Preparation of Hydroxyapatite from Dromedary Bone by Heat Treatment

Ghedjemis, Amina; Benouadah, Ali; Fenineche, N.; Ayeche, Riad; Hatim, Zyneb; Drouiche, Nadjib; Lounici, H.

doi:10.1007/s41742-019-00198-5

Cited by 10 publications

(4 citation statements)

References 37 publications

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Section: Methodsmentioning

confidence: 99%

“…The hydroxyapatite utilized in this work, was extracted from the dromedary bone by heat treatment at 600°C for 12 hours, the details of the extraction have been described by Ghedjemis et al 18 The knowledge of the physico-chemical and structural properties of any material is necessary to contribute to the understanding of many phenomena such as adsorption, desorption and so on. Therefore, the prepared material was characterized by Fourier transform infrared spectroscopy (FTIR) (8400 s SHIMADZOU), X-ray diffraction (Bruker D8 Advance diffractometer), elemental analysis (XRF) (Bruker AXS GmbH), transmission electron microscope (TEM) (Cilas, Particle Size Analyzer), and pH ZPC determination (pH of zero-point charge) (inoLab 86 pH7110).…”

Section: Adsorbentmentioning

confidence: 99%

“…15 In the biomedical field, hydroxyapatite is used, precisely in orthopedics as a coating and in the environmental field, like bioadsorbent. [16][17][18] Hydroxyapatite has a positive and negative charge at its surface resulting from the presence of calcium (Ca +2 ), phosphate (PO 4 −3 ), hydroxyl (OH − ) ion which makes it possible to produce a bond with other atoms resulting in high adsorption ability. 19 The removal of the dye is warranted by adopting a suitable adsorbent to minimize the level of contamination.…”

Section: Introductionmentioning

confidence: 99%

“…This is one of the final waste products that can be valued as a biomaterial in order to use it for various applications and fields 15 . In the biomedical field, hydroxyapatite is used, precisely in orthopedics as a coating and in the environmental field, like bioadsorbent 16‐18 . Hydroxyapatite has a positive and negative charge at its surface resulting from the presence of calcium (Ca +2 ), phosphate (PO 4 −3 ), hydroxyl (OH − ) ion which makes it possible to produce a bond with other atoms resulting in high adsorption ability 19 .…”

Section: Introductionmentioning

confidence: 99%

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A new application of Hydroxyapatite extracted from dromedary bone: Adsorptive removal of Congo red from aqueous solution

Ghedjemis

Ayeche

Benouadah³

et al. 2021

Int J Applied Ceramic Tech

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The aim of this paper is to evaluate the efficiency of the natural hydroxyapatite powder for anionic dye (Congo red) elimination from water and optimization of adsorption process parameters that are contact time (0-360 min), solution pH (4-9), initial dye concentration (400-2400 mg/l), and adsorbent dosage (0.4-20 g/l). Natural hydroxyapatite with high surface area was prepared from animal agriculture waste dromedary bone. X-ray diffraction, transmission electron microscopy, transform infrared spectroscopy, and elemental analysis characterizations of the powder prepared show a hexagonal structure, the irregular form of hydroxyapatite and presence of other elements as trace element. The results of adsorption tests demonstrated the high efficiency of natural hydroxyapatite for removal of Congo red from water solution whose maximum experimental capacity adsorption of Congo red by natural hydroxyapatite is 900 mg/g at pH 4.5, equilibrium time 240 min and adsorbent dosage 2 g/l. According to the correlation coefficient value, the pseudo-second order kinetic model identified the sorption mechanism of pollutant used on natural hydroxyapatite.The Freundlich isotherm is the best representative theoretical model of the dye molecules' adsorption on the natural hydroxyapatite support.

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Section: Methodsmentioning

confidence: 99%

Section: Adsorbentmentioning

confidence: 99%