Application of cerium oxide electrospun fibers in the catalytic combustion of methane

详细信息    查看全文

• 作者：Geordana Cornejo  ; Pontelli ; Raquel Pereira  ; Reolon ; Annelise Kopp  ; Alves  ; ;   ; ^{annelise.alves@ufrgs.br} ; Felipe Amorim  ; Berutti ; Carlos Pé ; rez  ; Bergmann
• 关键词：Cerium oxide ; Electrospinning ; Catalytic combustion
• 刊名：Applied Catalysis A: General
• 出版年：2011
• 出版时间：3 October 2011
• 年：2011
• 卷：405
• 期：1-2
• 页码：79-83
• 全文大小：758 K

文摘

CeO₂ and Cu/CeO₂ catalysts were prepared using electrospinning technique for methane oxidation in air. Cerium nitrate or cerium acetylacetonate and different amounts of copper acetate were used as precursors to obtain nanostructured fibers after heat treatment. The influence of the amount of copper in ceria fibers and its influence on the catalysts characteristics and catalytic activity were determined. The catalysts were characterized by means of SEM, SSA and TPR techniques for the methane oxidation using synthetic air, following the consumption of C_xH_y and O₂ and the production of NO/NO_x, CO₂, CO and residual C_xH_y.