Bifurcation and Instability for Bimolecular Catalytic Reactions on Non-Porous Catalyst Pellets

1992 ◽  
pp. 35-43
Author(s):  
M.M. Abbass ◽  
S.S.E.H. Elnashaie
Keyword(s):  
Catalytic Reactions ◽  
Porous Catalyst ◽  
Catalyst Pellets

Diffusion in Flow and Porous Catalyst Part inside Microreactors for Heterogeneous Catalytic Reactions

2011 ◽  
Vol 37 (5) ◽  
pp. 420-425
Author(s):  
Sho Kataoka ◽  
Yasutaka Takeuchi ◽  
Atsuhiro Harada ◽  
Mitsuhiko Yamada ◽  
Takao Ohmori ◽  
...  
Keyword(s):  
Catalytic Reactions ◽  
Porous Catalyst ◽  
Heterogeneous Catalytic

Diffusion in Bidisperse Porous Catalyst Pellets

1974 ◽  
Vol 13 (2) ◽  
pp. 115-120 ◽  
Author(s):  
Noboru Hashimoto ◽  
J. M. Smith
Keyword(s):  
Porous Catalyst ◽  
Catalyst Pellets

On the Consistent Modeling of Porous Catalyst Pellets: Mass and Molar Formulations

2012 ◽  
Vol 51 (24) ◽  
pp. 8222-8236 ◽  
Author(s):  
Jannike Solsvik ◽  
Stian Tangen ◽  
Hugo A. Jakobsen
Keyword(s):  
Porous Catalyst ◽  
Catalyst Pellets

scholarly journals Adsorption with chemical reaction in porous catalyst pellets under alternate concentration fields. Uniform temperature case

2016 ◽  
Vol 37 (4) ◽  
pp. 473-484
Author(s):  
Katarzyna Bizon ◽  
Bolesław Tabiś
Keyword(s):  
Chemical Reaction ◽  
Reaction Diffusion ◽  
Freundlich Isotherm ◽  
Entire Volume ◽  
Porous Catalyst ◽  
Linear Isotherm ◽  
Catalyst Pellet ◽  
Catalyst Pellets ◽  
The Impact ◽  
Sorption Phenomenon

Abstract The work concerns the dynamic behaviour of a porous, isothermal catalyst pellet in which a simultaneous chemical reaction, diffusion and adsorption take place. The impact of the reactant adsorption onto the pellet dynamics was evaluated. A linear isotherm and a non-linear Freundlich isotherm were considered. Responses of the pellet to sinusoidal variations of the reactant concentration in a bulk gas were examined. It was demonstrated that the dynamics of the pellet is significantly affected both by accounting for the adsorption and by the frequency of the bulk concentration variations. The sorption phenomenon causes damping of the concentration oscillations inside the pellet and damping of its effectiveness factor oscillations. Depending on the frequency of the concentration oscillations in the bulk, the remarkable oscillations can involve an entire volume of the pellet or its portion in the vicinity of the external surface.

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