Extraction of Mo(VI) solutions in nitric media by Alamine 336 or Aliquat 336

被引：5
|
作者：
Navarro, P
Alguacil, FJ
机构：
[1] UNIV SANTIAGO CHILE, FAC INGN, DEPT INGN MET, SANTIAGO, CHILE
[2] CSIC, CTR NACL INVEST MET, E-28040 MADRID, SPAIN
来源：
REVISTA DE METALURGIA | 1995年 / 31卷 / 06期
关键词：
solvent extraction; purification; molybdenum; amines; quaternary ammonium salts;
D O I：
10.3989/revmetalm.1995.v31.i6.937
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The treatment of molybdenite concentrates with nitric acid yields solutions in which copper and iron accompany molybdenum as impurities. The purification of such solutions using the tertiary amine Alamine 336, the quaternary ammonium salt Aliquat 336 or mixtures of both as selective extractants for molybdenum is studied here. Stripping is accomplished with ammonium hydroxide solutions, obtaining ammonium molybdate solutions which can be recirculated to the main circuit for the obtention of ammonium molybdate.
引用
收藏
页码：379 / 385
页数：7
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