Experimental and Modelling Studies of Mass Transfer in Centrifugal Contactors

Steve Drewery, Erik Heeres, Steve Percival, Chris Rhodes, Mitch St. George, Erwin Wilbers, David A. Woodhead

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Experimental trials have been undertaken to determine interfacial area for mass transfer in 5cm and 25cm diameter annular centrifugal contactors. All trials used 30% TBP in Exxsol D80 diluent, with extraction of HNO3 being studied at varying flowrates and volumetric flow ratios. Droplet size was determined using a laser reflectance probe. Results from the 5 cm rig showed two different regions of operation and the value of the dimensionless constant (K) in the Kolmogoroff expression was estimated to be 0.28 for O/A ratios below 2.5 and 0.30 above 2.5. From the 25cm rig trials K was estimated to be 0.26.
Originele taal-2English
Pagina's (van-tot)341-348
Aantal pagina's8
TijdschriftProcedia Chemistry
Volume7
Nummer van het tijdschrift11
DOI's
StatusPublished - 2012

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