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Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology

Authorized Users Only
2013
Authors
Dostanić, Jasmina
Lončarević, Davor
Rožić, Ljiljana
Petrović, Srđan
Mijin, Dušan
Jovanović, Dušan M.
Article (Published version)
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Abstract
Response surface methodology (RSM) and central composite design have been applied to describe and optimize photocatalytic degradation of azo pyridone dye using TiO2, H2O2, and simulated sun light. The mutual interactions between three independent variables, viz. H2O2 concentration, irradiation time, and TiO2 content were obtained. The results revealed that the most influential variables under selected reaction conditions were irradiation time and TiO2 content. The optimized conditions for the photocatalytic degradation of azo pyridone dye were as follows: H2O2 concentration: 130.5 mg/L, irradiation time: 54.8 min, and TiO2 content: 2.48 g/L. Under these conditions, the maximum decolorization efficiency of 96.43% was achieved. This experimental value was in good agreement with the predicted one, which proved the validity of the model. Operation cost analysis indicated that irradiation time had the major influence on total process cost. The RSM based on the central composite design was s...hown to be a successful technique for the optimization of the decolorization efficiency of azo pyridone dye and can be very helpful in improving the process economic feasibility. TOC analysis showed that the dye could be effectively mineralized during photocatalytic degradation.

Keywords:
Photodegradation / Azo pyridone dye / Response surface methodology / Central composite design / Optimization
Source:
Desalination and Water Treatment, 2013, 51, 13-15, 2802-2812
Publisher:
  • Desalination Publ, Hopkinton
Funding / projects:
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.1080/19443994.2012.750699

ISSN: 1944-3994

WoS: 000316983000033

Scopus: 2-s2.0-84875852622
[ Google Scholar ]
28
25
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1352
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Dostanić, Jasmina
AU  - Lončarević, Davor
AU  - Rožić, Ljiljana
AU  - Petrović, Srđan
AU  - Mijin, Dušan
AU  - Jovanović, Dušan M.
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1352
AB  - Response surface methodology (RSM) and central composite design have been applied to describe and optimize photocatalytic degradation of azo pyridone dye using TiO2, H2O2, and simulated sun light. The mutual interactions between three independent variables, viz. H2O2 concentration, irradiation time, and TiO2 content were obtained. The results revealed that the most influential variables under selected reaction conditions were irradiation time and TiO2 content. The optimized conditions for the photocatalytic degradation of azo pyridone dye were as follows: H2O2 concentration: 130.5 mg/L, irradiation time: 54.8 min, and TiO2 content: 2.48 g/L. Under these conditions, the maximum decolorization efficiency of 96.43% was achieved. This experimental value was in good agreement with the predicted one, which proved the validity of the model. Operation cost analysis indicated that irradiation time had the major influence on total process cost. The RSM based on the central composite design was shown to be a successful technique for the optimization of the decolorization efficiency of azo pyridone dye and can be very helpful in improving the process economic feasibility. TOC analysis showed that the dye could be effectively mineralized during photocatalytic degradation.
PB  - Desalination Publ, Hopkinton
T2  - Desalination and Water Treatment
T1  - Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology
VL  - 51
IS  - 13-15
SP  - 2802
EP  - 2812
DO  - 10.1080/19443994.2012.750699
ER  - 
@article{
author = "Dostanić, Jasmina and Lončarević, Davor and Rožić, Ljiljana and Petrović, Srđan and Mijin, Dušan and Jovanović, Dušan M.",
year = "2013",
abstract = "Response surface methodology (RSM) and central composite design have been applied to describe and optimize photocatalytic degradation of azo pyridone dye using TiO2, H2O2, and simulated sun light. The mutual interactions between three independent variables, viz. H2O2 concentration, irradiation time, and TiO2 content were obtained. The results revealed that the most influential variables under selected reaction conditions were irradiation time and TiO2 content. The optimized conditions for the photocatalytic degradation of azo pyridone dye were as follows: H2O2 concentration: 130.5 mg/L, irradiation time: 54.8 min, and TiO2 content: 2.48 g/L. Under these conditions, the maximum decolorization efficiency of 96.43% was achieved. This experimental value was in good agreement with the predicted one, which proved the validity of the model. Operation cost analysis indicated that irradiation time had the major influence on total process cost. The RSM based on the central composite design was shown to be a successful technique for the optimization of the decolorization efficiency of azo pyridone dye and can be very helpful in improving the process economic feasibility. TOC analysis showed that the dye could be effectively mineralized during photocatalytic degradation.",
publisher = "Desalination Publ, Hopkinton",
journal = "Desalination and Water Treatment",
title = "Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology",
volume = "51",
number = "13-15",
pages = "2802-2812",
doi = "10.1080/19443994.2012.750699"
}
Dostanić, J., Lončarević, D., Rožić, L., Petrović, S., Mijin, D.,& Jovanović, D. M.. (2013). Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology. in Desalination and Water Treatment
Desalination Publ, Hopkinton., 51(13-15), 2802-2812.
https://doi.org/10.1080/19443994.2012.750699
Dostanić J, Lončarević D, Rožić L, Petrović S, Mijin D, Jovanović DM. Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology. in Desalination and Water Treatment. 2013;51(13-15):2802-2812.
doi:10.1080/19443994.2012.750699 .
Dostanić, Jasmina, Lončarević, Davor, Rožić, Ljiljana, Petrović, Srđan, Mijin, Dušan, Jovanović, Dušan M., "Photocatalytic degradation of azo pyridone dye: Optimization using response surface methodology" in Desalination and Water Treatment, 51, no. 13-15 (2013):2802-2812,
https://doi.org/10.1080/19443994.2012.750699 . .

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