Micellar Extraction of Zinc with Di(2-ethylhexyl)phosphoric Acid and the Addition of the Cationic Surfactant Cetyltrimethylammonium Bromide

Studies on the solvent extraction of rar

Studies on the solvent extraction of rare earths from nitrate media with a combination of di-(2-ethylhexyl)phosphoric acid and sec-octylphenoxyacetic acid

✍ Qiong Jia; Zhiying Li; Weihong Zhou; Hongfei Li 📂 Article 📅 2009 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 108 KB

## Abstract BACKGROUND: Di‐(2‐ethylhexyl)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