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has been cited by the following article:

• TITLE: Use of Perovskite-Type Lanthanum Nickelate Synthesized by the Polymeric Precursor Method in the Steam Reforming Reaction of Methane

  AUTHORS: Daniele M. H. Martinelli, Dulce M. A. Melo, Anne M. Garrido Pedrosa, Antonio E. Martinelli, Marcus A. de F. Melo, Mary K. S. Batista, Roberto C. Bitencourt

  KEYWORDS: Lanthanum Nickelate; Perovskite; Polymeric Precursor Method; Steam Reforming Reaction

  JOURNAL NAME: Materials Sciences and Applications, Vol.3 No.6, June 19, 2012

  ABSTRACT: In the current work, LaNiO3 perovskite was synthesized using the polymeric precursor method. The materials were thermally treated at 300°C for 2 hours, subsequently supported on alumina or zirconia and finally calcined at 800°C for 4 hours. The resulting samples were characterized by X-ray diffraction, thermogravimetry, BET surface area and thermo-programmed reduction. Steam reforming reactions were carried out at 750°C and 6 bar during 4 hours using a pilot reactor under a H2O:CH4 ratio of 2.5. The mass of catalysts was about 5.7 g. X-ray diffraction patterns confirmed the formation of the perovskite structure in all samples prepared. The results also showed that lanthanum nickelate was more efficient when supported on alumina than zirconia. Finally, it was observed that the methane conversion was approximately 94% and the selectivity to hydrogen was about 70%. In all cases low selectivity to CO and CO2 was verified.