International Journal of Chemical Engineering / 2021 / Article / Tab 4 / Research Article
Comparison of the Efficiency of Ultraviolet/Zinc Oxide (UV/ZnO) and Ozone/Zinc Oxide (O3 /ZnO) Techniques as Advanced Oxidation Processes in the Removal of Trimethoprim from Aqueous Solutions Table 4 Comparison of removal efficiency of antibiotics in aqueous solution by advanced oxidation processes.
Antibiotic Environment Process Operation conditions Removal efficiency Reference Trimethoprim Synthetic water model UV/ZnO, O3 /ZnO Ozonation rate = 0.6 g/L, ZnO = 500 mg/L, low-pressure UV (6 W, 254 nm) 91%, 94% This study Trimethoprim Spiked STP effluent O3 0.1–0.3 mM O3, pH = 7.2 85% [50 ] Trimethoprim and ciprofloxacin 2.5 mM phosphate buffer saline, pH = 7 O3 /H2 O2 /UV O 3 = 0.1 mM H2 O2 = 0.05–0.1 mM, medium pressure>90% [51 ] Ciprofloxacin Ultrapure water UV/TiO2 Dose catalyst (0.35 g/L), low-pressure UV 100% in 45 min [52 ] Metronidazole Complex aqueous matrix UV/TiO2 TiO2 = 1.5 g/L, UV light intensity = 6.5 mW cm−2 88% in 30 min [53 ] Tetracycline Deionized water US/ZnO + nanocomposite ZnO/NC = 4.88 mg, US frequency and power 37 kHz and 256 W 87.6% in 45 min [54 ] Ciprofloxacin and trimethoprim Ultrapure water UV/O3 2–20 mM O3, medium-pressure polychromatic UV lamp ∼100% [51 ] Ciprofloxacin Synthetic and simulated wastewater samples O3 /CaO2 CaO2 = 0.025 mg/L, temperature = 25°C, ozonation rate = 1 g/min 95.6% and 85.4% [55 ] Ciprofloxacin Synthetic water model O3 /UV/ZnO Ozonation rate = 4 L/min, UV lamp 6 W and low pressure, ZnO = 0.3 g/L 96% in 30 min [44 ]