Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal
TiO2-Fe2O3 binary oxides containing different percentage of Fe2O3 were synthesized using impregnation method. The Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), and thermogravimetric with dif...
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doaj-fb1a74c4c573426f9a73a7c8789e0ab22020-11-24T21:48:26ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292018-01-01201810.1155/2018/96510399651039Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead RemovalBuzuayehu Abebe0H. C. Ananda Murthy1Department of Applied Chemistry, School of Applied Natural Sciences, Adama Science and Technology University, P.O. Box 1888, Adama, EthiopiaDepartment of Applied Chemistry, School of Applied Natural Sciences, Adama Science and Technology University, P.O. Box 1888, Adama, EthiopiaTiO2-Fe2O3 binary oxides containing different percentage of Fe2O3 were synthesized using impregnation method. The Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), and thermogravimetric with differential thermal analyzer (TG-DTA) analytical techniques were used for understanding of the physicochemical properties and well impregnation of Fe2O3 in TiO2 lattice. During adsorption study, pH of the solution, adsorbent dosage, time of contact, agitation speed, and concentration of adsorbate were optimized. From Langmuir, Freundlich, FG, D-RK, Temkin, and FH adsorption isotherm models, relatively, Langmuir isotherm model fits well. For adsorption-reaction kinetic model, pseudo-first order (PFO), pseudo-second order (PSO), and Elovich were tested and intraparticle diffusion (IPD) for adsorption-diffusion kinetic models. Out of those, the PSO fits well; this indicates that the mechanism of adsorption is under control of adsorption-reaction. The mean adsorption energy, spontaneity, and reproducibility of the adsorbent were also conducted, and all of those studies support the domination of physical adsorption mechanism.http://dx.doi.org/10.1155/2018/9651039 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Buzuayehu Abebe H. C. Ananda Murthy |
spellingShingle |
Buzuayehu Abebe H. C. Ananda Murthy Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal Journal of Nanomaterials |
author_facet |
Buzuayehu Abebe H. C. Ananda Murthy |
author_sort |
Buzuayehu Abebe |
title |
Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal |
title_short |
Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal |
title_full |
Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal |
title_fullStr |
Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal |
title_full_unstemmed |
Synthesis and Characterization of Ti-Fe Oxide Nanomaterials for Lead Removal |
title_sort |
synthesis and characterization of ti-fe oxide nanomaterials for lead removal |
publisher |
Hindawi Limited |
series |
Journal of Nanomaterials |
issn |
1687-4110 1687-4129 |
publishDate |
2018-01-01 |
description |
TiO2-Fe2O3 binary oxides containing different percentage of Fe2O3 were synthesized using impregnation method. The Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), and thermogravimetric with differential thermal analyzer (TG-DTA) analytical techniques were used for understanding of the physicochemical properties and well impregnation of Fe2O3 in TiO2 lattice. During adsorption study, pH of the solution, adsorbent dosage, time of contact, agitation speed, and concentration of adsorbate were optimized. From Langmuir, Freundlich, FG, D-RK, Temkin, and FH adsorption isotherm models, relatively, Langmuir isotherm model fits well. For adsorption-reaction kinetic model, pseudo-first order (PFO), pseudo-second order (PSO), and Elovich were tested and intraparticle diffusion (IPD) for adsorption-diffusion kinetic models. Out of those, the PSO fits well; this indicates that the mechanism of adsorption is under control of adsorption-reaction. The mean adsorption energy, spontaneity, and reproducibility of the adsorbent were also conducted, and all of those studies support the domination of physical adsorption mechanism. |
url |
http://dx.doi.org/10.1155/2018/9651039 |
work_keys_str_mv |
AT buzuayehuabebe synthesisandcharacterizationoftifeoxidenanomaterialsforleadremoval AT hcanandamurthy synthesisandcharacterizationoftifeoxidenanomaterialsforleadremoval |
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1725892142633582592 |