Volume 13, Issue 1 (6-2011)                   yafte 2011, 13(1): 7-16 | Back to browse issues page

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Yazdanbakhsh A R, Sheikhmohammadi A, sardar M, manshori M. Investigation of combined coagulation and advanced oxidation process efficiency for the removal of Clarithromycin from wastewater. yafte. 2011; 13 (1) :7-16
URL: http://yafte.lums.ac.ir/article-1-390-en.html
Lorestan University of Medical Sciences ,Khorramabad,Iran
Abstract:   (12938 Views)
Antibiotics are considered among the major pollutants in water environments. In this study, elimination of Claritromycin antibiotic has been studied from synthetic wastewater by combined coagulation and advanced oxidation process. Materials and Methods: This study was done in laboratory scale . Samples of synthetic wastewater were prepared from Claritromycin antibiotic. Concentration of samples were 200 mg/l. COD index was selected as a parameter evaluated in this study. In the first stage, coagulation process was done on synthetic wastewater and the proper condition was achieved ( proper coagulant, optimum pH , dosage of coagulant). After that, Fenton oxidation process was done, on the effluent of coagulation process. In Fenton process the influence of pH, Fe2+ and hydrogen peroxide were studied on the removal efficiency of Claritromycin antibiotic and the optimum values for each parameter were determined. Results: According to the results of this study, Poly Aluminum Chloride(PAC) is the proper coagulant. With pH equal to 7 and 100 mg/l PAC, 84.37% removal of Claritromycine was achieved. For Fenton process, optimum parameters for the removal of Claritromycin were determined. The optimum condition for Fenton like process were, pH= 7, Fe0 equal to 0.3 mmol/ l , hydrogen proxide equal to 0. 3 mmol /l ,ratio of H2O2/Fe0 equal to 1 and detention time of 0.5h .With applying optimum conditions for combined coagulation and Fenton like processes, 97.95% removal of Claritromycin was obtained . Conclusion: In general the results of the performed tests indicated that combined coagulation and advanced oxidation process has high efficiency in removal of Claritromycin wastewater COD. But application this method in the industry should be surveyed.
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Type of Study: Research |
Received: 2011/06/12 | Published: 2011/06/15

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