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    • 10. 发明申请
    • INORGANIC ION EXCHANGERS FOR REMOVING CONTAMINANT METAL IONS FROM LIQUID STREAMS
    • 无机离子交换器用于从液相中除去污染物中的金属离子
    • WO2002096559A1
    • 2002-12-05
    • PCT/AU2001/000645
    • 2001-05-31
    • AUSTRALIAN NUCLEAR SCIENCE & TECHNOLOGY ORGANISATIONLUCA, Victor
    • LUCA, Victor
    • B01J39/02
    • G21F9/12B01J39/02B01J39/10C01G41/006C01P2002/36C01P2002/54C01P2002/72C01P2002/77C01P2002/85C01P2004/03C01P2004/10Y10S210/912
    • The invention relates to processes and compositions for at least partially removing cations of one or more metals selected from the group consisting of caesium, strontium, lead, silver, transition metals, lanthanides and actinides from a liquid containing the cations. The process comprises contacting the liquid with a sorbent material in an amount and for a time sufficient to at least reduce the concentration of the cations, wherein the sorbent material is a metal oxide composition having the empirical formula A x/n [B y M 1-y O 3+δ ] x .ZH 2 O where M is one or more metals of Group Vb or Vlb of the Periodic Table; A is a cation selected from the group consisting of alkali metals, alkaline earth metals, silver, ammonium, hydrogen and mixtures thereof; n is the charge on the cation A; B is one or more elements selected from the group consisting of W, Zr, Mo, V, Ti, Fe, Ce, Sb, Nb, Mn, Co, Cr, Fe, Ta, Sn and Cu, provided that M and B are different; x represents the quantity of framework charge; y is a number in the range of O to about 0.5; Z is a number in the range O to 3; and 3+δ indicates the oxygen stoichiometry. Preferably, y is greater than zero.
    • 本发明涉及用于从含有阳离子的液体中至少部分去除选自铯,锶,铅,银,过渡金属,镧系元素和锕系元素的一种或多种金属的阳离子的方法和组合物。 该方法包括使液体与吸附剂材料接触,其量足以至少降低阳离子的浓度,其中吸附剂材料是具有经验式Ax / n [ByM1-yO3 +δ]的金属氧化物组合物, 其中M是元素周期表第Vb族或第VIb族的一种或多种金属; A是选自碱金属,碱土金属,银,铵,氢及其混合物的阳离子; n是阳离子A上的电荷; B是选自W,Zr,Mo,V,Ti,Fe,Ce,Sb,Nb,Mn,Co,Cr,Fe,Ta,Sn和Cu中的一种或多种元素,条件是M和B为 不同; x表示框架费用的数量; y是O至约0.5的范围内的数字; Z是范围为0到3的数字; 而3 +δ表示氧化学计量。 优选地,y大于零。