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Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites: a comparative study

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Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites : a comparative study. / Frnane, Farida ; Boudia, Saliha; Aiouache, Farid.

In: Desalination and Water Treatment, Vol. 52, No. 13-15, 2014, p. 2856-2862.

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Frnane, F, Boudia, S & Aiouache, F 2014, 'Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites: a comparative study', Desalination and Water Treatment, vol. 52, no. 13-15, pp. 2856-2862. https://doi.org/10.1080/19443994.2013.807084

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Frnane, Farida ; Boudia, Saliha ; Aiouache, Farid. / Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites : a comparative study. In: Desalination and Water Treatment. 2014 ; Vol. 52, No. 13-15. pp. 2856-2862.

Bibtex

@article{e0a124716c974ce7992f61231a6b6a5a,
title = "Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites: a comparative study",
abstract = "The sorption of divalent copper and nickel ions from aqueous solutions on natural and synthetic hydroxyapatites was investigated in batch mode at 25 and 40°C and over metal concentration range of 20–800 mg/L. Effect of initial pH solution was also investigated for two values pH 4.5 and pH 6. The sorption equilibrium data were well fitted by Langmuir{\textquoteright}s model. Both hydroxyapatites are efficient to remove copper and nickel ions, despite their different compositions and morphologies. The sorption mechanism involved an ion exchange between calcium ions of hydroxyapatite and metal ions along with pronounced precipitation, particularly in case of the synthetic hydroxyapatite. Higher sorption efficiencies were observed with the synthetic hydroxyapatite towards copper ions, similar values for both synthetic and natural hydroxyapatites were found towards Ni ion{\textquoteright}s sorption and lower values at pH 6.",
keywords = "Sorption, Isotherm , Hydroxyapatite , Copper ions , Nickel ions",
author = "Farida Frnane and Saliha Boudia and Farid Aiouache",
year = "2014",
doi = "10.1080/19443994.2013.807084",
language = "English",
volume = "52",
pages = "2856--2862",
journal = "Desalination and Water Treatment",
issn = "1944-3994",
publisher = "Taylor and Francis Ltd.",
number = "13-15",

}

RIS

TY - JOUR

T1 - Removal Cu(II) and Ni(II) by natural and synthetic hydroxyapatites

T2 - a comparative study

AU - Frnane, Farida

AU - Boudia, Saliha

AU - Aiouache, Farid

PY - 2014

Y1 - 2014

N2 - The sorption of divalent copper and nickel ions from aqueous solutions on natural and synthetic hydroxyapatites was investigated in batch mode at 25 and 40°C and over metal concentration range of 20–800 mg/L. Effect of initial pH solution was also investigated for two values pH 4.5 and pH 6. The sorption equilibrium data were well fitted by Langmuir’s model. Both hydroxyapatites are efficient to remove copper and nickel ions, despite their different compositions and morphologies. The sorption mechanism involved an ion exchange between calcium ions of hydroxyapatite and metal ions along with pronounced precipitation, particularly in case of the synthetic hydroxyapatite. Higher sorption efficiencies were observed with the synthetic hydroxyapatite towards copper ions, similar values for both synthetic and natural hydroxyapatites were found towards Ni ion’s sorption and lower values at pH 6.

AB - The sorption of divalent copper and nickel ions from aqueous solutions on natural and synthetic hydroxyapatites was investigated in batch mode at 25 and 40°C and over metal concentration range of 20–800 mg/L. Effect of initial pH solution was also investigated for two values pH 4.5 and pH 6. The sorption equilibrium data were well fitted by Langmuir’s model. Both hydroxyapatites are efficient to remove copper and nickel ions, despite their different compositions and morphologies. The sorption mechanism involved an ion exchange between calcium ions of hydroxyapatite and metal ions along with pronounced precipitation, particularly in case of the synthetic hydroxyapatite. Higher sorption efficiencies were observed with the synthetic hydroxyapatite towards copper ions, similar values for both synthetic and natural hydroxyapatites were found towards Ni ion’s sorption and lower values at pH 6.

KW - Sorption

KW - Isotherm

KW - Hydroxyapatite

KW - Copper ions

KW - Nickel ions

U2 - 10.1080/19443994.2013.807084

DO - 10.1080/19443994.2013.807084

M3 - Journal article

VL - 52

SP - 2856

EP - 2862

JO - Desalination and Water Treatment

JF - Desalination and Water Treatment

SN - 1944-3994

IS - 13-15

ER -