Influence of pH of the medium on the physicochemical characteristics and efficiency of electroflotation recovery of poorly soluble cerium(III, IV) compounds from aqueous solutions

Influence of pH of the medium on the physicochemical characteristics and efficiency of... The influence of pH of solutions on the size, surface characteristics, and electroflotation activity of particles of poorly soluble cerium(III, IV) compounds was examined. The recovery completeness and efficiency directly depend on the electrokinetic potential of poorly soluble cerium particles: the particles with the smallest absolute value of the surface charge are recovered most completely and efficiently. The effect of Superfloc series flocculants of different nature on the efficiency of the electroflotation process was demonstrated. Introduction of a cationic flocculant leads to the process intensification, to a decrease in the treatment time to 2 min, and to an increase in the degree of recovery of cerium compounds to 99%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Influence of pH of the medium on the physicochemical characteristics and efficiency of electroflotation recovery of poorly soluble cerium(III, IV) compounds from aqueous solutions

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215090104
Publisher site
See Article on Publisher Site

Abstract

The influence of pH of solutions on the size, surface characteristics, and electroflotation activity of particles of poorly soluble cerium(III, IV) compounds was examined. The recovery completeness and efficiency directly depend on the electrokinetic potential of poorly soluble cerium particles: the particles with the smallest absolute value of the surface charge are recovered most completely and efficiently. The effect of Superfloc series flocculants of different nature on the efficiency of the electroflotation process was demonstrated. Introduction of a cationic flocculant leads to the process intensification, to a decrease in the treatment time to 2 min, and to an increase in the degree of recovery of cerium compounds to 99%.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Dec 23, 2015

References

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