Conductivity study on the w/o microemulsion of a saponified mono(2-ethylhexyl) phosphoric acid extractant system
β Scribed by Xun Fu; Ying Pan; Zhengshui Hu; Zhifang Ma
- Book ID
- 108029763
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 472 KB
- Volume
- 110
- Category
- Article
- ISSN
- 0927-7757
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## Abstract The synergistic extraction of rare earths (La, Nd, Gd, Y and Yb) with a mixture of 2βethylhexyl 2βethylhexylphosphonate (EHEHPA) (HA) and trialkylphosphine oxide (Cyanex 923) (B) from a hydrochloride medium was investigated. The mixed system significantly enhances the extraction efficie
## Abstract BACKGROUND: Diβ(2βethylhexyl)phosphoric acid (D2EHPA, H~2~A~2~) has been used extensively in hydrometallurgy for the extraction of rare earths, but it has some limitations. Synergistic extraction has attracted much attention because of its enhanced extractabilities and selectivities. In