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Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes

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2014
la502969w.pdf (3.093Mb)
Authors
Tomić, Nataša M.
Dohcevic-Mitrovic, Zorana D
Paunović, Novica M
Mijin, Dušan
Radić, Nenad
Grbić, Boško
Askrabic, Sonja M
Babić, Biljana M.
Bajuk-Bogdanovic, Danica V
Article (Accepted Version)
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Abstract
Ultrafine CeO2-delta nanopowder, prepared by a simple and cost-effective self-propagating room temperature synthesis method (SPRT), showed high adsorption capability for removal of different azo dyes. Batch type of adsorption experiments with fixed initial pH value were conducted for the removal of Reactive Orange 16 (RO16), Methyl Orange (MO), and Mordant Blue 9 (MB9). The equilibrium adsorption data were evaluated using Freundlich and Langmuir isotherm models. The Langmuir model slightly better describes isotherm data for RO16 and MO, whereas the Freundlich model was found to best fit the isotherm data for MB9 over the whole concentration range. The maximum adsorption capacities, determined from isotherm data for MO, MB9, and RO16 were 113, 101, and 91 mg g(1) respectively. The adsorption process follows the pseudo-second-order kinetic model indicating the coexistence of chemisorption and physisorption. The mechanism of azo dye adsorption is also discussed.
Source:
Langmuir, 2014, 30, 39, 11582-11590
Publisher:
  • American Chemical Society (ACS)
Funding / projects:
  • Physics of nanostructured oxide materials and strongly correlated systems (RS-171032)
  • Nanostructured multifunctional materials and nanocomposites (RS-45018)
  • RS13MO11
Note:
  • This is the peer-reviewed version of the article: https://doi.org/10.1021/la502969w
  • http://cer.ihtm.bg.ac.rs/handle/123456789/1392

DOI: 10.1021/la502969w

ISSN: 0743-7463

PubMed: 25220220

WoS: 000343017600012

Scopus: 2-s2.0-84907886301
[ Google Scholar ]
37
37
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3170
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Tomić, Nataša M.
AU  - Dohcevic-Mitrovic, Zorana D
AU  - Paunović, Novica M
AU  - Mijin, Dušan
AU  - Radić, Nenad
AU  - Grbić, Boško
AU  - Askrabic, Sonja M
AU  - Babić, Biljana M.
AU  - Bajuk-Bogdanovic, Danica V
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3170
AB  - Ultrafine CeO2-delta nanopowder, prepared by a simple and cost-effective self-propagating room temperature synthesis method (SPRT), showed high adsorption capability for removal of different azo dyes. Batch type of adsorption experiments with fixed initial pH value were conducted for the removal of Reactive Orange 16 (RO16), Methyl Orange (MO), and Mordant Blue 9 (MB9). The equilibrium adsorption data were evaluated using Freundlich and Langmuir isotherm models. The Langmuir model slightly better describes isotherm data for RO16 and MO, whereas the Freundlich model was found to best fit the isotherm data for MB9 over the whole concentration range. The maximum adsorption capacities, determined from isotherm data for MO, MB9, and RO16 were 113, 101, and 91 mg g(1) respectively. The adsorption process follows the pseudo-second-order kinetic model indicating the coexistence of chemisorption and physisorption. The mechanism of azo dye adsorption is also discussed.
PB  - American Chemical Society (ACS)
T2  - Langmuir
T1  - Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes
VL  - 30
IS  - 39
SP  - 11582
EP  - 11590
DO  - 10.1021/la502969w
UR  - Conv_3231
ER  - 
@article{
author = "Tomić, Nataša M. and Dohcevic-Mitrovic, Zorana D and Paunović, Novica M and Mijin, Dušan and Radić, Nenad and Grbić, Boško and Askrabic, Sonja M and Babić, Biljana M. and Bajuk-Bogdanovic, Danica V",
year = "2014",
abstract = "Ultrafine CeO2-delta nanopowder, prepared by a simple and cost-effective self-propagating room temperature synthesis method (SPRT), showed high adsorption capability for removal of different azo dyes. Batch type of adsorption experiments with fixed initial pH value were conducted for the removal of Reactive Orange 16 (RO16), Methyl Orange (MO), and Mordant Blue 9 (MB9). The equilibrium adsorption data were evaluated using Freundlich and Langmuir isotherm models. The Langmuir model slightly better describes isotherm data for RO16 and MO, whereas the Freundlich model was found to best fit the isotherm data for MB9 over the whole concentration range. The maximum adsorption capacities, determined from isotherm data for MO, MB9, and RO16 were 113, 101, and 91 mg g(1) respectively. The adsorption process follows the pseudo-second-order kinetic model indicating the coexistence of chemisorption and physisorption. The mechanism of azo dye adsorption is also discussed.",
publisher = "American Chemical Society (ACS)",
journal = "Langmuir",
title = "Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes",
volume = "30",
number = "39",
pages = "11582-11590",
doi = "10.1021/la502969w",
url = "Conv_3231"
}
Tomić, N. M., Dohcevic-Mitrovic, Z. D., Paunović, N. M., Mijin, D., Radić, N., Grbić, B., Askrabic, S. M., Babić, B. M.,& Bajuk-Bogdanovic, D. V.. (2014). Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes. in Langmuir
American Chemical Society (ACS)., 30(39), 11582-11590.
https://doi.org/10.1021/la502969w
Conv_3231
Tomić NM, Dohcevic-Mitrovic ZD, Paunović NM, Mijin D, Radić N, Grbić B, Askrabic SM, Babić BM, Bajuk-Bogdanovic DV. Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes. in Langmuir. 2014;30(39):11582-11590.
doi:10.1021/la502969w
Conv_3231 .
Tomić, Nataša M., Dohcevic-Mitrovic, Zorana D, Paunović, Novica M, Mijin, Dušan, Radić, Nenad, Grbić, Boško, Askrabic, Sonja M, Babić, Biljana M., Bajuk-Bogdanovic, Danica V, "Nanocrystalline CeO2-delta as Effective Adsorbent of Azo Dyes" in Langmuir, 30, no. 39 (2014):11582-11590,
https://doi.org/10.1021/la502969w .,
Conv_3231 .

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