Gas Hold-Up in Stirred Tank Reactors in the Presence of Inorganic Electrolytes

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Yawalkar, Archis A. and Heesink, Albertus B.M. and Versteeg, Geert F. and Pangarkar, Vishwas G. (2002) Gas Hold-Up in Stirred Tank Reactors in the Presence of Inorganic Electrolytes. Canadian Journal of Chemical Engineering, 80 (5). pp. 791-799. ISSN 0008-4034

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Abstract:Gas hold-up (εG) in air-aqueous electrolyte solutions in stirred tank reactors (STR) is correlated using a relative gas dispersion parameter, N/Ncd and a surface tension factor (STF), (c/z)(dδ/dc)2. For electrolyte concentration below transition concentration (ct) a single correlation in the form of εG = f(N/Ncd, vvm, STF) shows good agreement with gas hold-up data over a wide range of system and operating conditions. Above ct no effect of STF on gas hold-up is observed and the correlation obtained is of the form εG = f(N/Ncd, vvm). Data available in the literature on large STR show good fit with the proposed correlation.
Item Type:Article
Copyright:© 2002 Wiley InterScience
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Link to this item:http://purl.utwente.nl/publications/71829
Official URL:http://dx.doi.org/10.1002/cjce.5450800502
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Metis ID: 217431