| Issue |
E3S Web Conf.
Volume 8, 2016
Mineral Engineering Conference MEC2016
|
|
|---|---|---|
| Article Number | 01016 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/e3sconf/20160801016 | |
| Published online | 16 September 2016 | |
Studies of extractive removal of silver(I) from chloride solutions
Wroclaw University of Science and Technology, Faculty of Chemistry, Division of Analytical Chemistry and Chemical Metallurgy, 50370 Wroclaw, Poland
a Corresponding author: katarzyna.wejman@pwr.edu.pl
For efficient recovery of silver(I) from chloride solutions, amine extractants were used. The effect of the type of diluent, extractant and chloride concentration, contact time and reextraction were studied. It was found that the best diluent for this process was xylene. Extraction of silver depended on concentration of hydrochloric acid, sodium chloride and extractant and additionally on the contact time. Reextraction of Ag(I) ions from the loaded organic phase showed that it can be removed only little using NH3·H2O, NaOH, NH4NO3, and NaNO3 as the stripping agents.
© Owned by the authors, published by EDP Sciences, 2016
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