Extraction of Palladium(II) Ions from Chloride Solutions with Phosphonium Ionic Liquid Cyphos®IL101

• Authors: Anna Cieszyńska , Magdalena Regel-Rosocka , Maciej Wiśniewski
• Languages of publication: EN

Abstracts

EN

The extraction of palladium(II) from hydrochloric acid solutions of various concentrations in the presence of different amounts of sodium chloride with phosphonium ionic liquid Cyphos®IL101 in toluene was investigated. The extraction of Pd(II) is very effective. The percentage extraction of Pd(II) from 0.1 mol dm- 3 HCl solution amounts to 97% with Cyphos®IL101. Both the increase in HCl concentration and the presence of NaCl have a negative influence on the extraction. The extent of extraction from 0.1 mol dm-3 HCl solution in the presence of 0.5 mol dm-3 NaCl is about 80% and from 3 mol dm-3 HCl is lower and amounts to 56%. The extraction of Pd(II) from aqueous 0.1 mol dm-3 HCl and from 0.1 mol dm-3 HCl in the presence of 0.5 mol dm-3 NaCl with this phosphonium ionic liquid is rapid and the equilibrium is achieved after 1 - 2 minutes. The extraction of Pd(II) from aqueous 3 mol dm-3 HCl is slower and the equilibrium is achieved after 5 - 6 minutes.

Keywords

EN

extraction of palladium(II); hydrochloric acid; phosphonium ionic liquids

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2007
• Volume: 9
• Issue: 2
• Pages: 99-101

Dates

published

1 - 1 - 2007

online

19 - 10 - 2007

Contributors

author

Anna Cieszyńska

• Institute of Chemical Engineering and Technology, Poznan University of Technology, pl. M. Skłodowskiej-Curie 2, 60-965 Poznań, Poland

author

Magdalena Regel-Rosocka

• Institute of Chemical Engineering and Technology, Poznan University of Technology, pl. M. Skłodowskiej-Curie 2, 60-965 Poznań, Poland

author

Maciej Wiśniewski

• Institute of Chemical Engineering and Technology, Poznan University of Technology, pl. M. Skłodowskiej-Curie 2, 60-965 Poznań, Poland

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Identifiers

DOI

10.2478/v10026-007-0037-4