Indian Journal of Science and Technology

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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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