Cobalt adsorption on the nano-hydroxyapatite matrix: isotherm and kinetic studies

• Autorzy: Narwade V. N. , Khairnar R. S.

Identyfikatory

DOI

10.1515/bpasts-2017-0016

• Języki publikacji: EN

Abstrakty

EN

Cobalt radionuclide is one of the prime contaminants generated during operation of pressurized heavy water. The paper reports the study of cobalt adsorption on hydroxyapatite (HAp) nanoceramic. A modified wet chemical precipitation method is used for HAp synthesis. The HAp nano-material is characterized by XRD, FTIR, TG/DTA, AFM, SEM, and EDAX. Experiments are performed in batches to observe the effect of cobalt adsorption on HAp matrix. The adsorption of cobalt on HAp is examined at room temperature. The isotherm and kinetic studies showed that the Freundlich isotherm and pseudo-second order model are the best choices to describe the nature of adsorption.

Słowa kluczowe

EN

hydroxyapatite; cobalt; adsorption; XRD; SEM

PL

hydroksyapatyt; kobalt; adsorpcja; XRD; SEM

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2017
• Tom: Vol. 65, nr 2
• Strony: 131--137
• Opis fizyczny: Bibliogr. 22 poz., rys., wykr., tab.

Twórcy

autor

Narwade V. N.

• School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, 431-606 Maharashtra, India
• University of Maribor, Institute for Engineering Materials and Design, 17 Smetanova St., SI-2000 Maribor, Slovenia

autor

Khairnar R. S.

• School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, 431-606 Maharashtra, India

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).