Kinetics of solute adsorption at solid/aqueous interfaces: searching for the theoretical background of the modified pseudo-first-order kinetic equation

Langmuir : the ACS Journal of Surfaces and Colloids
Władysław Rudzinski, Wojciech Plazinski

Abstract

It is shown that the modified pseudo-first-order (MPFO) kinetic equation proposed recently by Yang and Al-Duri simulates well the behavior of the kinetics governed by the rate of surface reaction and described by our general kinetic equation, based on the statistical rate theory. The linear representation with respect to time, offered by the MPFO equation seems to be a convenient tool for distinguishing between the surface reaction and the diffusional kinetics. Also, a method of distinguishing between the surface reaction and the intraparticle diffusion model based on analyzing the initial kinetic isotherms of sorption is proposed. The applicability of these procedures is demonstrated by the analysis of adsorption kinetics of the reactive yellow dye onto an activated carbon.

Citations

Jun 10, 2010·Physical Chemistry Chemical Physics : PCCP·Federico Roncaroli, Miguel A Blesa
Dec 23, 2008·Journal of Colloid and Interface Science·Ricardo RojasCarla E Giacomelli
Sep 9, 2009·Advances in Colloid and Interface Science·Wojciech PlazinskiAnita Plazinska
Mar 23, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·George Z KyzasNikolaos K Lazaridis
Sep 16, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Saeid Azizian, Hadis Bashiri
Oct 28, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Saeid Azizian, Hadis Bashiri
May 30, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Władysław Rudzinski, Wojciech Plazinski
Nov 3, 2021·Environmental Science and Pollution Research International·Estefanía M MartinisNicolás Arancibia-Miranda
Nov 9, 2010·Journal of Colloid and Interface Science·Przemysław Podkościelny, Krzysztof Nieszporek

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