Purification of aqueous solutions to remove variable-valence metals with the use of ruthenium-titanium oxide electrodes

Purification of aqueous solutions to remove variable-valence metals with the use of... Method for purification of aqueous solutions to remove Fe(II), Ni(II), and Co(II) ions with ruthenium-titanium oxide electrodes (ORTA) was studied. The method is based on the process in which divalent metals are oxidized to the trivalent state at the phase boundary between the oxide layer on the electrode surface and the aqueous solution, followed by recovery of the metals from solution by filtration in the form of poorly soluble hydroxides M(OH)3. IT was found that technological parameters of the process affect the recovery efficiency of variable-valence metal ions from aqueous solutions. IT is shown that the method is promising for application in water purification and water treatment processes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Purification of aqueous solutions to remove variable-valence metals with the use of ruthenium-titanium oxide electrodes

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Publisher
Springer Journals
Copyright
Copyright © 2014 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/S1070427214090043
Publisher site
See Article on Publisher Site

Abstract

Method for purification of aqueous solutions to remove Fe(II), Ni(II), and Co(II) ions with ruthenium-titanium oxide electrodes (ORTA) was studied. The method is based on the process in which divalent metals are oxidized to the trivalent state at the phase boundary between the oxide layer on the electrode surface and the aqueous solution, followed by recovery of the metals from solution by filtration in the form of poorly soluble hydroxides M(OH)3. IT was found that technological parameters of the process affect the recovery efficiency of variable-valence metal ions from aqueous solutions. IT is shown that the method is promising for application in water purification and water treatment processes.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Dec 30, 2014

References

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