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    Electrode regeneration
    17.
    发明授权
    Electrode regeneration 失效
    电极再生

    公开(公告)号：US5766442A

    公开(公告)日：1998-06-16

    申请号：US829614

    申请日：1997-03-31

    Applicant: Nevill John Bridger ,  Andrew Derek Turner

    Inventor： Nevill John Bridger ,  Andrew Derek Turner

    IPC: C02F1/42 ,  B01J47/06 ,  B01J47/08 ,  B01J49/00 ,  C25B11/00 ,  C25B11/03 ,  C25B11/04 ,  C25B15/08 ,  G01N27/30 ,  G01N27/38 ,  H02G1/08

    CPC classification number: B01J47/08 ,  B01J49/0052

    Abstract: An electrode for use in electrochemical ion exchange which includes a hydrolysable metal phosphate such as zirconium phosphate (Zr(HPO.sub.4).sub.2) which has been hydrolysed at least in part is regenerated. The electrode is made the anode of an electrochemical cell in which the electrolyte is an aqueous solution containing one or more phosphate ions provided, for example, by a dissolved salt (eg Na.sub.3 PO.sub.4, Na.sub.2 HPO.sub.4 or NaH.sub.2 PO.sub.4) or orthophosphoric acid, or both. Preferably, the electrolyte is acidic (eg pH 2). Operation of the cell reverses the hydrolysis reaction and enhances the performance of the electrode.

    Abstract translation: 用于电化学离子交换的电极，其包括至少部分被水解的可水解金属磷酸盐如磷酸锆（Zr（HPO 4）2）。 电极被制成电化学电池的阳极，其中电解质是含有例如由溶解的盐（例如Na 3 PO 4，Na 2 HPO 4或NaH 2 PO 4）或正磷酸或两者提供的一种或多种磷酸根离子的水溶液。 优选地，电解质是酸性的（例如pH 2）。 电池的操作反转水解反应并提高电极的性能。

    Instrumentation and control scheme for implementing a boron isotopic enrichment process
    18.
    发明授权
    Instrumentation and control scheme for implementing a boron isotopic enrichment process 失效
    实施硼同位素浓缩过程的仪器和控制方案

    公开(公告)号：US5265135A

    公开(公告)日：1993-11-23

    申请号：US960493

    申请日：1992-10-13

    Applicant: Albert J. Impink, Jr. ,  Joseph A. Battaglia

    Inventor： Albert J. Impink, Jr. ,  Joseph A. Battaglia

    IPC: B01D59/30 ,  B01J47/06 ,  B01J47/14 ,  C02F1/42 ,  G21C7/00

    CPC classification number: B01D59/30

    Abstract: An apparatus for providing an inventory of an isotopically enriched acidic solution of an element that is capable of forming a water soluble weakly acidic solution at temperatures amenable to ion exchange and having a lower molecular weight isotope fraction and a higher molecular weight isotope fraction is disclosed. This apparatus includes at least two ion exchangers, each being temperature dependent with respect to their storage capacity of said lower and higher molecular weight isotopes, a hot tank containing a hot tank solution and a cold tank containing a cold tank solution both flow coupled to the ion exchangers. A first series of valves is selectively operable to direct the hot tank solution to one of the ion exchanger and to direct the cold tank solution to the other ion exchangers. A second series of valves is selectively operable to direct the flow from the ion exchangers to either the hot tank or the cold tank. An analyzer for sampling the solution is located upstream from the hot tank. The analyzer analyzes the sample to determine a content of the lower and higher molecular weight isotopes. A digital computer is connected to the analyzer for computing. a switchover signal based on a value of the actual lower molecular weight isotope enrichment flowing into the hot tank and a predicted value of the amount of the lower molecular weight isotope enrichment in the hot tank.

