Study of the interaction of mono-, di-, and trisubstituted sodium orthophosphates with thermally activated dolomite

Study of the interaction of mono-, di-, and trisubstituted sodium orthophosphates with thermally... Interaction of dolomite thermally treated at 800°C with solutions of mono-, di-, and trisubstituted sodium phosphate was studied. It was shown that thermally treated dolomite binds 0.75 to 3.0 mmol g–1 of phosphorus, depending on the nature of a phosphating reagent, and the interaction mostly occurs with magnesium oxide, which enables use of this kind of dolomite as a sorbent of phosphate ions. It was found that the nature of the phosphating reagent affects the chemical and phase composition of the materials obtained, as well as their sorption properties with respect to heavy metal ions. The products formed in acid-free phosphation of dolomite have high sorption capacity, from 1.5 to 6.8 mmol g–1 for Pb2+, Zn2+, Cu2+, Cd2+, Ni2+, Sr2+, and Co2+ ions, which enables their use as effective sorbents for heavy metal ions.urning. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Study of the interaction of mono-, di-, and trisubstituted sodium orthophosphates with thermally activated dolomite

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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/S10704272150110038
Publisher site
See Article on Publisher Site

Abstract

Interaction of dolomite thermally treated at 800°C with solutions of mono-, di-, and trisubstituted sodium phosphate was studied. It was shown that thermally treated dolomite binds 0.75 to 3.0 mmol g–1 of phosphorus, depending on the nature of a phosphating reagent, and the interaction mostly occurs with magnesium oxide, which enables use of this kind of dolomite as a sorbent of phosphate ions. It was found that the nature of the phosphating reagent affects the chemical and phase composition of the materials obtained, as well as their sorption properties with respect to heavy metal ions. The products formed in acid-free phosphation of dolomite have high sorption capacity, from 1.5 to 6.8 mmol g–1 for Pb2+, Zn2+, Cu2+, Cd2+, Ni2+, Sr2+, and Co2+ ions, which enables their use as effective sorbents for heavy metal ions.urning.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Feb 17, 2016

References

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