<p>Cobalt(II)-bearing aqueous solutions may be treated with an extractant comprising an organic-soluble phosphinic acid, or a salt thereof, to separate the cobalt(II) from the aqueous solution. Typical extraction techniques compatible with the instant process include liquid- liquid extraction employing either mixer settlers or columns, packed beds of supported extractants as in ion exchange, liquid membrane extraction and selective supported membrane extraction.</p>
申请公布号
DE3177284(T2)
申请公布日期
1993.02.11
申请号
DE19813177284T
申请日期
1981.08.20
申请人
CYANAMID CANADA INC., WILLOWDALE, ONTARIO, CA
发明人
RICKELTON, WILLIAM ANDREW, NIAGARA FALLS ONTARIO, CA;ROBERTSON, ALLAN JAMES, THOROLD ONTARIO, CA;BURLEY, DAVID RICHARD, KINNELON NEW JERSEY, US