Volume 19, Number 3 (International Journal of Engineering 2008)                   IJIEPR 2008, 19(3): 7-16 | Back to browse issues page


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Parvari M, Moradi M. DIFFUSION AND REACTION WITHIN A SHAPED NICKEL PEROVSKITE CATALYST . IJIEPR. 2008; 19 (3) :7-16
URL: http://ijiepr.iust.ac.ir/article-1-9-en.html

, parvari@iust.ac.ir
Abstract:   (4575 Views)

  Abstract : In this study, we prepared a LaNi0.3Al0.7O3 perovskite catalyst using a sol-gel related method (with prop ionic acid as a solvent) for use in the methane dry reforming reaction to produce synthesis gas. We defined the catalyst structure on the basis of X-ray diffraction analysis and measurements of the specific surface area and particle size distribution. The mixed oxide structure was shaped into a cylindrical pellet before being measured for its mechanical strength. The shaped perovskite catalyst was then tested in the methane dry reforming reaction to produce synthesis gas at atmospheric pressure. The results are compared with the predictions of a mathematical model that is used to estimate the concentration profile within the pellet. The outlet concentration of the reactants and conversion products calculated by the mathematical model has been consistent with the results obtained by experiments conducted in a fixed bed reactor.

Full-Text [PDF 444 kb]   (1839 Downloads)    
Type of Study: Research | Subject: Material Managment
Received: 2009/04/20

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