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Anne- Cécile Roger
Institut de Chimie et Procédés pour l’Énergie, l’Environnement et la Santé, CNRS, Université de Strasbourg
Chemical Engineering, Chemistry & Bioengineering Chemistry

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CO2 Reforming of Methane over LaNiO3 Perovskite Supported Catalysts: Influence of Silica Support Djamila Sellam; Kahina Ikkour; Sadia Dekkar; Hassiba Messaoudi; Taous Belaid; Anne- Cécile Roger
Bulletin of Chemical Reaction Engineering & Catalysis 2019: BCREC Volume 14 Issue 3 Year 2019 (December 2019)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (11.761 KB) | DOI: 10.9767/bcrec.14.3.3472.568-578

Abstract

The study presents the dry reforming of methane using natural Kaolin silica as catalyst support. The silica-supported LaNiO3 perovskite catalysts (20LaNiO3/SiO2 and 40LaNiO3/SiO2) and bulk LaNiO3 catalyst were synthesized by auto-combustion method. The resulting catalysts were characterized by X-ray diffraction (XRD), N2 adsorption - desorption isotherm measurement,  scanning electron microscopy (SEM) and temperature-programmed reduction (TPR). After reduction at 700 °C, they were used as catalysts for the reaction of dry reforming of methane into synthesis gas at atmospheric pressure at 800 °C. The reduced 40LaNiO3/SiO2 exhibited high catalytic activity. This result was attributed to the small Ni metallic particles obtained from the reduced perovskite highly dispersed on the support and the good reducibility. The increase of reduction temperature at 800 °C resulted in a further enhancement of the catalytic performance of 40LaNiO3/SiO2 catalyst. Copyright © 2019 BCREC Group. All rights reserved 
Co-Authors Djamila Sellam Hassiba Messaoudi Kahina Ikkour Sadia Dekkar Taous Belaid