Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/116317
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Type: Journal article
Title: Investigation of mechanism and critical parameters for removal of arsenic from water using Zr-TiO₂ composite
Other Titles: Investigation of mechanism and critical parameters for removal of arsenic from water using Zr-TiO(2) composite
Author: Anđelković, I.
Amaizah, N.
Marković, S.
Stanković, D.
Marković, M.
Kuzmanović, D.
Roglić, G.
Citation: Environmental Technology, 2017; 38(17):2233-2240
Publisher: Taylor & Francis
Issue Date: 2017
ISSN: 0959-3330
1479-487X
Statement of
Responsibility: 
I. Anđelković, N.R.R. Amaizah, S.B. Marković, D. Stanković, M. Marković, D. Kuzmanović and G. Roglić
Abstract: Using the microwave-hydrothermal method for the synthesis of composite, high surface density of hydroxyl groups, as an active adsorption sites for arsenic, was obtained. Adsorption mechanisms of As(III) and As(V) onto zirconium-doped titanium dioxide (Zr-TiO₂) were investigated and proposed using macroscopic and microscopic methods. Obtained results are suggesting inner-sphere and outer-sphere adsorption mechanisms for As(III) and As(V), respectively. This allowed us to identify parameters that are critical for the successful removal of arsenic from water, which is essential information for further optimization of the removal process. The composite was further applied for the removal of As(III) and As(V) from water in a dynamic flow through the reactor. Column study proved that the removal of both arsenic species below the value recommended by WHO can be achieved. Elution of As(III) and As(V) from the composite can be done by using small amounts of 0.01 M NaOH solution resulting in preconcentration of arsenic species and possible multiple usage of composite.
Keywords: Microwave-hydrothermal synthesis; As(III); As(V); adsorption; mechanism
Rights: © 2016 Informa UK Limited, trading as Taylor & Francis Group
DOI: 10.1080/09593330.2016.1255664
Appears in Collections:Agriculture, Food and Wine publications
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