Journal
TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
Volume 95, Issue 10, Pages 1680-1689Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02772248.2014.901328
Keywords
H2O2; nano-TiO2; tetracycline; ultrasound; water pollution
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Funding
- Tehran University of Medical Sciences & Health Services [92-02-61-20501]
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Tetracycline (TC), one of the most common antibiotics, is often poorly bio-degraded in conventional wastewater treatment plants. In this study, the sonocatalytic degradation of TC was investigated using TiO2 nano-particles as catalyst. The effect of pH, initial TC concentrations, reaction times, and H2O2 concentrations were evaluated. The efficacy of ultrasonic irradiation alone in the removal of this pollutant was negligible but removal efficiency increased upon addition of TiO2 up to 250mg L-1; increase of pH and initial TC concentration attenuated TC degradation. Addition of H2O2 raised the removal efficiency so that complete removal of TC was achieved within 75min.
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