Removal of the hazardous dye-Tartrazine by photodegradation on titanium dioxide surface

Vinod K. Gupta; Rajeev Jain; Arunima Nayak; Shilpi Agarwal; Meenakshi Shrivastava

doi:10.1016/j.msec.2011.03.006

Removal of the hazardous dye-Tartrazine by photodegradation on titanium dioxide surface

Vinod K. Gupta, Rajeev Jain, Arunima Nayak, Shilpi Agarwal, Meenakshi Shrivastava

Research output: Contribution to journal › Article › peer-review

842 Scopus citations

Abstract

The removal of the dye-tartrazine by photodegradation has been investigated using titanium dioxide surface as photocatalyst under UV light. The process was carried out at different pH, catalyst dose, dye concentration and effects of the electron acceptor H₂O₂. It was found that under the influence of TiO₂ as catalyst, the colored solution of the dye became colorless and the process followed a pseudo first order kinetics. The optimum conditions for the degradation of dye were 6 × 10^{- 5} M dye concentration, pH of 11, and 0.18 mg/L of catalyst dose. In order to evaluate the effect of electron acceptor, the effect of H₂O₂ on the degradation process was also monitored and it was found that the hydroxyl radical formation and retardation of electron-hole recombination took place simultaneously. The adsorption studies of tartrazine at various dose of TiO ₂ followed the Langmuir isotherm trend. In order to determine the quality of waste water, Chemical Oxygen Demand (COD) measurements were carried out both before and after the treatment and a significant decrease in the values was observed, implying good potential of this technique to remove tartrazine dye from aqueous solutions.

Original language	English
Pages (from-to)	1062-1067
Number of pages	6
Journal	Materials Science and Engineering C
Volume	31
Issue number	5
DOIs	https://doi.org/10.1016/j.msec.2011.03.006
State	Published - 20 Jul 2011
Externally published	Yes

Bibliographical note

Funding Information:
One of the authors (Arunima Nayak) is thankful to the Ministry of Human Resource Development (MHRD ), New Delhi, India, for financial support.

Keywords

Photo catalytic degradation
Tartrazine
Titanium dioxide
UV light

ASJC Scopus subject areas

General Medicine

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.msec.2011.03.006

Cite this

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title = "Removal of the hazardous dye-Tartrazine by photodegradation on titanium dioxide surface",

abstract = "The removal of the dye-tartrazine by photodegradation has been investigated using titanium dioxide surface as photocatalyst under UV light. The process was carried out at different pH, catalyst dose, dye concentration and effects of the electron acceptor H2O2. It was found that under the influence of TiO2 as catalyst, the colored solution of the dye became colorless and the process followed a pseudo first order kinetics. The optimum conditions for the degradation of dye were 6 × 10- 5 M dye concentration, pH of 11, and 0.18 mg/L of catalyst dose. In order to evaluate the effect of electron acceptor, the effect of H2O2 on the degradation process was also monitored and it was found that the hydroxyl radical formation and retardation of electron-hole recombination took place simultaneously. The adsorption studies of tartrazine at various dose of TiO 2 followed the Langmuir isotherm trend. In order to determine the quality of waste water, Chemical Oxygen Demand (COD) measurements were carried out both before and after the treatment and a significant decrease in the values was observed, implying good potential of this technique to remove tartrazine dye from aqueous solutions.",

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author = "Gupta, \{Vinod K.\} and Rajeev Jain and Arunima Nayak and Shilpi Agarwal and Meenakshi Shrivastava",

note = "Funding Information: One of the authors (Arunima Nayak) is thankful to the Ministry of Human Resource Development (MHRD ), New Delhi, India, for financial support.",

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AU - Gupta, Vinod K.

AU - Jain, Rajeev

AU - Nayak, Arunima

AU - Agarwal, Shilpi

AU - Shrivastava, Meenakshi

N1 - Funding Information: One of the authors (Arunima Nayak) is thankful to the Ministry of Human Resource Development (MHRD ), New Delhi, India, for financial support.

PY - 2011/7/20

Y1 - 2011/7/20

N2 - The removal of the dye-tartrazine by photodegradation has been investigated using titanium dioxide surface as photocatalyst under UV light. The process was carried out at different pH, catalyst dose, dye concentration and effects of the electron acceptor H2O2. It was found that under the influence of TiO2 as catalyst, the colored solution of the dye became colorless and the process followed a pseudo first order kinetics. The optimum conditions for the degradation of dye were 6 × 10- 5 M dye concentration, pH of 11, and 0.18 mg/L of catalyst dose. In order to evaluate the effect of electron acceptor, the effect of H2O2 on the degradation process was also monitored and it was found that the hydroxyl radical formation and retardation of electron-hole recombination took place simultaneously. The adsorption studies of tartrazine at various dose of TiO 2 followed the Langmuir isotherm trend. In order to determine the quality of waste water, Chemical Oxygen Demand (COD) measurements were carried out both before and after the treatment and a significant decrease in the values was observed, implying good potential of this technique to remove tartrazine dye from aqueous solutions.

AB - The removal of the dye-tartrazine by photodegradation has been investigated using titanium dioxide surface as photocatalyst under UV light. The process was carried out at different pH, catalyst dose, dye concentration and effects of the electron acceptor H2O2. It was found that under the influence of TiO2 as catalyst, the colored solution of the dye became colorless and the process followed a pseudo first order kinetics. The optimum conditions for the degradation of dye were 6 × 10- 5 M dye concentration, pH of 11, and 0.18 mg/L of catalyst dose. In order to evaluate the effect of electron acceptor, the effect of H2O2 on the degradation process was also monitored and it was found that the hydroxyl radical formation and retardation of electron-hole recombination took place simultaneously. The adsorption studies of tartrazine at various dose of TiO 2 followed the Langmuir isotherm trend. In order to determine the quality of waste water, Chemical Oxygen Demand (COD) measurements were carried out both before and after the treatment and a significant decrease in the values was observed, implying good potential of this technique to remove tartrazine dye from aqueous solutions.

KW - Photo catalytic degradation

KW - Tartrazine

KW - Titanium dioxide

KW - UV light

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Removal of the hazardous dye-Tartrazine by photodegradation on titanium dioxide surface

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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