Comparative study of the degradation of carbamazepine in water by advanced oxidation processes

Chao Meng Dai; Xue Fei Zhou; Ya Lei Zhang; Yan Ping Duan; Zhi Min Qiang; Tian C. Zhang

doi:10.1080/09593330.2011.610359

Comparative study of the degradation of carbamazepine in water by advanced oxidation processes

Chao Meng Dai, Xue Fei Zhou, Ya Lei Zhang, Yan Ping Duan, Zhi Min Qiang, Tian C. Zhang

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

51 Scopus citations

Abstract

Degradation of carbamazepine (CBZ) using ultraviolet (UV), UV/H₂O₂, Fenton, UV/Fenton and photocatalytic oxidation with TiO₂ (UV/TiO₂) was studied in deionized water. The five different oxidation processes were compared for the removal kinetics of CBZ. The results showed that all the processes followed pseudo-first-order kinetics. The direct photolysis (UV alone) was found to be less effective than UV/H₂O₂ oxidation for the degradation of CBZ. An approximate 20% increase in the CBZ removal efficiency occurred with the UV/Fenton reaction as compared with the Fenton oxidation. In the UV/TiO₂ system, the kinetics of CBZ degradation in the presence of different concentrations of TiO₂ followed the pseudo-first order degradation, which was consistent with the Langmuir–Hinshelwood (L–H) model. On a time basis, the degradation efficiencies of CBZ were in the following order: UV/Fenton (86.9%±1.7%)>UV/TiO₂ (70.4%±4.2%)>Fenton (67.8%±2.6%)>UV/H₂O₂ (40.65±5.1%)>UV (12.2%±1.4%). However, the lowest cost was obtained with the Fenton process.

Original language	English (US)
Pages (from-to)	1101-1109
Number of pages	9
Journal	Environmental Technology (United Kingdom)
Volume	33
Issue number	10
DOIs	https://doi.org/10.1080/09593330.2011.610359
State	Published - May 2012
Externally published	Yes

Keywords

Advanced oxidation processes
Carbamazepine
Comparative assessment
Degradation
Water

ASJC Scopus subject areas

Environmental Chemistry
Water Science and Technology
Waste Management and Disposal

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10.1080/09593330.2011.610359

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title = "Comparative study of the degradation of carbamazepine in water by advanced oxidation processes",

abstract = "Degradation of carbamazepine (CBZ) using ultraviolet (UV), UV/H2O2, Fenton, UV/Fenton and photocatalytic oxidation with TiO2 (UV/TiO2) was studied in deionized water. The five different oxidation processes were compared for the removal kinetics of CBZ. The results showed that all the processes followed pseudo-first-order kinetics. The direct photolysis (UV alone) was found to be less effective than UV/H2O2 oxidation for the degradation of CBZ. An approximate 20% increase in the CBZ removal efficiency occurred with the UV/Fenton reaction as compared with the Fenton oxidation. In the UV/TiO2 system, the kinetics of CBZ degradation in the presence of different concentrations of TiO2 followed the pseudo-first order degradation, which was consistent with the Langmuir–Hinshelwood (L–H) model. On a time basis, the degradation efficiencies of CBZ were in the following order: UV/Fenton (86.9%±1.7%)>UV/TiO2 (70.4%±4.2%)>Fenton (67.8%±2.6%)>UV/H2O2 (40.65±5.1%)>UV (12.2%±1.4%). However, the lowest cost was obtained with the Fenton process.",

keywords = "Advanced oxidation processes, Carbamazepine, Comparative assessment, Degradation, Water",

author = "Dai, {Chao Meng} and Zhou, {Xue Fei} and Zhang, {Ya Lei} and Duan, {Yan Ping} and Qiang, {Zhi Min} and Zhang, {Tian C.}",

note = "Funding Information: The work was supported by the New Century Excellent Researcher Award Program from the Ministry of Education of China (NCET-07-0627), the National Natural Science Foundation of China (41072172), the Foundation item of Shanghai International Cooperation in Science and Technology (072307007), and the Shanghai Natural Science Fund (06ZR14089).",

year = "2012",

month = may,

doi = "10.1080/09593330.2011.610359",

language = "English (US)",

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AU - Dai, Chao Meng

AU - Zhou, Xue Fei

AU - Zhang, Ya Lei

AU - Duan, Yan Ping

AU - Qiang, Zhi Min

AU - Zhang, Tian C.

N1 - Funding Information: The work was supported by the New Century Excellent Researcher Award Program from the Ministry of Education of China (NCET-07-0627), the National Natural Science Foundation of China (41072172), the Foundation item of Shanghai International Cooperation in Science and Technology (072307007), and the Shanghai Natural Science Fund (06ZR14089).

PY - 2012/5

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N2 - Degradation of carbamazepine (CBZ) using ultraviolet (UV), UV/H2O2, Fenton, UV/Fenton and photocatalytic oxidation with TiO2 (UV/TiO2) was studied in deionized water. The five different oxidation processes were compared for the removal kinetics of CBZ. The results showed that all the processes followed pseudo-first-order kinetics. The direct photolysis (UV alone) was found to be less effective than UV/H2O2 oxidation for the degradation of CBZ. An approximate 20% increase in the CBZ removal efficiency occurred with the UV/Fenton reaction as compared with the Fenton oxidation. In the UV/TiO2 system, the kinetics of CBZ degradation in the presence of different concentrations of TiO2 followed the pseudo-first order degradation, which was consistent with the Langmuir–Hinshelwood (L–H) model. On a time basis, the degradation efficiencies of CBZ were in the following order: UV/Fenton (86.9%±1.7%)>UV/TiO2 (70.4%±4.2%)>Fenton (67.8%±2.6%)>UV/H2O2 (40.65±5.1%)>UV (12.2%±1.4%). However, the lowest cost was obtained with the Fenton process.

AB - Degradation of carbamazepine (CBZ) using ultraviolet (UV), UV/H2O2, Fenton, UV/Fenton and photocatalytic oxidation with TiO2 (UV/TiO2) was studied in deionized water. The five different oxidation processes were compared for the removal kinetics of CBZ. The results showed that all the processes followed pseudo-first-order kinetics. The direct photolysis (UV alone) was found to be less effective than UV/H2O2 oxidation for the degradation of CBZ. An approximate 20% increase in the CBZ removal efficiency occurred with the UV/Fenton reaction as compared with the Fenton oxidation. In the UV/TiO2 system, the kinetics of CBZ degradation in the presence of different concentrations of TiO2 followed the pseudo-first order degradation, which was consistent with the Langmuir–Hinshelwood (L–H) model. On a time basis, the degradation efficiencies of CBZ were in the following order: UV/Fenton (86.9%±1.7%)>UV/TiO2 (70.4%±4.2%)>Fenton (67.8%±2.6%)>UV/H2O2 (40.65±5.1%)>UV (12.2%±1.4%). However, the lowest cost was obtained with the Fenton process.

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Comparative study of the degradation of carbamazepine in water by advanced oxidation processes

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Keywords

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