Indian Journal of Science and Technology

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Characterization of Cr(VI) Removal from Aqueous Solutions by Natural Hydroxyapatite from Bone Ash and Determination of Optimum Conditions


Affiliations
1 Department of Materials Science and Engineering, School of Engineering, Semnan University, Semnan, Iran, Islamic Republic of
2 Department of Chemistry, Shahid Beheshti University, Tehran, Iran, Islamic Republic of
 

The aim of this paper is eliminating Cr(VI) by natural HAP. HAP is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like Cr(VI). Some experiments in different pH are performed (pH = 2, 3, 7). Maximum adsorption was appeared at pH = 2, dosage = 0.3 gr, C0 = 10 mg/l. Cr(VI) removal depends on pH value and initial amount of Cr(VI) result of experiments were analyzed by Longmuir and Freundrich and kinetic model.

Keywords

Adsorption, Bone Ash, Cr Removal, Heavy Metal Ions, Kinetic Model, Natural Hydroxyapatite.
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  • Characterization of Cr(VI) Removal from Aqueous Solutions by Natural Hydroxyapatite from Bone Ash and Determination of Optimum Conditions

Abstract Views: 171  |  PDF Views: 0

Authors

Faezeh Tadjik
Department of Materials Science and Engineering, School of Engineering, Semnan University, Semnan, Iran, Islamic Republic of
Omid Mirzaee
Department of Chemistry, Shahid Beheshti University, Tehran, Iran, Islamic Republic of
Homeira Ebrahimzadeh
Department of Chemistry, Shahid Beheshti University, Tehran, Iran, Islamic Republic of

Abstract


The aim of this paper is eliminating Cr(VI) by natural HAP. HAP is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like Cr(VI). Some experiments in different pH are performed (pH = 2, 3, 7). Maximum adsorption was appeared at pH = 2, dosage = 0.3 gr, C0 = 10 mg/l. Cr(VI) removal depends on pH value and initial amount of Cr(VI) result of experiments were analyzed by Longmuir and Freundrich and kinetic model.

Keywords


Adsorption, Bone Ash, Cr Removal, Heavy Metal Ions, Kinetic Model, Natural Hydroxyapatite.



DOI: https://doi.org/10.17485/ijst%2F2015%2Fv8i13%2F75209