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    • 3. 发明申请
    • ACTINIDE-CONTAINING MOLECULAR SIEVES
    • 含ACTINIDE的分子筛
    • WO98050307A1
    • 1998-11-12
    • PCT/GB1998/001275
    • 1998-04-30
    • B01J20/02B01J23/12B01J29/00B01J29/03B01J29/04B01J29/82B01J39/08B01J39/12C01B37/00C01B39/00
    • C01B37/00B01J20/06B01J23/12B01J29/005B01J29/0308B01J29/049B01J29/82B01J39/09B01J39/12
    • Molecular sieves (often loosely termed microporous materials) contain an actinide in combination with atoms selected from the group consisting of oxygen, fluorine, phosphorus, transition metals and mixtures thereof. The molecular sieve material may contain a template species, which suitably comprises an organic template molecule and/or a cationic metal species; it may also contain water. Additionally, it may contain a dopant, usually in a minor amount; suitable dopants include transition metals to modify the catalytic properties of the materials. Preferred molecular sieves comprise layered structures in which layers containing actinide in combination with atoms selected from the group consisting of oxygen, fluorine, phosphorus, transition metals and mixtures thereof have organic templates and/or cationic metal species located between them. In one class of materials, the layers contain an oxoanion (preferably a phosphate, notably orthophosphate, or a transition metal oxoanion); in this class, the actinide may usually be represented as an oxo ion, expecially an oxocation. In another class of materials, the layers contain actinide and fluorine. Exemplary materials have U/P/O or U/F frameworks.
    • 分子筛(通常松散地称为微孔材料)含有与选自氧,氟,磷,过渡金属及其混合物的原子组合的锕系元素。 分子筛材料可以包含适当地包含有机模板分子和/或阳离子金属物质的模板物质; 它也可能含有水。 另外,它可以含有通常少量的掺杂剂; 合适的掺杂剂包括过渡金属以改变材料的催化性能。 优选的分子筛包括层状结构,其中含有锕系元素与选自氧,氟,磷,过渡金属及其混合物的原子的组合的层具有位于它们之间的有机模板和/或阳离子金属物质。 在一类材料中,层包含氧阴离子(优选磷酸盐,特别是正磷酸盐或过渡金属氧代阴离子); 在这个类中,锕系通常可以表示为氧离子,特别是氧化。 在另一类材料中,这些层含有锕系和氟。 示例性材料具有U / P / O或U / F框架。