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COMPARATIVE CHARACTERISTIC REMOVAL OF HYDROXOCOMPLEXES HOLMIUM BY ION FLOTATION AND EXTRACTION

Olga Lobacheva, Natalia Dzhevaga

First published: 2017-06-20https://doi.org/10.5593/sgem2017/51/s20.029View metrics

Abstract

Holmium (III) removal from nitrate solutions in a form of dodecyl sulfates using ion flotation and extraction methods was studied. Distribution and removal ratios as a function of equilibrium aqueous phase ?? value were received. Comparison of experimental results was conducted and conclusions on the effectiveness of each method depending on the assigned task were drawn. Comparative analysis of extraction and flotation methods for holmium (III) cations removal from individual water-salt solutions and in the compresence of rare-earth elements cations was conducted. According to the obtained results, it is possible to use both ion flotation and extraction methods for removal holmium (III) cations from diluted solutions, e.g. for concentrating components during wastewater treatment. The choice of method is determined by removal process realization conditions: aqueous phase ??, presence of foreign ions, solution volume, availability of different extragent and collector agent.

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Publication details

Title
COMPARATIVE CHARACTERISTIC REMOVAL OF HYDROXOCOMPLEXES HOLMIUM BY ION FLOTATION AND EXTRACTION
Authors
Olga Lobacheva, Natalia Dzhevaga
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation
Publisher
STEF92 Technology
Year
2017
Pages
219-226
SWS Citekey
Lobacheva201720219226
ISSN
1314-2704
ISBN
978-619-7408-08-9
Language
en
Publication type
Conference Paper
Keywords
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Number of times cited according to Crossref: 1

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