Journal
COMPUTERS & CHEMICAL ENGINEERING
Volume 29, Issue 11-12, Pages 2474-2484Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compchemeng.2005.06.003
Keywords
trickle bed reactor; slurry reactor; multiphase reactor; methanol synthesis; mathematical modeling
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Three- and two-phase reactor models were developed to simulate the performance of trickle bed and slurry reactors for methanol synthesis. The combination of orthogonal collocation and quasi-linearization was used to solve the trickle bed reactor model incorporating resistance to interparticle and intraparticle diffusion and resistance to mass transfer between gas and liquid phases. Model parameters were estimated independently from either published correlations or literature data. The model predicts significant resistance to intraparticle diffusion on the performance of trickle bed reactors. However, comparisons between pilot size trickle bed and slurry reactors illustrate the superior performance of trickle bed reactors over the slurry reactors for methanol synthesis even with diffusion limitations. (c) 2005 Elsevier Ltd. All rights reserved.
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