Preparation and Characterization of Co-Mo/γ-Al_2O_3, Ni-Mo/γ-Al_2O_3 and (Co/Ni)-Mo/γ-Al_2O_3 Metal Oxides by Sol-Gel Process

• Authors: H. Figen , S. Baykara
• Languages of publication: EN

Abstracts

EN

In this study, Co-Mo/γ-Al_2O_3, Ni-Mo/γ-Al_2O_3 and (Co/Ni)-Mo/γ-Al_2O_3 metal oxides have been prepared by the sol-gel process using citric acid and calcined at 800C for 5 h. Phases of synthesized materials were characterized with X-ray diffraction. Morphological analysis and elemental composition of oxides were determined by scanning electron microscope and energy dispersion spectroscopy. Surface analyses of the metal oxides have been studied using the Brunner-Emmett-Teller surface analyzer. Effects of substitution of cobalt and nickel together on the physical properties of the synthesized oxides were also investigated.

Keywords

EN

81.20.Fw; 81.70.-q

Discipline

• 81.20.Fw: Sol-gel processing, precipitation(for reactions in sol-gels, see 82.33.Ln; for sol-gels as disperse system, see 82.70.Gg)
• 81.70.-q: Methods of materials testing and analysis(see also 82.80.-d Chemical analysis and related physical methods of analysis)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 1
• Pages: 224-226

Dates

published

2012-01

Contributors

author

H. Figen

• Chemical Engineering Dept., Yildiz Technical University, Topkapi, Istanbul 34210, Turkey

author

S. Baykara

• Chemical Engineering Dept., Yildiz Technical University, Topkapi, Istanbul 34210, Turkey

References

• 1. T.N. Veziroglu, Int. J. Hydrogen Energ. 25, 1143 (2000)
• 2. L.F. Brown, Int. J. Hydrogen Energ. 26, 381 (2001)
• 3. G. Kolb, Fuel Processing, Wiley-VCH, Weinheim 2008
• 4. P. Ferreira-Aparicio, M.J. Benito, J.L. Sanz, Catal. Rev. 47, 491 (2005)
• 5. M.V. Twigg, D.E. Webster, in: Structured Catalysts and Reactors, Ed. A. Cybulski, J.A. Moulijn, Taylor & Francis, Boca Raton 2006, p. 71
• 6. X. Xu, J.A. Moulijn, in Ref. [5], p. 751
• 7. T. Borowiecki, A. Golebiowski, B. Stasinska, Appl. Catal. A-Gen. 153, 141 (1997)
• 8. T. Borowiecki, W. Gac, A. Denis, Appl. Catal. A-Gen. 270, 27 (2004)
• 9. T. Borowiecki, A. Denis, W. Gac, R. Dziembaj, Z. Piwowarska, M. Drozdek, Appl. Catal. A-Gen. 274, 259 (2004)

Identifiers

DOI

10.12693/APhysPolA.121.224