Abstract：
:The degradation of antibiotic levofloxacin was investigated by dimensionally stable anode as well as modified cathode using low-cost chemical reagents of hydrazine hydrate and ethanol for electro-Fenton in an undivided cell at pH 3.0 under room temperature. Comparison of unmodified and modified cathode was performed. The apparent rate constant of levofloxacin decay was found to be 0.2883 min-1 for graphite felt-10 with the best performance at 200 mA, which is lower than graphite felt at 400 mA. The optimum modified cathode showed a significant improvement of complete mineralization of levofloxacin, reaching a 92% TOC removal at 200 mA for 480 min higher than unmodified one at twice the current. Surface physicochemical properties and morphology were investigated by scanning electron microscope, contact angle and X-ray photoelectron spectroscopy. The electrochemical characterization of hydrogen evolution reaction was adopted to clarify a possible pathway for the higher mineralization of levofloxacin, indicating a potential pilot-scale study to the pollution with the similar structure.
journal_name
Chemospherejournal_title
Chemosphereauthors
Liu X,Yang D,Zhou Y,Zhang J,Luo L,Meng S,Chen S,Tan M,Li Z,Tang Ldoi
10.1016/j.chemosphere.2017.05.035subject
Has Abstractpub_date
2017-09-01 00:00:00pages
306-315eissn
0045-6535issn
1879-1298pii
S0045-6535(17)30730-0journal_volume
182pub_type
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