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Korean Journal of Chemical Engineering

, Volume 31, Issue 11, pp 2014–2019 | Cite as

Investigation of photocatalytic degradation of clindamycin antibiotic by using nano-ZnO catalysts

  • Mahdi Farzadkia
  • Kourosh RahmaniEmail author
  • Mitra Gholami
  • Ali Esrafili
  • Ayat Rahmani
  • Hassan Rahmani
Environmental Engineering

Abstract

The photocatalytic degradation of clindamycin (CLM) was studied by a batch reactor using UV irradiation and ZnO catalyst. The effects of several parameters such as pH, catalyst loading, light intensity and irradiation time were evaluated in the removal process. The results showed that the degradation of CLM was effective in alkaline conditions. The optimum catalyst loading in an aqueous solution containing 25 mM of CLM and UV lamp of 50 W was observed at 3.0 g/L of catalyst loading. The process followed pseudo-first order kinetics, and the apparent rate constant (k) decreased with increasing the initial concentration of CLM. The photocatalytic process had higher removal efficiency in synthetic than actual wastewater in optimum conditions.

Keywords

Clindamycin Degradation Photocatalytic ZnO Nanoparticles 

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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2014

Authors and Affiliations

  • Mahdi Farzadkia
    • 1
  • Kourosh Rahmani
    • 1
    Email author
  • Mitra Gholami
    • 1
  • Ali Esrafili
    • 1
  • Ayat Rahmani
    • 2
    • 3
  • Hassan Rahmani
    • 4
  1. 1.Department of Environmental Health Engineering, School of Public HealthIran University of Medical SciencesTehranIran
  2. 2.Department of Environmental Health Engineering, School of HealthShahidBeheshti University of Medical SciencesTehranIran
  3. 3.Department of Environmental Health Engineering, Faculty of HealthBaghiyatollah (A.S.) University of Medical SciencesTehranIran
  4. 4.Department of Environmental Health Engineering, School of HealthAhvaz Jondishapoor Medical Sciences UniversityAhvazIran

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