Volume 7, Issue 4 (Autumn 2018)                   Arch Hyg Sci 2018, 7(4): 288-294 | Back to browse issues page

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Moradi R, Ganjali A, Yari A R, Mahmoudian M H. Photocatalytic Degradation of Ciprofloxacin pharmacy pollutant in Batch Photoreactor. Arch Hyg Sci 2018; 7 (4) :288-294
URL: http://jhygiene.muq.ac.ir/article-1-343-en.html
Photocatalytic Degradation of Ciprofloxacin pharmacy pollutant in Batch Photoreactor
Reza Moradi * 1, Amin Ganjali2 , Ahmad Reza Yari3 , Mohammad Hassan Mahmoudian4
1- Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran
2- Department of Experimental Science, Kahnooj Branch, Islamic Azad University, Kahnooj, Iran
3- Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran.
4- Research Center for Environmental Pollutants and Department of Environmental Health Engineering, Qom University of Medical Sciences, Qom, Iran.
Abstract:   (4129 Views)
Background & Aims of the Study: Pharmaceutical compounds have a variety of forms and applications. Specific amounts of toxic organic compounds in the process of their manufacturing and utilization cause environmental pollution problems. So, degradation and removal these compounds are necessary. The aim of this paper is the study photocatalytic degradation of ciprofloxacin drug in aqueous solution using photo-Fenton process in a batch photoreactor.
Materials and methods: This is an experimental study on a laboratory scale. Fe2+ ions as a homogeneous catalyst applied for the degradation of ciprofloxacin in aqueous solution. The study was performed on synthetic wastewaters that contain ciprofloxacin as a pollutant. The effect of operational parameters such as pH, Fe2+ concentration and H2O2 concentration on reaction kinetics were studied and the optimum conditions were determined for the photocatalytic degradation of ciprofloxacin using one factor at the time (OFAT) experimental design method.
Results: The optimal conditions were obtained at pH =3, Fe2+ concentration at 35 ppm and H2O2 concentration at 25 ppm. A first order reaction with rate constant (k=0.0291 min−1) was observed for the photocatalytic degradation reaction. The chemical oxygen demand (COD) analysis of the ciprofloxacin under optimum conditions showed 92% reduction COD in a 49 min period.
Conclusions: The results showed that the photo-Fenton process can be a suitable alternative method to degradation of pharmaceutical compounds from synthesis wastewaters.
 
 
Keywords: Photo-Fenton process, Ciprofloxacin, Pollutant, Batch reactor, Iran.
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Type of Study: Original Article | Subject: Environmental Health
Received: 2018/06/5 | Accepted: 2018/12/27 | Published: 2018/12/29
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