Synthesis of struvite (MgNH4PO4·6H2O) and its use for sorption of nickel ions

Synthesis of struvite (MgNH4PO4·6H2O) and its use for sorption of nickel ions The influence of the conditions of the struvite synthesis on its ability to form crystals with developed faces of different forms (hkl) and on the possibility of the subsequent transition to more stable forms was examined. The correlation between the ζ-potential of the struvite particle surface, struvite crystal size, and tendency to form agglomerates was demonstrated. The sorption rate in the system consisting of struvite, nickel ions, ammonium ions, and water can be increased by combining the internal diffusion and recrystallization of the solid interaction products. The possibility of enhancing the sorption performance by properly choosing the anionic composition of solutions of nickel salts for the sorption was revealed. The conditions for preparing struvite for its use as agent for improvement of contaminated soils to immobilize heavy metal ions were substantiated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Synthesis of struvite (MgNH4PO4·6H2O) and its use for sorption of nickel ions

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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/S10704272150120149
Publisher site
See Article on Publisher Site

Abstract

The influence of the conditions of the struvite synthesis on its ability to form crystals with developed faces of different forms (hkl) and on the possibility of the subsequent transition to more stable forms was examined. The correlation between the ζ-potential of the struvite particle surface, struvite crystal size, and tendency to form agglomerates was demonstrated. The sorption rate in the system consisting of struvite, nickel ions, ammonium ions, and water can be increased by combining the internal diffusion and recrystallization of the solid interaction products. The possibility of enhancing the sorption performance by properly choosing the anionic composition of solutions of nickel salts for the sorption was revealed. The conditions for preparing struvite for its use as agent for improvement of contaminated soils to immobilize heavy metal ions were substantiated.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Mar 3, 2016

References

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