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Citation: Li Yadong, Li Zhiyong, Zheng Huagui, Li Longquan, Zhou Yi. Extraction of Sc (Ⅲ) by ELM Method Using PMBP as Caaarrier[J]. Chinese Journal of Applied Chemistry, ;1994, 11(2): 77-80. shu

Extraction of Sc (Ⅲ) by ELM Method Using PMBP as Caaarrier

1.
Department of Applied Chemistry, University of Science and Technology of China, Heifei 230026

Received Date: 8 June 1993
Available Online: 26 October 1993

Scandium (Ⅲ) was extracted by the emulsion liquid membrane (ELM) method using 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-on as a carrier.The extraction rate of Sc (Ⅲ) was more than 95.5% and the separation factor for Sc (Ⅲ) and mixed rare earths β_SC/RE was 32.0.The optimum conditions for the extraction as follows:pH=1.7~3.8 for feed liquid,PMBP 0.4%,surfactant Span 80.3%,mixed solution of liquid paraffin and kerosene 5%,concentration of HCl in the internal phase 3mol/L,R_oi=1:1,R_we=20:1.
- scandium,
- mixed rare earth,
- extraction,
- separation,
- emulsion liquid membranemethod,
- benzoyl-methyl-phenyl-pyrazolidone
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