公开(公告)号：EP0463674A2

公开(公告)日：1992-01-02

申请号：EP91201484.2

申请日：1991-06-14

申请人： ENICHEM AGRICOLTURA S.p.A. ,  OFFICE TOGOLAIS DES PHOSPHATES

发明人： Anania, Guido ,  Cultrera, Vito ,  Blanca, Domenico

IPC分类号： C22B3/24 ,  C01B25/238

CPC分类号： C01B25/238 ,  C01G11/003 ,  C22B3/24 ,  Y02P10/234

摘要： Cadmium is removed from phosphoric acid streams containing it by a process comprising initially treating the stream concerned with halide ions and metallic iron, followed by absorbing the resultant phosphoric solution on adsorption resin not of ion exchange type.

摘要翻译： 通过包括首先处理与卤素离子和金属铁相关的流，然后在不是离子交换型的吸附树脂上吸收所得磷酸溶液的方法，从含有它的磷酸流中除去镉。

公开(公告)号：EP0463674A3

公开(公告)日：1993-12-29

申请号：EP91201484.2

申请日：1991-06-14

申请人： ENICHEM AGRICOLTURA S.p.A. ,  OFFICE TOGOLAIS DES PHOSPHATES

发明人： Anania, Guido ,  Cultrera, Vito ,  Blanca, Domenico

IPC分类号： C22B3/24 ,  C01B25/238

CPC分类号： C01B25/238 ,  C01G11/003 ,  C22B3/24 ,  Y02P10/234

摘要： Cadmium is removed from phosphoric acid streams containing it by a process comprising initially treating the stream concerned with halide ions and metallic iron, followed by absorbing the resultant phosphoric solution on adsorption resin not of ion exchange type.