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Fluidized‐bed reactor model with generalized particle balances. Part I: Formulation and solution
Author(s) -
Overturf B. W.,
Reklaitis G. V.
Publication year - 1983
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690290516
Subject(s) - fluidized bed , particle (ecology) , mechanics , fluidization , thermodynamics , process engineering , materials science , waste management , chemistry , physics , engineering , geology , oceanography
The changes to the solid phase which occur within fluidized‐bed gas‐solid reactors may have a significant impact on the performance of this class of reactors, particularly in coal conversion applications. In this paper a particle balance model is developed which accommodates particle distributions dependent on both size and density as well as populations consisting of multiple solids. The fast double collocation method used for solving the associated PDE permits this calculation to be performed within the framework of a Davidson‐Harrison bubbling‐bed model. A modification of the iteration procedure for the emulsion‐phase state variables of the D‐H model is reported which allows the composite reactor model to be executed reliably and efficiently. A general purpose program has been implemented, whose application is presented in a companion paper.