Synthesis and characterization of graphene oxide based inverse spinel nickel ferrites nanocomposites for the removal of As(V) (Graphene oxide based nanocomposites for the adsorption removal of As(V))

JAE-KYU, YANG and JANARDHAN, REDDY KODURU and LAKSHMI, PRASANNA LINGMADINNE and YOON-YOUNG, CHANG and YU-LIM, CHOI (2015) Synthesis and characterization of graphene oxide based inverse spinel nickel ferrites nanocomposites for the removal of As(V) (Graphene oxide based nanocomposites for the adsorption removal of As(V)). In: Third International Conference on Advances in Bio-Informatics and Environmental Engineering - ICABEE 2015, 10-11 December, 2015, Rome, Italy.

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Abstract

In order to develop water treatment performance, graphene oxide based inverse spinel nickel ferrites (GONF) and reduced graphene oxide based inverse spinel nickel ferrites (rGONF) nanocomposites were prepared using graphene oxide (GO) and inverse spinel nickel ferrite (NiFe2O4) by thermal precipitation method. The interface interactions of GO and NiFe2O4 were studied. The X-ray diffraction spectrometer (XRD), and Fourier-transform infrared spectroscopy (FT-IR) and BET studies showed that the formation GONF and rGONF. Scanning electron microscopy (SEM) studies observed porous surface morphology of GONF and rGONF. The magnetic studies revealed that the ferromagnetic property of GONF and rGONF, but the later one shows less Ferro magnetic intensity than GONF. It was well performed for the adsorption removal As(V) and subsequently easy magnetic separation from water. The sorption studies revealed that the sorption was rate-limiting pseudo -second-order kinetics with mono layer chimisorptions on homogeneous surface of GONF and rGONF. The sorption capacity of GONF enhanced by the reducing of GO. The sorption capacity of rGONF (106.38 mg/g) was higher than GONF (81.30) for As(V). It was decreased with increasing temperature from 293 to 323 ± 2 K. The influence of sorption with solution pH and spectral characterisation of loaded GONF-As(V) or rGONF-As(V) were further confirmed that the sorption occurred through an inner sphere surface complexation by chemical interactions

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: graphene oxide, graphene oxide based nanocomposites, nickelferrite, arsenic(V)
Depositing User: Mr. John Steve
Date Deposited: 03 Apr 2019 11:57
Last Modified: 03 Apr 2019 11:57
URI: http://publications.theired.org/id/eprint/1131

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