Study on the physicochemical properties of Fe/CeO2 catalysts as an effect from different iron loading

Mohamad, M.F. and Ramli, A. and Yusup, S. (2012) Study on the physicochemical properties of Fe/CeO2 catalysts as an effect from different iron loading. In: UNSPECIFIED.

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Abstract

The use of catalyst in the biomass gasification is effective to elevate hydrogen content and to reduce tar formation. This study presents the development of 2.5-10 wt Fe/CeO2 catalysts for biomass gasification to hydrogen. The catalysts were prepared using incipient wetness impregnation method. Different characterization methods such as Powder XRay Diffraction (XRD), Temperature Programmed Reduction (TPR), N2 adsorption-desorption isotherm and Field Emission Scanning Electron Microscopy (FESEM) were used to characterize the prepared catalysts. BET analysis clearly indicates that Fe/CeO2 catalysts are mainly nonporous and the surface area of the catalysts increases with increasing of Fe loading. Characterization by XRD exhibited the formation of a solid solution of iron-cerium oxide, with the presence of cubic CeO2 structure which is in agreement with FESEM images. The TPR results show the emergence of two reduction peaks, corresponding to the surface and bulk reduction of CeO2 to Ce 2O3. No distinct peak related to the reduction of Fe 2O3 to Fe3O4, instead a shoulder evolved, related to the reduction of Fe3O4 to Fe. © 2012 American Institute of Physics.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 2; Conference of International Conference on Nanotechnology - Research and Commercialization 2011, ICONT 2011 ; Conference Date: 6 June 2011 Through 9 June 2011
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:50
Last Modified: 09 Nov 2023 15:50
URI: https://khub.utp.edu.my/scholars/id/eprint/2498

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