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Vol. 26 No. 14 (2014): Vol 26 Issue 14

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Characterization of Magnetic Metal Encapsulated in Multi-Walled Carbon Nanotubes Synthesized from Methyl Ester of Pongamia pinnata Oil and Its Application for Removal of Arsenic Ions from Aqueous Solution

https://doi.org/10.14233/ajchem.2014.16053
P. Mahalingam
Department of Chemistry, Arignar Anna Government Arts College, Namakkal-637 002, India
N. Sivakumar
Department of Chemistry, Chikkanna Government Arts College, Tirupur-641 602, India
M. Karthik
CIC Energigune, Energy Cooperative Research Centre, Parque Tecnologico, 01510 Minano (Alava), Spain
S. Karthikeyan
Department of Chemistry, Chikkanna Government Arts College, Tirupur-641 602, India

Corresponding Author(s) : S. Karthikeyan

environkarthi@gmail.com

Asian Journal of Chemistry, Vol. 26 No. 14 (2014): Vol 26 Issue 14

Abstract

Magnetic metals Fe-Co encapsulated in multi-walled carbon nanotubes, were prepared by spray pyrolysis of methyl ester of Pongamia pinnata oil, a renewable carbon precursor, over Fe-Co catalyst supported on silica. Carbon nanostructures with different morphologies were obtained over Fe-Co catalyst supported on silica, with 20 mL/h feed rate of precursor at different temperatures (550, 650 and 750 °C). The products were characterized by scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, thermogravimetry and vibrating sample magnetometer. The Fe-Co encapsulated in multi-walled carbon nanotubes was used as adsorbent for removal of As(V) ions from aqueous solution. Sorption experiments were conducted using batch system. The effect of pH on As(V) ions adsorption on the adsorbent, effect of initial As(V) ions concentration on adsorption by adsorbent and effect of temperature on As(V) ions removal were studied. The kinetics of As(V) ions adsorption on Fe-Co encapsulated in multi-walled carbon nanotubes was discussed.

Keywords

Magnetic metal Pongamia pinnata oil Multi-walled carbon nanotubes Spray pyrolysis method Arsenic removal
Mahalingam, P., Sivakumar, N., Karthik, M., & Karthikeyan, S. (2014). Characterization of Magnetic Metal Encapsulated in Multi-Walled Carbon Nanotubes Synthesized from Methyl Ester of Pongamia pinnata Oil and Its Application for Removal of Arsenic Ions from Aqueous Solution. Asian Journal of Chemistry, 26(14), 4167–4171. https://doi.org/10.14233/ajchem.2014.16053
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