Extraction of palladium（Ⅱ） from hydrochloride solutions with 2-n-octyl-4-isothiazolin-3-one as novel extractant
来源期刊：Rare Metals2013年第4期
论文作者：Song-Ping Wu
文章页码：425 - 430
摘 要：Solvent extraction of palladium（Ⅱ）from hydrochloric acid solution with 2-n-octyl-4-isothiazolin-3-one（OIT）/cyclohexane was studied.Effects of different parameters on extraction efficiency were evaluated.99.96% and 98.26% palladium（Ⅱ）could be effectively extracted with 0.018 mol·L-1OIT/cyclohexane of 0.1 and 4.0 mol·L-1HCl medium,respectively.Nonpolar solvent and low acidity could improve the extracting efficiency,and successfully strip palladium（Ⅱ）from the loaded organic phase was achieved with 0.5 mol·L-1（NH2）2CS solution.It was proposed that the extraction of Pd complexes from HCl medium proceeded through the ionassociation mechanism by slope method,NMR and FT-IR spectra.
Song-Ping Wu
School of Chemistry and Chemical Engineering, South China University of Technology
摘 要：Solvent extraction of palladium（Ⅱ）from hydrochloric acid solution with 2-n-octyl-4-isothiazolin-3-one（OIT）/cyclohexane was studied.Effects of different parameters on extraction efficiency were evaluated.99.96% and 98.26% palladium（Ⅱ）could be effectively extracted with 0.018 mol·L-1OIT/cyclohexane of 0.1 and 4.0 mol·L-1HCl medium,respectively.Nonpolar solvent and low acidity could improve the extracting efficiency,and successfully strip palladium（Ⅱ）from the loaded organic phase was achieved with 0.5 mol·L-1（NH2）2CS solution.It was proposed that the extraction of Pd complexes from HCl medium proceeded through the ionassociation mechanism by slope method,NMR and FT-IR spectra.
关键词：
