Title: Study on the Aqueous Two-phase System Extraction Separation of Cu with Ethanl-(NH_4)_2SO_4-DDTC System
Abstract: Ahanol and water can separate two-phase system in the presence of(NH4)2SO4.The extraction behavior of Cu(Ⅱ) Fe(Ⅱ)and condition of phase separation from C2H5OH-H2O solution were studied.Factors influential to the rate were also discussed.It was show that Cu(Ⅱ) was extrated in to C2H5OH with the solution system montioned above while Fe(Ⅱ) was not extracted or extracted at very low rate only.With the amount of Cu was 50 μg,the ethanol was 15 mL Cu(Ⅱ) could be extracted completey under the amount of(NH4)2SO4 was 6.0 g,and DDTC(0.1%) 0.5 mL pH=4.0.The possibility of separate Cu(Ⅱ)from Fe(Ⅱ) was also disscused.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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