Adsorption of Zn(II) on activated red mud: Neutralized by CO2

Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1359

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DC Field	Value	Language
dc.contributor.author	Sahu, R C	-
dc.contributor.author	Patel, R K	-
dc.contributor.author	Ray, B C	-
dc.date.accessioned	2011-01-25T10:07:39Z	-
dc.date.available	2011-01-25T10:07:39Z	-
dc.date.issued	2011	-
dc.identifier.citation	Desalination 266 (2011) 93–97	en
dc.identifier.uri	doi:10.1016/j.desal.2010.08.007	-
dc.identifier.uri	http://hdl.handle.net/2080/1359	-
dc.description	Copyright belongs to Elsevier	en
dc.description.abstract	In this study, caustic red mud was neutralized using CO2 sequestration. Batch adsorption study was conducted to investigate the ability of activated CO2-neutralized red mud (ANRM) for the adsorption of Zn(II) ions from the aqueous solutions. The experiments were carried out with respect to adsorbent dose, pH, contact time, initial Zn(II) concentrations, kinetics, Langmuir and Freundlich isotherms. The characterization of CO2 neutralized red mud and mechanisms of Zn(II) adsorption on ANRM were studied by using TG-DSC, SEM/EDX, BET, AAS and chemical methods. Adsorption kinetic studies revealed that the adsorption process followed pseudo-second-order kinetics. The adsorption data were fitted to linearly transformed Langmuir isotherm with R2 (correlation coefficient) > 0.98.	en
dc.format.extent	402743 bytes	-
dc.format.mimetype	application/pdf	-
dc.language.iso	en	-
dc.publisher	Elsevier	en
dc.subject	Red mud	en
dc.subject	CO2	en
dc.subject	Zinc	en
dc.subject	Kinetics	en
dc.subject	Langmuir isotherm	en
dc.title	Adsorption of Zn(II) on activated red mud: Neutralized by CO2	en
dc.type	Article	en
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