公开(公告)号：EP2558413A1

公开(公告)日：2013-02-20

申请号：EP11769396.0

申请日：2011-04-12

申请人： Cyanco Holding Corporation

发明人： RAJCHEL, Marcus ,  RAY, Michael F.

IPC分类号： C01C3/08 ,  C01C3/10 ,  C01C3/00

CPC分类号： C01C3/10 ,  B01J39/05 ,  B01J49/06 ,  C01F11/24 ,  G01C3/10

摘要： Provided is a method for high concentration cation exchange metathesis of divalent ions such as calcium with univalent ions such as sodium or potassium. Due to the difference between ionic valences between the exchanged ions, the provided process behavior is strongly dependent upon the selection of resin properties and to total solution normality. A combination of resin properties and solution normality is provided to achieve the cation exchange.