SYNTHESIS OF Mg AND Na CONTAINING CARBONATE-FLUORAPATITES AND THEIR USE FOR THE REMOVAL OF Cd2+ AND Mn2+ IONS FROM SOLUTIONS

Substituted Mg and Na containing carbonate-fluorapatites were synthesized by the wet method at pH=9, their thermal changes were studied up to 1000°C. The apatites ability to remove Cd2+ and Mn2+ from solutions rises with the increase in the content of substituents. Ion sorption proceeds either by io...

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Bibliographic Details
Published in:Phosphorus Research Bulletin 1996, Vol.6, pp.147-150
Main Authors: TÕNSUAADU, KAIA, PELD, MERIKE, VEIDERMA, MIHKEL
Format: Article
Language:English
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Summary:Substituted Mg and Na containing carbonate-fluorapatites were synthesized by the wet method at pH=9, their thermal changes were studied up to 1000°C. The apatites ability to remove Cd2+ and Mn2+ from solutions rises with the increase in the content of substituents. Ion sorption proceeds either by ion exchange or by the precipitation-dissolution mechanism.
ISSN:0918-4783
1882-2363
DOI:10.3363/prb1992.6.0_147