Effect of ultrasound on liquid phase adsorption of azeotropic and non-azeotropic mixture

Awang Bono, and Rosalam Sarbatly, and Krishnaiah, Duduku and San, Phong Ming and Yan, Farm Yan (2008) Effect of ultrasound on liquid phase adsorption of azeotropic and non-azeotropic mixture. In: 4th Asia-Pacific Congress on Catalysis, 06-08th December 2006 , Nanyang Technol Univ, Singapore, Singapore.

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Abstract

Relative adsorption experiments of azeotropic and non-azeotropic mixture were separately conducted at constant temperature with and without the presence of ultrasound. The ultrasound wave was applied at a frequency of 21 kHz with 25% amplitude at atmospheric pressure. The adsorption of azeotropic and non-azeotropic mixture was analysed using monolayer adsorption theory and at lower liquid equilibrium concentration it followed a Langmuir type of equation. The adsorptive capacity of azeotropic and non-azeotropic mixtures on activated carbon was found to decrease but the selectivity was increased. The result also showed that the azeotropic point of relative adsorption was noticeably moved due to the ultrasound effect. (C) 2007 Published by Elsevier B.V.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: Adsorption isotherm, Relative adsorption, Monolayer adsorption, Pseudo-ideal system
Subjects: ?? QD450-801 ??
Divisions: SCHOOL > School of Engineering and Information Technology
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 09 Sep 2011 02:44
Last Modified: 30 Dec 2014 06:40
URI: http://eprints.ums.edu.my/id/eprint/1273

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