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Removal of Cr(VI) from aqueous solution using fly ash of different sources
T K NAIYA,
Published in Taylor and Francis Inc.
2016
Volume: 57
   
Issue: 13
Pages: 5800 - 5809
Abstract
The removal of Cr(VI) ions from aqueous solution using five different fly ash collected from different thermal power plants using batch mode is reported. The effect of different operating parameters on the selectivity and sensitivity is investigated. Kinetics studies are reported to understand the mechanistic steps of the adsorption process, and pseudo-second-order kinetic model is best suited for all the adsorbent used. Freundlich isotherm is better applicable compared to the Langmuir isotherm model. The sorption energy is calculated using Dubinin–Radushkevich isotherm indicated that the processes are chemisorption in nature. The thermodynamic parameters indicated the processes of the adsorption are spontaneous and endothermic. © 2015 Balaban Desalination Publications. All rights reserved.
About the journal
JournalData powered by TypesetDesalination and Water Treatment
PublisherData powered by TypesetTaylor and Francis Inc.
ISSN1944-3994