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    Electrodeionization apparatus
    151.
    发明授权
    Electrodeionization apparatus 失效
    电离电离装置

    公开(公告)号：US4632745A

    公开(公告)日：1986-12-30

    申请号：US762804

    申请日：1985-08-02

    Applicant: Anthony J. Giuffrida ,  Anil D. Jha ,  Gary C. Ganzi

    Inventor： Anthony J. Giuffrida ,  Anil D. Jha ,  Gary C. Ganzi

    IPC: B01D61/50 ,  B01D61/46 ,  B01D61/48 ,  B01J47/08 ,  C02F1/42 ,  C02F1/46 ,  C02F1/469 ,  B01D13/02

    CPC classification number: C02F1/4695 ,  B01D61/48 ,  B01J47/08 ,  C02F1/42 ,  C02F1/4604 ,  C02F2201/46115 ,  C02F2201/4612 ,  C02F2201/4613 ,  C02F2209/05

    Abstract: An electrodeionization apparatus and process are provided for removing ions from liquids. Liquid to be purified is passed through depleting compartments containing mixed anion and cation exchange resin beads while a second liquid is passed through concentrating compartments free of ion exchange resin beads. Ions, under influence of a D.C. potential, pass from the depleting compartments into the concentrating compartments through ion permeable membranes. The beads in the depleting compartments are housed within subcompartments of controlled width and thickness and are retained therein by the ion permeable membranes which are secured to the walls of the subcompartments.

    Abstract translation: 提供了用于从液体中去除离子的电去离子装置和方法。 待纯化的液体通过含有混合阴离子和阳离子交换树脂珠的耗尽室，而第二液体通过不含离子交换树脂珠的浓缩室。 在直流电位的影响下，离子通过离子渗透膜从耗尽室转移到浓缩室中。 消耗隔间中的珠子容纳在受控宽度和厚度的子隔室内，并通过固定到子隔室的壁的离子可渗透膜保持在其中。

    Combination ion exchange and electrodialysis fluid purification apparatus
    152.
    发明授权
    Combination ion exchange and electrodialysis fluid purification apparatus 失效
    组合离子交换和电渗析液净化装置

    公开(公告)号：US4148708A

    公开(公告)日：1979-04-10

    申请号：US817952

    申请日：1977-07-22

    Applicant: Philip J. Grant

    Inventor： Philip J. Grant

    IPC: C02F1/42 ,  B01D15/04 ,  B01D61/44 ,  B01D61/48 ,  B01D61/50 ,  B01J47/08 ,  C01B13/10 ,  C02F1/469 ,  G21C19/30 ,  B01D13/02

    CPC classification number: G21C19/30 ,  B01D61/48 ,  B01J47/08 ,  C01B13/10

    Abstract: An illustrative embodiment of the invention converts a feed solution stream into three separate streams of concentrated acid, concentrated alkali and deionized liquid, respectively, through a combination of ion exchange and electrodialysis techniques. Typically, feed fluid from the primary coolant loop of a nuclear reactor that contains ionized boric acid and lithium -7 hydroxide flows into a bed of mixed anion and cation exchange resins. Two of the walls of this bed, however, are of anion permeable and cation permeable membranes respectively, to permit the anions to migrate into an anolyte compartment and to permit the cations to migrate into a catholyte compartment. Within the anolyte compartment there is an anion resin bed which purifies the borate ions from other contaminative anions. Within the catholyte compartment there is a cation resin bed which purifies the lithium ions from other contaminative cations. Appropriately selected anion permeable and cation permeable membranes for the other sides of the catholyte and anolyte compartments, respectively, allow sufficient ion migration to permit a degree of chemcal recombination. The final products from these three flow paths are concentrated boric acid, concentrated lithium hydroxide and deionized water from the respective analyte, catholyte and feed fluid compartments.

    Abstract translation: 本发明的说明性实施方案通过离子交换和电渗析技术的组合将进料溶液流分别转化成三个分开的浓酸，浓碱和去离子液体流。 通常，来自含有电离硼酸和氢氧化锂的核反应堆的一次冷却剂回路的进料流体流入混合阴离子和阳离子交换树脂床。 然而，该床的两个壁分别具有阴离子可渗透和阳离子可渗透的膜，以允许阴离子迁移到阳极电解液室中并允许阳离子迁移到阴极电解液室中。 在阳极电解液室内有一个阴离子树脂床，从其他污染性阴离子中净化硼酸根离子。 在阴极电解液室内有一个阳离子树脂床，其净化来自其他污染阳离子的锂离子。 阴极电解液和阳极电解液室的另一侧分别选择适当选择的阴离子可渗透和阳离子可渗透膜，允许足够的离子迁移以允许一定程度的化学重组。 来自这三个流路的最终产物是浓缩的硼酸，浓氢氧化锂和去离子水，来自各自的分析物，阴极电解液和进料流体室。

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