Journal
WATER ENVIRONMENT RESEARCH
Volume 88, Issue 11, Pages 2121-2131Publisher
WILEY
DOI: 10.2175/106143016X14733681695447
Keywords
Clarithromycin; azithromycin; coagulation; Fenton; Fenton-like; wastewater
Funding
- Deputy of Research and School of Public Health, Shahid Beheshti University of Medical Science [2749]
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The present study evaluates the reduction of antibiotic COD from wastewater by combined coagulation and advanced oxidation processes (AOP(S)). The reduction of Azithromycin COD by combined coagulation and Fenton-like processes reached a maximum 96.9% at a reaction time of 30 min, dosage of ferric chloride 120 mg/L, dosages of Fe-0 and H(2)O(2)of 0.36mM/L and 0.38 mM/L, respectively. Also, 97.9% of Clarithromycin COD reduction, was achieved at a reaction time of 30 min, dosage of ferric chloride 120 mg/L, dosages of Fe-0 and H2O2 of 0.3 mM/L and 0.3mM/L, respectively. The results of kinetic studies were best fitted to the pseudo first order equation. The results showed a higher rate constant value for combined coagulation and Fenton-like processes [(k(ap) = 0.022 min(-1) and half-life time of 31.5 min for Azithromycin) and (k(ap) = 0.023 min(-1) and half-life time of 30.1 min for Clarithromycin)].
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