ALIPHATIC-AROMATIC HETEROCYCLIC COMPOUNDS AND USES THEREOF IN METAL EXTRACTANT COMPOSITIONS
申请人:CYTEC INDUSTRIES INC.
公开号:US20160244860A1
公开(公告)日:2016-08-25
The invention relates to an aliphatic-aromatic heterocyclic compound A which comprises at least two heterocyclic rings B and C, to a metal extractant composition E comprising this aliphatic-aromatic heterocyclic compound A and an organic acid D having at least one carboxylic, sulfonic, sulfuric, phosphinic, phosphonic, or phosphoric acid group, and to a process to extract one or more metals M selected from the group consisting of Ni and Co from an aqueous acidic leach solution PL comprising ions of at least one of the metals M, and further, at least one kind of further ions selected from the group consisting of Fe ions, Al ions, Cu ions, Mg ions, Mn ions, and also silicate anions, by mixing the solution PL with an extractant composition E, separating the organic and aqueous phases, and recovering the metal M from the separated organic phase.
该发明涉及一种脂肪族-芳香族杂环化合物A,该化合物A包括至少两个杂环B和C,以及一种金属萃取剂组合物E,该组合物E包括该脂肪族-芳香族杂环化合物A和一种有至少一个羧基、磺酸基、硫酸基、膦基、膦酸基或磷酸基的有机酸D,以及用于从含有至少一种金属M离子的水酸性浸出溶液PL中萃取来自Ni和Co组的一种或多种金属M的过程,以及至少一种进一步离子,所述进一步离子选自Fe离子、Al离子、Cu离子、Mg离子、Mn离子以及硅酸根离子,通过将溶液PL与萃取剂组合物E混合,分离有机相和水相,并从分离的有机相中回收金属M。