* Corresponding Author
Effect of Surfactant on Single Drop Mass Transfer in Liquid-Liquid Extraction
https://doi.org/10.22146/ajche.50122 Panut Mulyono(1*), Setia Muliati(2)
(1) Department of Chemical Engineering, Faculty of Engineering, Gadjah Mada University Jl. Grafika No. 2, Kampus UGM, Yogyakarta 55281, INDONESIA
(2) Department of Chemical Engineering, Faculty of Engineering, Gadjah Mada University Jl. Grafika No. 2, Kampus UGM, Yogyakarta 55281, INDONESIA
(*) Corresponding Author
Abstract
Liquid-liquid mass transfer coefficients for single freely rising drops in the presence of surfactant in an extraction column have been investigated using the system of kerosene-acetic acid-water. The surfactant used in this study was alkyl benzene sulfonate (ABS). The experiments were carried out by bubbling kerosene-acetic acid solution as a series of single drops from the bottom of a column containing water-ABS solution. The column used in this experiment was made from glass of 36 mm inside diameter and constructed of 60, 120, and 180 cm height. The effects of surfactant concentration, column height, and drop diameter on the overall mass transfer coefficient have been studied. The data can all be correlated by Shd = 2.08 x10−5 Red 4.01 We −1.97 (dd / H ) 0.68 with an average deviation of 17.72%. This equation is valid for the ranges of Red from 186.68 to 402.19, We from 0.80 to 3.33, and dd/H from 0.0028 to 0.0105.
Keywords
Liquid-liquid extraction, mass transfer coefficient, single drop, and surfactant.
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DOI: https://doi.org/10.22146/ajche.50122
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