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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2011, Volume 62, Issue 5,





MARIA IGNAT, MARIA ALEXANDROAEI, NECULAI CĂTĂLIN LUNGU
The Removal of Zn2+ Ions from Groundwater
using Hydroxyapatite Nanoparticles

Abstract:

Due to their properties as reactivity, high surface area and the ability to be dispersed in aqueous solution, nanomaterials represent a promising application in different areas. Heavy metals such as Pb, Cd, Cu, Zn, Hg, Cr and Ni are the main contaminants of groundwater and soils and the removal of these metals is one of the most important issues of environmental remediation. The high sorption capacity for heavy metals, low water solubility and high stability under reducing and oxidizing conditions, availability and low cost are the principal characteristics of the hydroxyapatite in its utilization as material for ions retention from solutions. In this study is realized the possibility to use the hydroxyapatite as adsorbent in the removal of Zn (II) ions from aqueous solutions. The influence of contact time, pH and the initial concentration of metal ions were studied. Keywords: nanoparticles hydroxyapatite, Zn2+ removal, wastewater


Issue: 2011, Volume 62, Issue 5
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