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    • 57. 发明申请
    • METHOD FOR INDUSTRIAL COPPER ELECTROREFINING
    • 工业铜电极的方法
    • US20150197867A1
    • 2015-07-16
    • US14359521
    • 2012-10-17
    • NANO-TECH SP. Z O.O.
    • Michal GieronSlawomir Ruta
    • C25C1/12C25C7/00
    • C25C1/12C25C7/00C25C7/06
    • A method of copper electrorefining is disclosed. The method includes arranging at least one anode of copper material to be refined in contact with an electrolyte solution and arranging at least one cathode in contact with the electrolyte solution. The anode and cathode are connected electrically to an electrical source, and the source is operated under potential controlled conditions. The electrical potential at the cathode is −0.30 V to −0.55 V with respect to the copper material at the anode, thereby causing the deposition of electrorefined copper at the cathode. The method also includes potentiostatic pulse electrolysis (PPE) and periodic potential reversal (PPR) in order to produce a copper deposit having a controllable structure, for example in terms of roughness or porosity. An apparatus for performing potential controlled electrolysis is also disclosed.
    • 公开了一种铜电解精炼的方法。 该方法包括将要精炼的铜材料的至少一个阳极布置成与电解质溶液接触并且布置至少一个与电解质溶液接触的阴极。 阳极和阴极电连接到电源,并且源在潜在的受控条件下操作。 阴极处的电位相对于阳极处的铜材料为-0.30V至-0.55V,从而导致在阴极处沉积精炼铜。 该方法还包括恒电位脉冲电解(PPE)和周期性电位反转(PPR),以便产生具有可控结构的铜沉积物,例如在粗糙度或孔隙率方面。 还公开了一种用于进行电位控制电解的装置。
    • 58. 发明申请
    • ELECTROLYTIC CELL FOR PRODUCTION OF RARE EARTH METALS
    • 用于生产稀土金属的电解槽
    • US20150159286A1
    • 2015-06-11
    • US14401617
    • 2013-05-15
    • Lynas Services Pty Ltd
    • Jeffery KeniryAnthony Rudland Kjar
    • C25C7/00C25C3/34
    • C25C7/005C25C3/34C25C7/007
    • An electrolytic cell for production of rare earth metals is disclosed. The electrolytic cell includes a cell housing provided with one or more inclined channels disposed in a floor of the cell housing along which channel(s) molten rare earth metals produced in the electrolytic cell can drain. One or more cathodes are suspended within the cell housing in substantially vertical alignment with the one or more channels. Respective opposing surfaces of the one or more cathodes are downwardly and outwardly inclined at an angle from the vertical. One or more pairs of anodes are suspended within the cell housing; each anode in the one or more pairs has a facing surface inclined from the vertical and spaced apart in parallel alignment with respective opposing inclined surfaces of the one or more cathodes to define a substantially constant anode-cathode distance therebetween. The electrolytic cell also includes a sump for receiving molten rare earth metals from the channel, wherein the sump is spaced apart and isolated from the one or more cathodes and the one or more anodes. Separation of the molten rare earth metals from the cathode(s) and the anode(s) prevents reaction and/or contamination with fugitive carbon arising from the anode(s) or back reaction with off gases.
    • 公开了一种用于生产稀土金属的电解槽。 所述电解槽包括设置有一个或多个倾斜通道的电池壳体,所述倾斜通道设置在所述电池壳体的底板中,所述电解槽中产生的熔融稀土金属沿着所述倾斜通道排出。 一个或多个阴极以与该一个或多个通道基本垂直对准的方式悬挂在电池壳体内。 一个或多个阴极的相对的相对表面与垂直方向成一定角度向下并向外倾斜。 一对或多对阳极悬挂在电池壳体内; 一对或多对中的每个阳极具有从垂直方向倾斜并且与所述一个或多个阴极的相应相对的倾斜表面平行对齐并间隔开的面对表面,以在它们之间限定基本恒定的阳极 - 阴极距离。 电解池还包括用于从通道接收熔融稀土金属的贮槽,其中所述贮槽与所述一个或多个阴极和所述一个或多个阳极隔开并隔离。 从阴极和阳极分离熔融的稀土金属防止由阳极产生的逸散碳或与废气反向反应的反应和/或污染。
    • 59. 发明授权
    • Method and apparatus for extracting noble metals from inorganic granular waste catalysts
    • 从无机粒状废催化剂中提取贵金属的方法和装置
    • US09005408B2
    • 2015-04-14
    • US12937989
    • 2010-05-20
    • In-Soo JinVladimir Tychinin
    • In-Soo JinVladimir Tychinin
    • C25C7/00C25C1/20
    • C25C1/20C25C7/002
    • The leaching and precipitation of noble metals when circulating an electrolyte through a vertical cylindrical electrolytic cell comprising a fixed granular catalyst bed and a three-dimensional cathode filled with activated carbon granules are performed in the same step. Because the electrochemical leaching process and the electrochemical sorption process are performed simultaneously, the consumption of electric energy is reduced and the use of equipment becomes easy. An apparatus for extracting noble metals from inorganic granular waste catalysts comprises a vertical type electrolytic cell, conduit lines, an electrolyte circulating pump, a unit for automatically maintaining the required acidity of the electrolyte being circulated, a filter for filtering activated carbon particles from the electrolyte, control valves, and stop valves. The electrolytic cell comprises a heat exchanger for heating the electrolyte being circulated, an insoluble anode and a three-dimensional cathode filled with activated carbon granules.
    • 在通过包括固定颗粒催化剂床和填充有活性炭颗粒的三维阴极的垂直圆柱形电解槽中循环电解质时贵金属的浸出和析出在相同步骤中进行。 由于电化学浸出过程和电化学吸附过程同时进行,电能的消耗减少,设备的使用变得容易。 一种用于从无机粒状废催化剂中提取贵金属的设备包括垂直型电解池,导管,电解循环泵,用于自动保持正在循环的电解液所需酸度的单元,用于从电解质中过滤活性炭颗粒的过滤器 ,控制阀和截止阀。 电解槽包括用于加热正在循环的电解质的热交换器,不溶性阳极和填充有活性炭颗粒的三维阴极。