Mass transfer study of newtonian fluids with different viscosity under low-frequency, high-power ultrasound irradiation

Asgharzadehahmadi, S, Sajjadi, B, Bin Abdul Raman, A and Parthasarathy, R 2017, 'Mass transfer study of newtonian fluids with different viscosity under low-frequency, high-power ultrasound irradiation', Chemical Engineering Communications, vol. 204, no. 8, pp. 864-872.


Document type: Journal Article
Collection: Journal Articles

Title Mass transfer study of newtonian fluids with different viscosity under low-frequency, high-power ultrasound irradiation
Author(s) Asgharzadehahmadi, S
Sajjadi, B
Bin Abdul Raman, A
Parthasarathy, R
Year 2017
Journal name Chemical Engineering Communications
Volume number 204
Issue number 8
Start page 864
End page 872
Total pages 9
Publisher Taylor and Francis
Abstract In this article, the effects of liquid properties and operating conditions on gas-liquid mass transfer under ultrasound irradiation and mechanical stirring were studied and compared. Response surface methodology (RSM) was utilized for the design of experiments and evaluation of the influence of operating parameters. The maximum value of volumetric mass transfer coefficient (k L a) was found to be 0.0714 s -1 when the ultrasonic horn was located horizontally just above the gas sparger in the tank. Ultrasonic power and the position of ultrasonic horn were found to be the most significant parameters that influence k L a. Also, three empirical correlations were developed to estimate k L a considering liquid viscosity as one of the main parameters, and their estimations were compared to those estimated using existing correlations in the literature.
Subject Chemical Engineering Design
Keyword(s) Empirical correlation
Gas-liquid
Mass transfer coefficient
RSM
Sonochemical reactor
Ultrasonic power
DOI - identifier 10.1080/00986445.2017.1320282
Copyright notice © Taylor and Francis Group
ISSN 0098-6445
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