公开(公告)号：WO9958243A3

公开(公告)日：2000-04-20

申请号：PCT/GB9901517

申请日：1999-05-13

Applicant: BRITISH NUCLEAR FUELS PLC ,  DYER ALAN ,  PILLINGER MARTYN ,  NEWTON JONATHAN ANDREW ,  HARJULA RISTO OLAVI ,  MOLLER JOHANNA TERESIA ,  TUSA ESKO HEIKKI ,  SUHEEL AMIN ,  WEBB MAURICE

Inventor： DYER ALAN ,  PILLINGER MARTYN ,  NEWTON JONATHAN ANDREW ,  HARJULA RISTO OLAVI ,  MOLLER JOHANNA TERESIA ,  TUSA ESKO HEIKKI ,  SUHEEL AMIN ,  WEBB MAURICE

IPC: B01J39/02 ,  B01J39/10 ,  B01J39/12 ,  B01J39/14 ,  G21F9/12 ,  B01J39/08

CPC classification number: G21F9/12 ,  B01J39/02 ,  B01J39/10 ,  B01J39/12 ,  B01J39/14

Abstract: A method of selectively removing a target metal cation from a liquid medium containing at least one other metal cation involves the use of an ion exchange material selected from four groups: 1) crystalline materials synthesised from octahedral/tetrahedral co-ordination polyhedra; 2) layered oxide materials, including those with inorganic pillars incorporated between the layers; 3) high silica materials, including those with large mesoporosity; and 4) microporous materials with interstitial cations other than Si or Al in tetrahedral co-ordination. At least one of the pore size, the layer charge density, the interlayer cations and the doping metal cations are controlled to render the ion exchange material selective towards the target metal cation.

Abstract translation: 从含有至少一种其它金属阳离子的液体介质中选择性除去目标金属阳离子的方法涉及使用选自四组的离子交换材料：1）由八面体/四面体配位多面体合成的结晶材料; 2）层状氧化物材料，包括在层间结合的无机柱的那些; 3）高二氧化硅材料，包括具有较大介孔度的材料; 和4）在四面体配位中具有Si或Al以外的间隙阳离子的微孔材料。 控制孔径，层电荷密度，层间阳离子和掺杂金属阳离子中的至少一个使离子交换材料对靶金属阳离子有选择性。