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    Process for introducing zirconium tetrachloride, hafnium tetrachloride and mixtures thereof into a column for the continuous extractive distillation under pressure of said chlorides
    1.
    发明授权
    Process for introducing zirconium tetrachloride, hafnium tetrachloride and mixtures thereof into a column for the continuous extractive distillation under pressure of said chlorides 失效
    将四氯化锆，四氯化铪及其混合物引入用于在所述氯化物的压力下进行连续萃取蒸馏的塔中的方法

    公开(公告)号：US4917773A

    公开(公告)日：1990-04-17

    申请号：US319054

    申请日：1989-03-06

    Applicant: Pierre Brun ,  Jean Guerin

    Inventor： Pierre Brun ,  Jean Guerin

    IPC: C01G25/00 ,  C01G25/04 ,  C01G27/04

    CPC classification number: C01G25/04 ,  C01G27/04 ,  Y10S203/17

    Abstract: The process and the device according to the invention relate to the introduction, at a stable, known flow rate, of sublimable tetrachloride into a column for continuous extractive distillation under pressure of the chlorides. The sublimable tetrachloride is dissolved in a hot dissolver in a liquid solvent such as KAlCl.sub.4, and is then recirculated by pump at a stable, known flow rate into an evaporator connected to the column. The solution is then heated in an evaporator in order to sublime the majority of the product which it contains, the sublimed vapors thus passing into the column at a stable, known flow rate. The process according to the invention is adapted, in particular, to a plant for the production of ArCl.sub.4 of nulear purity and of HfCl.sub.4.

    Abstract translation: 根据本发明的方法和装置涉及以稳定的已知流速将可升华的四氯化钛引入用于在氯化物的压力下进行连续萃取蒸馏的塔中。 将升华的四氯化碳溶解在诸如KAlCl 4的液体溶剂中的热溶解器中，然后通过泵以稳定的已知流速再循环到连接到塔的蒸发器中。 然后将溶液在蒸发器中加热以使其含有的大部分产物升华，升华的蒸气因此以稳定的已知流速进入塔中。 根据本发明的方法特别适用于生产纯净的ArCl4和HfCl4的工厂。

    Ultra high purity halides and their preparation
    2.
    发明授权
    Ultra high purity halides and their preparation 失效
    超高纯度卤化物及其制备方法

    公开(公告)号：US4910009A

    公开(公告)日：1990-03-20

    申请号：US190992

    申请日：1988-05-06

    Applicant: James A. Sommers

    Inventor： James A. Sommers

    IPC: C01B9/00 ,  C01B9/02 ,  C01F7/48 ,  C01F7/50 ,  C01F7/62 ,  C01G25/04 ,  C01G27/04 ,  C03C3/32

    CPC classification number: C01B9/02 ,  C01B9/00 ,  C01F7/48 ,  C01F7/62 ,  C01G25/04 ,  C01G27/04 ,  C01P2006/80

    Abstract: The process for purifying a contaminated chloro, bromo or iodo precursor salt of zirconium, hafnium or aluminum by means of providing a molten thermal body of one or more alkali or alkaline earth metal halides and the precursor salt containing impurities, maintaining the body at a temperature sufficient to volatilize the precursor salt away from its impurities while effecting a reducing condition in the body by means of a fluid, mobile reducing agent which is non-reducing of said precursor salt, and isolating the purified volatilized precursor salt from the body. The ultra purified isolated volatilized precursor salt can then be reacted with a fluorinating agent to produce the highly purified fluoride for use in optical fiber grade glass or the like.

    Abstract translation: 通过提供一种或多种碱金属或碱土金属卤化物的熔融热体和含有杂质的前体盐来净化锆，铪或铝的受污染氯，溴或碘前体盐的方法，将身体保持在温度 足以使前体盐远离其杂质挥发，同时通过不减少所述前体盐的流体，可移动还原剂并且将纯化的挥发的前体盐与人体分离，从而在体内还原状态。 然后可以将超纯化的分离的挥发前体盐与氟化剂反应，生成用于光纤级玻璃等的高纯度氟化物。

    Process and devices for operation of an apparatus which functions by using a flow of a liquid film
    3.
    发明授权
    Process and devices for operation of an apparatus which functions by using a flow of a liquid film 失效
    用于通过使用液膜流动而起作用的装置的操作的方法和装置

