Recovery of heavy metal ions with calcium peroxide microparticles

Recovery of heavy metal ions with calcium peroxide microparticles Sorption properties of micrometer calcium peroxide particles produced by the chemical reaction between calcium hydroxide and hydrogen peroxide were studied. The dependences of the sorption properties of CaO2 particles on temperature and acidity of the medium were used to find the optimal values of these parameters at which the sorption of metals is at the maximum. It was shown that CaO2 particles are nearly as good in sorption properties with hematite and goethite nanoparticles and possess antifungal properties exceeding the corresponding characteristics of sulfur and silver nanoparticles. The simplicity of the method used to obtain the product containing 73% CaO2, low expenditure due to the application of large-tonnage starting reagents, and its good sorption and antimicrobial properties make it possible to recommend this compound for purification of wastewater, natural water basins, and soil to remove heavy metal ions, with the simultaneous detoxication of these objects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Recovery of heavy metal ions with calcium peroxide microparticles

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 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/S1070427216030034
Publisher site
See Article on Publisher Site

Abstract

Sorption properties of micrometer calcium peroxide particles produced by the chemical reaction between calcium hydroxide and hydrogen peroxide were studied. The dependences of the sorption properties of CaO2 particles on temperature and acidity of the medium were used to find the optimal values of these parameters at which the sorption of metals is at the maximum. It was shown that CaO2 particles are nearly as good in sorption properties with hematite and goethite nanoparticles and possess antifungal properties exceeding the corresponding characteristics of sulfur and silver nanoparticles. The simplicity of the method used to obtain the product containing 73% CaO2, low expenditure due to the application of large-tonnage starting reagents, and its good sorption and antimicrobial properties make it possible to recommend this compound for purification of wastewater, natural water basins, and soil to remove heavy metal ions, with the simultaneous detoxication of these objects.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jun 15, 2016

References

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