- 专利标题： PROCESS FOR EXTRACTING AND RECOVERING TANTALUM PRESENT IN AN ACID AQUEOUS PHASE BY MEANS OF AN IONIC LIQUID, AND USE OF SUCH AN IONIC LIQUID FOR EXTRACTING THE TANTALUM FROM AN ACID AQUEOUS PHASE
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申请号： US15751307申请日： 2016-08-10
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公开(公告)号： US20180230572A1公开(公告)日： 2018-08-16
- 发明人: Raphael TURGIS , Guilhem ARRACHART , Stéphane PELLET-ROSTAING , Micheline DRAYE , Sophie LEGEAI , David VIRIEUX , Christian THOMAS
- 申请人： CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE , UNIVERSITE DE MONTPELLIER , UNIVERSITE DE CHAMBERY , ECOLE NATIONALE SUPÉRIEURE DE CHIMIE DE MONTPELLIER , TND
- 优先权： FR1557636 20150810
- 国际申请： PCT/EP2016/068998 WO 20160810
- 主分类号： C22B34/24
- IPC分类号： C22B34/24 ; C01G35/00 ; C22B3/26 ; C22B3/42 ; C25C1/06
摘要：
A method for extracting the tantalum from an acid aqueous phase A1 comprising at least one step comprising the bringing of the aqueous phase A1 into contact with a phase A2 not miscible with water, and then the separation of the aqueous phase A1 from the phase A2, the phase A2 consisting of one ionic liquid or a mixture of ionic liquids as an extractant. A method for recovering the tantalum that implements this extraction method and to a use of an ionic liquid or of a mixture of ionic liquids as an extractant, in order to extract the tantalum from such an aqueous phase A1.
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