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    Method for separation of actinide elements
    1.
    发明申请
    Method for separation of actinide elements 失效
    分离锕系元素的方法

    公开(公告)号：US20050205494A1

    公开(公告)日：2005-09-22

    申请号：US11049651

    申请日：2005-02-04

    申请人： Tatsuya Suzuki ,  Yasuhiko Fujii ,  Masaki Ozawa

    发明人： Tatsuya Suzuki ,  Yasuhiko Fujii ,  Masaki Ozawa

    IPC分类号： G21C19/46 ,  B01D11/00 ,  B01D15/08 ,  B01D15/36 ,  B01J41/20 ,  C01G56/00 ,  C02F1/42 ,  G21F9/06

    CPC分类号： B01J41/20 ,  B01D15/363 ,  C01G56/002 ,  C01P2006/80

    摘要： A method for separation of actinide elements comprising feeding a solution containing actinide elements such as americium, curium, californium and the like, into a resin column in which a weakly basic primary, secondary or tertiary anion exchange resin obtained by resinifying pyridine, imidazole or alkylamine has been packed, and then feeding an eluent of a mixed solution of nitric acid and alkyl alcohol such as methanol, ethanol, propanol and the like into the resin column to chromatographically separate the actinide elements from each other. This method makes it possible to efficiently separate the actinide elements from each other by a unit operation at ordinary temperature and ordinary pressure while avoiding oxidation operation, and hence makes it possible to avoid generation of secondary wastes and operations difficult in terms of engineering, such as precipitation.

    摘要翻译： 用于分离锕系元素的方法包括将含有锕系元素如ium，ium，ium等的溶液进料到树脂柱中，其中通过树脂化吡啶，咪唑或烷基胺获得的弱碱性一级，二级或三级阴离子交换树脂 已经包装，然后将硝酸和烷基醇如甲醇，乙醇，丙醇等的混合溶液的洗脱液进料到树脂柱中以将锕系元素彼此色谱分离。 该方法能够通过在常温常压下的单位操作来有效地分离锕系元素，同时避免氧化操作，从而可以避免二次废物的产生和工程难度的产生，例如 沉淀。

    Method of obtaining americium
    2.
    发明授权
    Method of obtaining americium 失效
    获得美国的方法

    公开(公告)号：US3554867A

    公开(公告)日：1971-01-12

    申请号：US69272946

    申请日：1946-08-23

    申请人： ATOMIC ENERGY COMMISSION

    发明人： THOMPSON STANLEY G

    IPC分类号： C01G56/00 ,  C01G51/00 ,  G21G1/00

    CPC分类号： C01G56/002

    摘要： 1. IN A PROCESS FOR THE SYNTHESIS OF ELEMENT 95, THE STEPS WHICH COMPRISE DISSOLVING A NEUTRON-IRRADIATED MASS OF URANIUM CONTAINING A TRANSURANIC FRACTION COMPRISING PREDOMINANTLY PLUTONIUM WHICH CONTAINS AT LEAST ABOUT 0.01% OF THE ISOTOPE 94**241 AND A DETECTABLE QUANTITY OF ELEMENT 95 IN AN AQUEOUS ACIDIC SOLUTION, OXIDIZING THE PLUTONIUM CONTAINED IN THE RESULTING SOLUTION TO A VALENT STATE GREATER THAN +4, REMOVING URANIUM FISSION PRODUCTS AND ELEMENT 95 THEREFROM BY MEANS OF A WATER-INSOLUBLE RARE EARTH SALT CARRIER, DISSOLVING THE CARRIER PRECIPITATE THUS OBTAINED, INTRODUCING FLOUSILICATE IONS INTO THE RESULTING SOLUTION, CONTACTING SAID SOLUTION WITH A WATER-INSOLUBLE RARE EARTH SALT CARRIER FOR SAID FISSION PRODUCTS AND SEPARATING THE RESULTING PRECIPITATE, ADDING SUFFICIENT HYDROFLUORIC ACID TO RENDER THE SUPERNATANT SOLUTION THUS OBTAINED FROM ABOUT 3 TO 6 M WITH RESPECT THERETO, THEREAFTER CONTACTING THE SOLUTION WITH A WATER-INSOLUBLE RARE EARTH SALT CARRIER FOR ELEMENT 95, AND SEPARATING THE CARRIER PRECIPITATE FROM THE SOLUTION.