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

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Revista de Chimie (Rev. Chim.), Year 2018, Volume 69, Issue 6, 1293-1297

https://doi.org/10.37358/RC.18.6.6313

Laurentiu Teodor Busuioc, Claudia Maria Simonescu, Gheorghe Nechifor, Elena Radoi, Ionut Eduard Girbea

Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders

Abstract:

A kinetic study has been carried out with two hydroxyapatite nanopowders to establish the mechanism involved in heavy metals removal from aqueous synthetic solutions. The samples of nanohydroxyapatite have been previously characterized. The first sample represents a pure hydroxyapatite (HAP) nanopowder named HAP-1, and the second sample (HAP-2) consist of a mixture of hydroxyapatite (HAP; Ca10(PO4)6(OH)2) and b-tricalcium phosphate (b-TCP; Ca3(PO4)2). Batch experiments with single and binary Zn(II) and Pb(II) aqueous solutions have been performed. According to this research study, it was found that the both nanohydroxyapatite samples show good heavy metals adsorption capacity, and selectivity for Pb(II) ions. A more pronounced decreasing of sorption capacity of Zn(II) ions from binary solutions compared to that registered from single heavy metal ion solutions has been observed. From the kinetic point of view, the sorption process can be described for both heavy metals as a pseudo-second-order kinetic process. According to this model, the Zn(II) and Pb(II) sorption can be achieved by chemical reactions between heavy metals and functional groups of adsorbents. The obtained results are indicative of good hydroxyapatite adsorption ability towards Pb(II) and Zn(II) ions.
Keywords:
synthetic nanohydroxyapatite; sorption capacity; lead and zinc removal; kinetic studies; kinetic sorption models

Issue: 2018, Volume 69, Issue 6
Pages: 1293-1297
Publication date: 2018/7/15
https://doi.org/10.37358/RC.18.6.6313
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
BUSUIOC, L.T., SIMONESCU, C.M., NECHIFOR, G., RADOI, E., GIRBEA, I.E., Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders, Rev. Chim., 69(6), 2018, 1293-1297.

Vancouver
Busuioc LT, Simonescu CM, Nechifor G, Radoi E, Girbea IE. Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders. Rev. Chim.[internet]. 2018 Jun;69(6):1293-1297. Available from: https://doi.org/10.37358/RC.18.6.6313


APA 6th edition
Busuioc, L.T., Simonescu, C.M., Nechifor, G., Radoi, E. & Girbea, I.E. (2018). Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders. Revista de Chimie, 69(6), 1293-1297. https://doi.org/10.37358/RC.18.6.6313


Harvard
Busuioc, L.T., Simonescu, C.M., Nechifor, G., Radoi, E., Girbea, I.E. (2018). 'Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders', Revista de Chimie, 69(6), pp. 1293-1297. https://doi.org/10.37358/RC.18.6.6313


IEEE
L.T. Busuioc, C.M. Simonescu, G. Nechifor, E. Radoi, I.E. Girbea, "Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders". Revista de Chimie, vol. 69, no. 6, pp. 1293-1297, 2018. [online]. https://doi.org/10.37358/RC.18.6.6313


Text
Laurentiu Teodor Busuioc, Claudia Maria Simonescu, Gheorghe Nechifor, Elena Radoi, Ionut Eduard Girbea,
Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders,
Revista de Chimie,
Volume 69, Issue 6,
2018,
Pages 1293-1297,
ISSN 2668-8212,
https://doi.org/10.37358/RC.18.6.6313.
(https://revistadechimie.ro/Articles.asp?ID=6313)
Keywords: synthetic nanohydroxyapatite; sorption capacity; lead and zinc removal; kinetic studies; kinetic sorption models


RIS
TY - JOUR
T1 - Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders
A1 - Busuioc, Laurentiu Teodor
A2 - Simonescu, Claudia Maria
A3 - Nechifor, Gheorghe
A4 - Radoi, Elena
A5 - Girbea, Ionut Eduard
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2018
VL - 69
IS - 6
SP - 1293
EP - 1297
UR - https://doi.org/10.37358/RC.18.6.6313
KW - synthetic nanohydroxyapatite
KW - sorption capacity
KW - lead and zinc removal
KW - kinetic studies
KW - kinetic sorption models
ER -


BibTex
@article{RevCh2018P1293,
author = {Busuioc Laurentiu Teodor and Simonescu Claudia Maria and Nechifor Gheorghe and Radoi Elena and Girbea Ionut Eduard},
title = {Kinetic Studies of Zn(II) Removal from Single and Binary Solutions by Synthetic Hydroxyapatite - Based Nanopowders},
journal = {Revista de Chimie},
volume = {69},
number = {6},
pages = {1293-1297},
year = {2018},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.18.6.6313},
url = {https://revistadechimie.ro/Articles.asp?ID=6313}
}
 
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