Journal of Colloid and Interface Science 461 (2016) 396–408 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Maghemite nanosorbcats for methylene blue adsorption and subsequent catalytic thermo-oxidative decomposition: Computational modeling and thermodynamics studies a,b a,⇑ a a Amjad El-Qanni , Nashaat N. Nassar , Gerardo Vitale , Azfar Hassan Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada Department of Chemical Engineering, An-Najah National University, P.O. Box 7, Nablus, Palestine highlights graphical a bstract c-Fe O nanoparticles were used as 2 3 nanoadsorbents and catalysts (nanosorbcats) for MB adsorption and oxidation. Computational modeling and adsorption isotherms were studied in detailed. The oxidation mechanisms in the presence and absence of nanoparticles were proposed and discussed. Kinetic triplets and thermodynamics studies conﬁrmed the catalytic activity of c-Fe O nanosorbcats. 2 3 ar ti c l e i nf o ab stra ct Article history: In this study methylene blue (MB) has been investigated for its adsorption and subsequent catalytic Received 21 June 2015 thermo-oxidative decomposition on surface of maghemite (c-Fe O ) nanoparticles. The experimental 2 3 Revised 13 September 2015 adsorption isotherm ﬁt well to the Freundlich model, indicating
Journal of Colloid and Interface Science – Elsevier
Published: Jan 1, 2016
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