Residence time distribution analysis and optimization of photocatalysis of phenazopyridine using immobilized TiO2 nanoparticles in a rectangular photoreactor

M. Fathinia; A. R. Khataee

doi:10.1016/j.jiec.2013.01.019

Residence time distribution analysis and optimization of photocatalysis of phenazopyridine using immobilized TiO₂ nanoparticles in a rectangular photoreactor

M. Fathinia, A. R. Khataee^*

^*Corresponding author for this work

University of Tabriz

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

64 Citations (Scopus)

Abstract

Optimization of photocatalytic degradation of phenazopyridine (PhP) under UV light irradiation using immobilized TiO₂ nanoparticles was studied. The effect of operational parameters was investigated using response surface methodology (RSM). Maximum removal efficiency was achieved at the optimum conditions: initial drug concentration of 10mg/L, UV light intensity of 47W/m², flow rate of 200mL/min, and reaction time of 150min. The residence time distribution (RTD) analysis was studied to find the effect of flow rate on the drug removal efficiency. The tracer (PhP) pulse injection response was studied with UV-vis measurements and was used to prepare RTD curves.

Original language	English
Pages (from-to)	1525-1534
Number of pages	10
Journal	Journal of Industrial and Engineering Chemistry
Volume	19
Issue number	5
DOIs	https://doi.org/10.1016/j.jiec.2013.01.019
Publication status	Published - 25 Sept 2013
Externally published	Yes

Keywords

Flow pattern
Pharmaceutical wastewater
Photocatalyst
Response surface methodology
TiO nanoparticles

UN SDGs

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

Access to Document

10.1016/j.jiec.2013.01.019

Cite this

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abstract = "Optimization of photocatalytic degradation of phenazopyridine (PhP) under UV light irradiation using immobilized TiO2 nanoparticles was studied. The effect of operational parameters was investigated using response surface methodology (RSM). Maximum removal efficiency was achieved at the optimum conditions: initial drug concentration of 10mg/L, UV light intensity of 47W/m2, flow rate of 200mL/min, and reaction time of 150min. The residence time distribution (RTD) analysis was studied to find the effect of flow rate on the drug removal efficiency. The tracer (PhP) pulse injection response was studied with UV-vis measurements and was used to prepare RTD curves.",

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AU - Khataee, A. R.

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N2 - Optimization of photocatalytic degradation of phenazopyridine (PhP) under UV light irradiation using immobilized TiO2 nanoparticles was studied. The effect of operational parameters was investigated using response surface methodology (RSM). Maximum removal efficiency was achieved at the optimum conditions: initial drug concentration of 10mg/L, UV light intensity of 47W/m2, flow rate of 200mL/min, and reaction time of 150min. The residence time distribution (RTD) analysis was studied to find the effect of flow rate on the drug removal efficiency. The tracer (PhP) pulse injection response was studied with UV-vis measurements and was used to prepare RTD curves.

AB - Optimization of photocatalytic degradation of phenazopyridine (PhP) under UV light irradiation using immobilized TiO2 nanoparticles was studied. The effect of operational parameters was investigated using response surface methodology (RSM). Maximum removal efficiency was achieved at the optimum conditions: initial drug concentration of 10mg/L, UV light intensity of 47W/m2, flow rate of 200mL/min, and reaction time of 150min. The residence time distribution (RTD) analysis was studied to find the effect of flow rate on the drug removal efficiency. The tracer (PhP) pulse injection response was studied with UV-vis measurements and was used to prepare RTD curves.

KW - Flow pattern

KW - Pharmaceutical wastewater

KW - Photocatalyst

KW - Response surface methodology

KW - TiO nanoparticles

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