    公开(公告)号：US4874559A

    公开(公告)日：1989-10-17

    申请号：US298896

    申请日：1989-01-19

    Applicant: Pierre Brun

    Inventor： Pierre Brun

    IPC: B01D1/06 ,  C01G25/04 ,  C01G27/04

    CPC classification number: B01D1/065 ,  C01G25/04 ,  C01G27/04

    Abstract: The invention concerns a process and an apparatus for maintaining a very thin film in an exchanger involving a flowing liquid film. The process wherein the liquid films are fed by gravity from a liquid source is characterised in that: each film is fed at the permanent flow (kd.sub.1) corresponding to the feed flow rate (d.sub.1) of the source; then for a short period of time the flow rate is increased to a transient value (kd.sub.2) for establishing a continuous film over the whole of the corresponding flow surface; then operation returns to the flow rate (kd.sub.1) for the film in question, the short periods of feeding the different films at their transient flow rates (kd.sub.2) being displaced in respect of time. The apparatus according to the invention comprises at the top of each flow tube a movable sleeve, lifting movement or rotary movement of which opens a supplementary communication between the liquid source and the tube, permitting the film flow rate to assume the transient value (kd.sub.2). The process is applied in particular to the process for separation of tetrachlorides of Zr and Hf.

    Abstract translation: 本发明涉及一种用于在涉及流动液体膜的交换器中保持非常薄的薄膜的方法和装置。 其中液体膜通过重力从液体源进料的过程的特征在于：每个膜以对应于源的进料流速（d1）的永久流（kd1）进料; 然后在短时间内将流量增加到用于在整个相应流动表面上建立连续膜的瞬时值（kd2）; 那么操作返回到所讨论的膜的流速（kd1），在瞬时流速（kd2）相对于时间被移位的不同膜的短时间段。 根据本发明的装置包括在每个流管的顶部，可移动套管，提升运动或其旋转运动打开液体源和管之间的补充连通，允许膜流速呈现瞬态值（kd2） 。 该方法特别适用于分离Zr和Hf四氯化物的方法。

    Method for preparing ultra-pure zirconium and hafnium tetrafluorides
    5.
    发明授权
    Method for preparing ultra-pure zirconium and hafnium tetrafluorides 失效
    制备超纯锆和四氟化铪的方法

    公开(公告)号：US4578252A

    公开(公告)日：1986-03-25

    申请号：US734008

    申请日：1985-05-14

    Applicant: Ricardo C. Pastor ,  Morton Robinson

    Inventor： Ricardo C. Pastor ,  Morton Robinson

    IPC: C01B9/08 ,  C01G1/06 ,  C01G25/04 ,  C01G27/04

    CPC classification number: C01G27/04 ,  C01B9/08 ,  C01G1/06 ,  C01G25/04

    Abstract: A method for preparing ultra-pure metal tetrafluorides in which 3d such as Fe impurities are separated from impure material by a combined vaporization-electrolytic separation procedure. Sublimation and distillation methods are disclosed in combination with electrolytic separation by both emf-series displacement (ESD) and direct melt electrolysis (DME).

    Abstract translation: 制备超纯四氟化金属的方法，其中通过组合的蒸发 - 电解分离方法将诸如Fe杂质的3d与不纯物质分离。 公开了升华和蒸馏方法结合电动分离（emf-series displacement）（ESD）和直接熔融电解（DME）两种方法。

    Separation of zirconium and hafnium
    6.
    发明授权
    Separation of zirconium and hafnium 失效
    分离锆和铪

    公开(公告)号：US3966458A

    公开(公告)日：1976-06-29

    申请号：US503724

    申请日：1974-09-06

    Applicant: Donald R. Spink

    Inventor： Donald R. Spink

    IPC: C01G27/04 ,  C22B34/14 ,  C22B61/02

    CPC classification number: C22B34/14 ,  C01G27/04

    Abstract: A process is provided for separating zirconium and hafnium tetrachlorides by the direct distillation from their solution in an eutectic mixture of sodium and potassium chlorides. Hafnium tetrachloride and zirconium tetrachloride are provided in adequate purity for direct introduction into reduction units for the production of the respective metals by virtue of controlled ratios of the salt eutectic solvent to the hafnium and zirconium tetrachlorides and by provision of a reflux of hafnium with added increments of the eutectic solvent salt mixture.

    Abstract translation: 提供了一种通过直接蒸馏从氯化钠和氯化钾的共晶混合物中的溶液分离锆和四氯化铪的方法。 提供四氯化铪和四氯化锆足够的纯度，以便通过盐共晶溶剂与铪和四氯化锆的控制比例和通过提供铪的回流添加增量来直接引入用于生产各种金属的还原单元 的共晶溶剂盐混合物。

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