Please use this identifier to cite or link to this item: https://hdl.handle.net/10321/2626
Title: Effect of sieve tray hole diameter on the efficiency of a vibrating plate extractor
Authors: Sincuba, Nomakhosi Dorothy 
Rathilal, Sudesh 
Carsky, Milan 
Keywords: Vibrating plate extractor;Sieve tray hole diameter;Drop size distribution;Sauter mean diameter;Liquid-liquid extraction
Issue Date: 2017
Publisher: Institution of Chemical Engineers
Source: Sincuba, N. D., Rathilal, S. and Carsky, M. 2017. Effect of sieve tray hole diameter on the efficiency of a vibrating plate extractor. South African Journal of Chemical Engineering. 23: 38-41.
Journal: South African journal of chemical engineering 
Abstract: 
The acetone-toluene-water system was studied in a 4.77 cm ID vibrating plate liquideliquid extraction column (VPE) with a total number of 31 sieve trays. The effect of agitation level (product of frequency and amplitude of vibration) and sieve tray hole diameter on the dispersed phase holdup, drop size distribution and Sauter mean diameter was studied. Normally, the mean drop diameter decreases more rapidly with an increase in the agitation levels and as the sieve tray hole diameter decreases. The dispersed phase holdup in a mixer settler decreased as the agitation level increased until a minimum dispersed phase holdup was reached at the agitation level of 3.75 mm/s. During the dispersion regime, as the agitation level increased the dispersed phase holdup was increased. The drop size and Sauter mean diameter were correlated to the agitation level, whereas, the dispersed phase holdup was correlated to the operating regimes (mixer settler regime and dispersion regime) of the VPE. Sieve trays with a hole diameter of 3.00 mm was the most effective from the ones studied.
URI: http://hdl.handle.net/10321/2626
ISSN: 1026-9185
DOI: https://doi.org/10.1016/j.sajce.2017.01.002
Appears in Collections:Research Publications (Engineering and Built Environment)

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