Journal of Research in Environmental Health

Journal of Research in Environmental Health

“Evaluation of the Efficiency of the Electrofenton Process in removal of penicillin G from aqueous solutions”

Document Type : Original quantitative and Qualitative Research Article

Authors
Salehe Salehnia 1
Behnam Barikbin 2
Rasoul Khosravi 1
1 MSc,Department of Health, Birjand University of Medical Sciences,birjand,iran,
2 Associate Professor, Social Determinates of health Research Center, Department of Environmental Health Engineering, Birjand University of Medical Sciences Birjand, Iran
10.22038/jreh.2020.41013.1309
Abstract
Introduction :In recent years, concerns have been raised about the presence of a wide range of drug substances and antibiotics in aquatic environments. Usually these materials are due to the inefficiency of conventional wastewater treatment technologies, From various routes such as agricultural runoff, direct discharge from urban wastewater treatment plants, human waste products, direct disposal of medical waste, industry, etc. into aquatic environments. The present study aims at the removal of penicillin G through electrofenton process in the aqueous solution.
Methods : The present study was conducted on laboratory scale in tanks made of glass using iron electrodes with useful volume 400 cc. The device is equipped with a flow rate regulator and voltage regulator to control these variables. Urban alternate current forms the input to the devices. The tank was filled with synthetic penicillin G with a concentration of 50-200 mg/L. The removal of penicillin G at potential 26V, the intensity of the 0.05-0.6A, Time 0-120 min, pH: 3-12 and the distance between the electrodes was measured in the range of 1-4cm.
Results: The aim of present study was to the potential of the processes of electrofenton removal of penicillin G in aquatic environments. The results were pH of 3, the electric current density 0.6A, reaction time 20min, the concentration of antibiotic 50mg/l, and the distance between electrodes 1cm with concentration of H2O2 25mmol . in these circumstances, the results showed that electrocoagulation process is the ability to remove 100 percent of the pollutants.
Conclusion: The results of this study illustrate that electrofenton process with iron electrodes is cost-effective removal of organic compounds.
Keywords
electrofenton
penicillin G
iron electrode
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