Abstract
This study aimed to remove the antibiotic tetracycline from a sample of synthetic wastewater using an advanced oxidation process by Fenton's reagent treatment. Central Composite Design (CCD) software was used to reduce the number of tests required to remove tetracycline. The independent variables identified in batch oxidation experiments are the concentrations of tetracycline (40–250 mg / L), hydrogen peroxide (20–600 mg / L), and Fe(II) (0–60 mg / L). The rate of tetracycline degradation was significantly influenced by the concentration of hydrogen peroxide and tetracycline. The reaction time required for tetracycline removal was determined to be 15 minutes. The optimal ratio of independent variants leading to complete degradation 100% of tetracycline was hydrogen peroxide / Fe2 + / tetracycline 310/30/145 mg / l.
Highlights
Human and veterinary drugs are one of the main causes of pollution of natural water systems due to their frequent use today [1,2,3,4,5,6]
Several researchers have reported the risks of the presence of these pharmaceutically active compounds (PhACs) in aquatic environments [3,4,5,6]
The accumulation of tetracycline in river water leads to the development of bacteria resistant to antibiotics, which poses a serious threat to human health and ecosystems [9, 10, and 11]
Summary
Human and veterinary drugs are one of the main causes of pollution of natural water systems due to their frequent use today [1,2,3,4,5,6]. Many antibiotics are discharged into the river environment with medical waste and wastewater from pharmaceutical plants [3]. The presence of antibiotics in the aquatic environment is a major source of environmental pollution. Several researchers have reported the risks of the presence of these pharmaceutically active compounds (PhACs) in aquatic environments [3,4,5,6]. The accumulation of tetracycline in river water leads to the development of bacteria resistant to antibiotics, which poses a serious threat to human health and ecosystems [9, 10, and 11]. Fenton's reagent, consisting of H2O2 and Fe (II), is one of the most oxidation agents most effective in removing the most hazardous organic compounds that affect water quality. The following mechanism is acceptable for the activity of Fenton's reagent [12]
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