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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 58, Number 2
JKCSEZ 58(2)
April 20, 2014

Title	Formation Fe₂O₃ Nanowalls through Solvent-Assisted Hydrothermal Process and Their Application for Titan Yellow GR Dye Degradation
Author	Khalid Abdelazez Mohamed Ahmed*
Keywords	Iron oxide, Synthesis, Nanowalls, Catalyst, Titan yellow GR
Abstract	Hematite iron oxide (α-Fe2O3) nanowalls were fabricated on aluminum substrate by a facile solvent-assisted hydrothermal oxidation process. The XRD and EDS patterns indicate that the sample has a rhombohedral phase of hematite Fe2O3. FE-SEM, TEM, HR-TEM, SA-ED were employed to characterize the resulting materials. N2 adsorption-desorption isotherms was used to study a BET surface area. Their capability of catalytic degradation of titan yellow GR azo dye with air oxygen in aqueous solution over Fe2O3 catalysts was studied. The result indicates that the as-prepared product has a high catalytic activity, because it has a larger surface area. Langmuir and Freundlich isotherms of adsorption dye on the catalysts surface were investigated and the decomposition of titan yellow GR follows pseudo-first order kinetic.
Page	205 - 209
Full Text	PDF

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