; and a system controller for controlling operation of the system including providing instructions to operate said high pressure pump in one of at least two operation modes including: a first mode in which the high pressure pump maintains a fixed flow rate of the feed liquid at said feed liquid inlet or of a permeate liquid at said permeate outlet, while energy consumption of said high pressure pump being a function of variations of a first operational parameter measured in the system and indicative of salinity of liquid within said at least one liquid treatment module, and a second mode in which the high pressure pump maintains a flow rate of the feed liquid at said feed liquid inlet or of a permeate liquid at said permeate outlet, while energy consumption of said high pressure pump being a function of a second operational parameter determined so as to reduce energy consumption of the high pressure pump; said method being performed under control of said system controller and comprising steps of: pressurizing feed liquid by said high pressure pump in said first mode; circulating a concentrate from said concentrate outlet to said feed liquid inlet; providing to said system controller a third operational parameter measured in the system and indicative of salinity of liquid within said liquid treatment module; and upon detecting that a predetermined first threshold of said third operational parameter is reached, operating said high pressure pump in said second mode.

    摘要翻译： 一种处理液体处理系统中的液体的方法，包括：至少一个液体处理模块，其包括至少一个膜并且在所述至少一个膜的进料侧具有进料液体入口; 所述至少一个膜的渗透侧的渗透物出口和所述至少一个膜的盐水侧的浓缩物出口; 高压泵，其操作用于加压将在所述供给液体入口处接收的供给液体; 以及用于控制所述系统的操作的系统控制器，所述系统包括提供指令以在至少两种操作模式中的一种操作所述高压泵，所述至少两种操作模式中的一种包括：第一模式，在所述第一模式中，所述高压泵保持所述进料处的进料液体 所述高压泵的能量消耗是在所述系统中测量的并且指示所述至少一个液体处理模块内的液体的盐度的第一操作参数的变化的函数，以及 第二模式，其中高压泵保持在所述供给液体入口处的供给液体或在所述渗透物出口处的渗透液体的流率，而所述高压泵的能量消耗是如此确定的第二操作参数的函数 以降低高压泵的能耗; 所述方法在所述系统控制器的控制下执行并且包括以下步骤：在所述第一模式下通过所述高压泵对供给液体进行加压; 将浓缩物从所述浓缩物出口循环到所述进料液体入口; 向所述系统控制器提供在所述系统中测量并指示所述液体处理模块内的液体盐度的第三操作参数; 并且在检测到达到所述第三操作参数的预定第一阈值时，在所述第二模式下操作所述高压泵。

    BATCH PRESSURE-DRIVEN MEMBRANE SEPARATION WITH CLOSED-FLOW LOOP AND RESERVOIR
    6.
    发明申请
    BATCH PRESSURE-DRIVEN MEMBRANE SEPARATION WITH CLOSED-FLOW LOOP AND RESERVOIR 审中-公开
    间歇式流动循环和水库的分批压力驱动膜分离

    公开(公告)号：WO2017146974A1

    公开(公告)日：2017-08-31

    申请号：PCT/US2017/018069

    申请日：2017-02-16

    申请人： MASSACHUSETTS INSTITUTE OF TECHNOLOGY

    发明人： WARSINGER, David ,  LIENHARD, John ,  TOW, Emily ,  MCGOVERN, Ronan ,  THIEL, Gregory

    IPC分类号： B01D61/08 ,  B01D61/00 ,  B01D61/02 ,  B01D61/06 ,  B01D61/58

    CPC分类号： B01D61/08 ,  B01D61/02 ,  B01D61/025 ,  B01D61/027 ,  B01D61/10 ,  B01D2311/14 ,  B01D2311/25 ,  B01D2313/24 ,  B01D2313/50 ,  B01D2315/10 ,  B01D2315/14 ,  C02F1/441 ,  C02F1/442 ,  C02F2103/08 ,  C02F2209/03

    摘要： A feed of at least one of (a) a source liquid including a solvent with a dissolved impurity and (b) a retentate of the source liquid is pumped in a substantially closed loop through a liquid-separation module. The liquid-separation module includes a membrane that passes at least partially purified solvent to a permeate side of the membrane while diverting the impurity in a retentate on the retentate side of the membrane. The purified solvent is extracted from the permeate side of the membrane; and the retentate from the liquid-separation module is pumped to or through a pressurized reservoir with a variable volume for the feed component and recirculated as a component of the feed. Over time, the volume for the feed is reduced and the pressure applied to the feed in the reservoir is increased to balance against an increasing difference in osmotic pressure across the membrane.

    摘要翻译： （a）包含具有溶解杂质的溶剂的源液体和（b）源液体的保留物中的至少一种的进料通过液体分离以实质上封闭的回路被泵送 模块。 液体分离组件包括膜，该膜将至少部分纯化的溶剂传递到膜的渗透侧，同时将杂质转移到膜的滞留侧上的渗余物中。 纯化的溶剂从膜的渗透侧提取; 并将来自液体分离组件的滞留物泵送到或通过具有可变容积的加压容器用于进料组分并作为进料组分再循环。 随着时间的推移，饲料的体积减少，并且施加到储存器中的饲料的压力增加以平衡穿过膜的渗透压差的增加。

    METHOD OF SOLVENT RECOVERY FROM A DILUTE SOLUTION
    9.
    发明申请
    METHOD OF SOLVENT RECOVERY FROM A DILUTE SOLUTION 审中-公开
    从稀溶液中回收溶剂的方法

    公开(公告)号：WO2017078644A2

    公开(公告)日：2017-05-11

    申请号：PCT/TR2016/050421

    申请日：2016-11-03

    申请人： ABUSHARKH, Basel

    发明人： ABUSHARKH, Basel

    IPC分类号： B01D61/00 ,  B01D61/02 ,  B01D61/04 ,  B01D61/10 ,  B01D61/12

    CPC分类号： B01D61/58 ,  A23C9/142 ,  A23L2/085 ,  B01D61/002 ,  B01D61/022 ,  B01D61/027 ,  B01D61/04 ,  B01D61/12 ,  B01D61/44 ,  B01D65/08 ,  B01D2311/08 ,  B01D2311/246 ,  B01D2311/25 ,  B01D2311/2673 ,  B01D2317/022 ,  B01D2317/025

    摘要： The method of solvent recovery includes using a plurality of solvent recovery units to recover solvent from a dilute solution. The solvent recovery units can include a plurality of reverse osmosis or forward osmosis membrane systems arranged in series. For reverse osmosis, at least some of the concentrate in a last reverse osmosis unit of the series is recycled back to the permeate of that unit to provide a mixed permeate. The mixed permeate is then passed successively to the permeate side of each preceding reverse osmosis unit in the series. For forward osmosis, a draw solution is passed sequentially from the permeate side of each unit to the permeate side of the preceding unit. The draw solution may be prepared by concentrating part of the concentrate stream by evaporation and recycling it back as a draw solution.

    摘要翻译： 溶剂回收的方法包括使用多个溶剂回收单元从稀溶液中回收溶剂。 溶剂回收单元可以包括串联排列的多个反渗透或正向渗透膜系统。 对于反渗透来说，系列中最后一个反渗透装置中的至少部分浓缩物被循环回到该装置的渗透物中以提供混合渗透物。 然后混合的渗透物连续地通过该系列中每个在前的反渗透装置的渗透侧。 对于正向渗透，汲取溶液从每个单元的渗透侧依次通过到前一单元的渗透侧。 汲取溶液可以通过蒸发浓缩部分浓缩物流并作为汲取溶液回收来制备。