The uptake of silver(I) from chloride solutions by amine extractants

E3S Web of Conferences. 2017;18:01018 DOI 10.1051/e3sconf/201712301018

 

Journal Homepage

Journal Title: E3S Web of Conferences

ISSN: 2267-1242 (Online)

Publisher: EDP Sciences

LCC Subject Category: Geography. Anthropology. Recreation: Environmental sciences

Country of publisher: France

Language of fulltext: French, English

Full-text formats available: PDF

 

AUTHORS

Wejman Katarzyna
Pilśniak-Rabiega Magdalena

EDITORIAL INFORMATION

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Time From Submission to Publication: 6 weeks

 

Abstract | Full Text

The amine extractants, bis(2-ethylhexyl)amine, N,N-dimethylethanolamine, and trioctylamine were used to recover silver(I) ions from chloride solutions. The effect of the pH, contact time, extractant concentration and reextraction were studied. It was found that extraction of silver(I) depended on the pH, extractant concentration and strongly on the contact time. Reextraction of Ag(I) ions from the loaded organic phase showed that the metal can be removed in over 50% for the three extractant using sodium hydroxide. The recovery of silver from the chloride leaching solutions were above 85% for bis(2-ethylhexyl)amine, above 58% for N,N-dimethylethanolamine, and above 70% for trioctylamine.