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Air purification by catalytic oxidation in a reactor with periodic flow reversal
Author(s) -
Van De Beld Bert,
Westerterp K. Roel
Publication year - 1994
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.270170402
Subject(s) - adiabatic process , countercurrent exchange , packed bed , thermodynamics , steady state (chemistry) , homogeneous , flow (mathematics) , mechanics , plateau (mathematics) , chemistry , continuous reactor , inlet , catalysis , nuclear engineering , materials science , physics , chromatography , mathematics , engineering , mechanical engineering , mathematical analysis , biochemistry
The behaviour of an adiabatic packed bed reactor with periodic flow reversal has been studied by means of model calculations. A heterogeneous model as well as a pseudo‐homogeneous model have been developed. It is shown that a high degree of conversion can be obtained in an autothermal process even with very low adiabatic temperature rises of some 10 to 20 K. The reactor is insensitive to fluctuations in inlet concentrations and in through‐put. Short‐cut methods proposed in the literature for calculating the plateau temperature in the pseudo‐steady state are studied. The so called countercurrent‐flow reactor approach showed reasonable agreement with the plateau temperature obtained by dynamic calculations with the full reactor model.