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Hydrodynamics of trickle-bed reactors: experiments and CFD modeling

TitleHydrodynamics of trickle-bed reactors: experiments and CFD modeling
Publication TypeJournal Article
Year of Publication2005
AuthorsGunjal, PR, Kashid, MN, Ranade, VV, Chaudhari, RV
JournalIndustrial & Engineering Chemistry Research
Volume44
Issue16
Pagination6278-6294
Date PublishedAUG
Type of ArticleArticle
ISSN0888-5885
Abstract

{Hydrodynamics of trickle-bed reactors involve complex interactions of gas and liquid phases with packed solids. Such complex interactions manifest in different flow regimes occurring in trickle-bed reactors. Knowledge of prevailing flow regime, pressure drop, and liquid holdup is essential for design and performance evaluation of the reactor. Detailed knowledge of fluid dynamics is essential for ``a priory'' predictions as well as for interpretation of available data. In this study, we have used wall pressure fluctuation measurements to identify prevailing flow regime in trickle beds. Experiments were carried out on two scales of columns (of diameter 10 cm and 20 cm) with two sets of particles (3 min and 6 mm diameter spherical particles). Effects of prewetted and unwetted bed conditions on pressure drop and liquid holdup were reported for a range of operating conditions (V-G = 0.22-0.44 kg/m(2)s

DOI10.1021/ie0491037
Type of Journal (Indian or Foreign)

Foreign

Impact Factor (IF)

2.567

Divison category: 
Chemical Engineering & Process Development