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Solvent Extraction of Sn(IV) from Hydrochloric Acid Solution by Tri-Butyl Phosphate(TBP)  

Seo, Jae-Seong (Dept. of Advanced Materials Science & Engineering, Daejin University)
Ahn, Jae-Woo (Dept. of Advanced Materials Science & Engineering, Daejin University)
Lee, Man-Seung (Dept. of Advanced Materials Science & Engineering, Mokpo National University)
Publication Information
Resources Recycling / v.19, no.3, 2010 , pp. 45-51 More about this Journal
Abstract
Solvent extraction behavior of Sn(IV) from hydrochloric acid solution was investigated using TBP(Tri-butyl Phosphate) as an extractant. The experimental parameters, such as the concentration of HCl solution, chloride ions, extractant, and Sn were observed. Experimental results showed that the extraction percent of Sn was increased with increasing the hydrochloric acid and chloride ion concentration. More than 98% of Sn was extracted in 7.0 M HCl by 10% TBP. The optimum extraction stages of Sn for continuous extraction process was theoretically calculated by analysizing the McCabe-Thiele diagram. Stripping of Sn from the loaded organic phases can be accomplished by NaOH as a stripping reagent effectively and 99.3% of Sn was stripped by 2.0M NaOH solution.
Keywords
solvent extraction; TBP; Tin; HCl; solders;
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Times Cited By KSCI : 1  (Citation Analysis)
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