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Citation: LI Ying-Yi, HU Jian-Dong. Effects of Non-Rare Earths Impurities on the Emulsifications During Extraction of Rare Earths by Naphthenic Acid and the Removal of Emulsion Phase[J]. Chinese Journal of Applied Chemistry, ;2010, 27(12): 1481-1482. doi: 10.3724/SP.J.1095.2010.00092 shu

Effects of Non-Rare Earths Impurities on the Emulsifications During Extraction of Rare Earths by Naphthenic Acid and the Removal of Emulsion Phase

LI Ying-Yi ,
HU Jian-Dong

a. School of Materials Science & Engineering, Nanchang University, Nanchang 330031;
b. School of Sciences, Nanchang University, Nanchang 330031

Received Date: 4 February 2010
Revised Date: 26 March 2010

The effects of non-rare earths impurities,such as Fe,Si,Al on the formation of emulsion phase were studied in the extraction of yttrium with naphthenic acid,and Si was found to be most significant one.Different solutions for removing the feed solutions were provided and an oxidation absorption precipitation method was proven to be the most effective approach,which can remove the emulsion phase in the extraction of rare earths.
- Si,
- rare earths,
- extraction,
- oxidation absorption,
- emulsification
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