Interfacial areas and gas hold-ups at elevated pressures in a mechanically agitated gas-liquid reactor

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Oyevaar, Martin and Zijl, Ad and Westerterp, Roel (1988) Interfacial areas and gas hold-ups at elevated pressures in a mechanically agitated gas-liquid reactor. Chemical Engineering & Technology, 11 (1). pp. 1-10. ISSN 0930-7516

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Abstract:Interfacial areas and gas hold-ups were determined at pressures of up to 1.7 MPa in a glass vessel, 88 mm in diameter and of standard geometry. Superficial gas velocities between 0.25 and 2.0 cm/s were used and the stirring speed varied between 4 and 30 rps. The interfacial areas were determined by the chemical method, using the model reaction between CO2 and aqueous diethanolamine (DEA). Hold-ups were determined by observation of differences in height. In contrast to literature indications, the gas hold-up was found to be independent of reactor pressure. This is also true for the interfacial area.
Item Type:Article
Copyright:© 1988 Wiley InterScience
Link to this item:http://purl.utwente.nl/publications/70855
Official URL:http://dx.doi.org/10.1002/ceat.270110102
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