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 journalArticle

24 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)1101-1109
Number of pages9
JournalEnvironmental Technology (United Kingdom)
Volume33
Issue number10
DOIs
StatePublished - Jan 1 2012

Fingerprint

Carbamazepine
comparative study
oxidation
Degradation
Oxidation
degradation
Water
kinetics
water
Kinetics
photolysis
Deionized water
Photolysis
cost
Costs
removal

Keywords

  • Advanced oxidation processes
  • Carbamazepine
  • Comparative assessment
  • Degradation
  • Water

ASJC Scopus subject areas

  • Environmental Chemistry
  • Water Science and Technology
  • Waste Management and Disposal

Cite this

Comparative study of the degradation of carbamazepine in water by advanced oxidation processes. / Dai, Chao Meng; Zhou, Xue Fei; Zhang, Ya Lei; Duan, Yan Ping; Qiang, Zhi Min; Zhang, Tian C.

In: Environmental Technology (United Kingdom), Vol. 33, No. 10, 01.01.2012, p. 1101-1109.

Research output: Contribution to journalArticle

Dai, Chao Meng ; Zhou, Xue Fei ; Zhang, Ya Lei ; Duan, Yan Ping ; Qiang, Zhi Min ; Zhang, Tian C. / Comparative study of the degradation of carbamazepine in water by advanced oxidation processes. In: Environmental Technology (United Kingdom). 2012 ; Vol. 33, No. 10. pp. 1101-1109.
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