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Modeling of the Performance Loss due to Catalyst Deactivation in Fixed- and Fluidized-Bed Reactors. [PDF]
Ind Eng Chem ResPappagallo MA +3 more
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Selective Product Enhancement in an Auger Reactor: Pyrolysis of Pine Bark through In Situ Recirculation of Pyrolysis Vapors. [PDF]
Energy FuelsKilic YT +3 more
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Pulsation in a fixed‐bed reactor
AIChE Journal, 1963AbstractRates of reaction were measured for the liquid phase hydrogenation of α‐methyl styrene in a pulsed, fixed bed reactor. Data at 80 psia and 55°C., using 0.5 wt. % palladium on ⅛″ Al2O3 spheres as a catalyst, indicated that the mass transfer of dissolved hydrogen to the catalyst surface controlled the rate of conversion of styrene to cumene ...
E. G. Biskis, J. M. Smith
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Kinetics of thermophilic anaerobes in fixed-bed reactors
Chemosphere, 2001The main objective of this study is to estimate growth kinetic constants and the concentration of "active" attached biomass in two anaerobic thermophilic reactors which contain different initial sizes of immobilized anaerobic mixed cultures and decompose distillery wastewater.
M, Perez, L I, Romero, D, Sales
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STABILITY OF COUNTERCURRENTLY COOLED FIXED BED REACTORS
IFAC Proceedings Volumes, 1977Abstract The extension of the Lyapunov direct method to distributed parameter systems is used to obtain sufficient conditions for the local stability of steady states in countercurrently cooled fixed bed catalytic reactors. The conditions are in form of inequalities which require only steady state information. The stability criteria are identified in
C. McGreavy, M.A. Soliman
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Catalysis Today, 1999
Abstract The present paper presents the phenomena occurring in fixed bed reactors spanning, from the small scale of single pellet, where reaction and diffusion are competing, to the macroscale of whole apparatus, where dispersion and heat transfer play an important role; the most important models used in describing the behaviour of fixed bed reactors
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Abstract The present paper presents the phenomena occurring in fixed bed reactors spanning, from the small scale of single pellet, where reaction and diffusion are competing, to the macroscale of whole apparatus, where dispersion and heat transfer play an important role; the most important models used in describing the behaviour of fixed bed reactors
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Asymptotic Observers for Fixed Bed Reactors
1993 American Control Conference, 1993This paper deals with the on-line estimation of reactant and product concentrations in fixed bed reactors. It is shown how to extend to tubular reactors the asymptotic observer developed for stirred tank reactors. The proposed observer can be viewed as an alternative to classical observers (extended Kalman filter and extended Luenberger observer).
D. Dochain, M. Perrier
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Comparison between a fixed-bed reactor and a chromatographic reactor
Chemical Engineering Science, 1999An enhanced conversion for equilibrium limited reactions is often considered to be an essential advantage, when a chemical reaction and an adsorption separation process are performed together in a chromatographic reactor. In this work the inherent discontinuous character of chromatographic reactor operation and the necessity of an additional desorbent ...
Falk, T., Seidel-Morgenstern, A.
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