Preparation of NiFe₂O₄ and ZnFe₂O₄ Samples by Combustion Reaction and Evaluation of Performance in Reaction Water Gas Shift Reaction - WGSR

Abstract:

This paper aims to synthesize and characterize nanosized nickel and zinc ferrites (NiFe₂O₄ and ZnFe₂O₄) samples by a combustion reaction method, using glycine as fuel. The performance in HT-WGRS reaction the samples was investigated. The results showed that the combustion reaction was effective in the production of major phases of the spinel ferrite (crystallite sizes of 44 and 27 nm) and presence of the secondary phases, such as Ni and ZnO, with surface area 3 and 115 m²/g for NiFe₂O₄ and ZnFe₂O₄, respectively. HT-WGSR activity was achieved (80%) to NiFe₂O₄ ferrite in the temperature range of 300 - 500°C.

• Periodical: Materials Science Forum (Volumes 727-728)
• Pages: 1290-1295
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.727-728.1290
• Online since: August 2012
• Authors: P.T.A. Santos, Ana Cristina Figueiredo de Melo Costa, Heloysa Martins Carvalho Andrade
• Keywords: Combustion Reaction Method, Nickel Ferrite, Water Gas Shift Reaction, Zinc Ferrite

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