    Method for obtaining uniform stream in adsorption column
    19.
    发明授权
    Method for obtaining uniform stream in adsorption column 失效
    在吸附塔中获得均匀流的方法

    公开(公告)号：US4450082A

    公开(公告)日：1984-05-22

    申请号：US383693

    申请日：1982-06-01

    Applicant: Masatoshi Tanouchi ,  Yoshiyuki Asahina

    Inventor： Masatoshi Tanouchi ,  Yoshiyuki Asahina

    IPC: B01D15/00 ,  B01D53/02 ,  B01J47/06 ,  C07C7/13 ,  G01N30/60

    CPC classification number: B01J47/06 ,  B01D15/00 ,  B01D53/02 ,  C07C7/13 ,  B01D15/18 ,  G01N30/6017 ,  G01N30/6086

    Abstract: A method for obtaining uniform stream in an adsorption column is disclosed. This method uses an adsorption column having at least one single-flow passage in which the ratio of the inner diameter of the column to the average particle size of a packing to be packed in the adsorption column is at least 20, and comprises classifying the packing to be packed in the adsorption column and packing the fractions of the packing into the adsorption column in the order of particle size. Thus, a desired substance or substances contained in a mixture can be adsorbed and then separated as a uniform stream in an adsorption column.

    Abstract translation: 公开了一种在吸附塔中获得均匀流的方法。 该方法使用具有至少一个单流通道的吸附塔，其中柱内径与填充在吸附塔中的填料的平均粒径之比至少为20，并且包括对填料进行分级 将其包装在吸附塔中，并按照粒径的顺序将填料的馏分包装到吸附塔中。 因此，可以吸附混合物中所含的所需物质或物质，然后在吸附塔中以均匀的流分离。

    Process for increasing the exchange yield in ion exchange processes
    20.
    发明授权
    Process for increasing the exchange yield in ion exchange processes 失效
    提高离子交换过程中交换产量的方法

    公开(公告)号：US4198295A

    公开(公告)日：1980-04-15

    申请号：US909943

    申请日：1978-05-26

    Applicant: Sandor Vajna

    Inventor： Sandor Vajna

    IPC: B01J47/00 ,  B01J47/06 ,  B01D15/04

    CPC classification number: B01J47/06 ,  B01J47/00

    Abstract: A process for increasing the exchange yield in ion exchange processes is disclosed wherein at least one reaction fraction stored with the previous carrying out of the same exchange reaction, a solution of the exchanging ions supplied from outside and water are delivered to a washed ion exchanger bed which is filled with water and which is charged with the ions which are to be exchanged; and after the discharge from the bed of the water and of a solution obtained as product, the same number of reaction fractions with the same volume is collected and stored as the number as that previously supplied, in order to be delivered as previously with the next carrying out of the same exchange reaction in the identical manner and in the same sequence, and wherein displacement occurring in the direction of flow and relatively to one another of those liquid particles which are delivered simultaneously or in immediate succession to the bed is substantially prevented until the discharge from the container of the bed is reached, and the co-ion content of the reaction fraction or fractions is kept constant by keeping constant the volume of the reaction fraction or fractions, of the solution supplied from outside and of the liquids discharged from the system and of the co-ion content of the solution supplied from outside.

    Abstract translation: 公开了一种用于提高离子交换过程中的交换产率的方法，其中至少一个与先前进行相同交换反应的反应级分，从外部供应的交换离子的溶液和水的反应级分输送到洗涤的离子交换床 其中填充有水，并且被带有待交换的离子; 在从床的水和作为产物得到的溶液排出之后，收集和存储相同数量的具有相同体积的反应级分，并按照之前提供的数量存储，以便如前所述用下一个 以相同的方式和相同的顺序进行相同的交换反应，并且其中基本上防止在同时或立即连续送入床的那些液体颗粒的流动方向和彼此相对彼此发生的位移直到 达到从床的容器排出，并保持反应级分或馏分的共离子含量保持恒定，保持从外部供应的溶液的反应级分或馏分的体积和从 该系统和从外部提供的溶液的共离子含量。

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