Publisher DOI: 10.1016/j.ces.2015.12.004
Title: Effect of the catalyst pore structure on fixed-bed reactor performance of partial oxidation of n-butane: A simulation study
Language: English
Authors: Dong, Ying  
Keil, Frerich 
Korup, Oliver 
Rosowski, Frank 
Horn, Raimund 
Keywords: Fixed-bed reactor;Heterogeneous model;Model of Wakao and Smith;N-Butane oxidation;Pore structure;VPP catalyst
Issue Date: 13-Mar-2016
Source: Chemical Engineering Science (142): 299-309 (2016-03-13)
Journal: Chemical engineering science 
Abstract (english): 
The effect of catalyst pore structure on n-butane oxidation to maleic anhydride in a fixed-bed reactor was investigated by numerical simulations. The micro- and macro- pore model of Wakao and Smith was applied to model the diffusion-reaction inside the catalyst pellet. The studied pore structure parameters were macro-pore porosity, mean macro-pore diameter and mean micro- pore diameter. A fixed-bed reactor was simulated with a detailed two-dimensional heterogeneous model under typical industrial conditions. Simulation results have demonstrated that the reactor performance is sensitive to the chosen pore structure parameters especially macro-pore porosity and mean micro-pore diameter. A bi-modal catalyst pellet with bigger macro-pores and smaller micro-pores is favored to achieve higher yields of maleic anhydride. This work highlights the potential of improving this process by pore structure optimization.
ISSN: 0009-2509
Institute: Chemische Reaktionstechnik V-2 
Document Type: Article
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