Synthesis of novel ionic liquids and evaluation of their leaching performance in the recovery of copper and zinc from industrial brass slag

被引：1
|
作者：
Sahin, Ayfer Kilicarslan [1 ]
Atalay, Tugba Selcen [1 ]
Atbakar, Muge [2 ]
Ocal, Nuket [2 ]
Saridede, Muhlis Nezihi [1 ]
机构：
[1] Yildiz Tech Univ, Dept Met & Mat Engn, Davutpasa Campus, TR-34210 Istanbul, Turkey
[2] Yildiz Tech Univ, Dept Chem, Davutpasa Campus, TR-34210 Istanbul, Turkey
来源：
REVISTA DE METALURGIA | 2016年 / 52卷 / 04期
关键词：
Copper; Ionic liquid; Leach; Recovery; Synthesis; Zinc;
D O I：
10.3989/revmetalm.082
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Imidazolium-based ionic liquids, 1,3-dibenzylimidazolium trifluoroacetate, 1-benzyl-3-ethylimidazolium trifluoroacetate and 1-benzyl-3-propylimidazolium trifluoroacetate were prepared by simple methods, when compared with those in literature sources, and characterized by IR, NMR and GC-MS and LC-MS. These ILs (Ionic Liquids) were employed as leaching agents in the treatment of industrial copper and zinc bearing slag for the recovery of metals. Results showed that synthesized all novel ionic liquids meet the standard specifications of an ionic liquid. Metal recovery rates decrease with time except for zinc dissolution in 1,3-dibenzylimidazolium trifluoroacetate. 1,3-dibenzylimidazolium trifluoroacetate, when compared with others, is a more effective leaching agent for the treatment of copper and zinc bearing brass slag. Metal recovery rates achieved with this IL are 62.58% for zinc and 24.95% for copper.
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页数：7
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