NDLI: Highly efficient degradation of ofloxacin by UV/Oxone/Co2+ oxidation process.

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Highly efficient degradation of ofloxacin by UV/Oxone/Co2+ oxidation process.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Song, Mengke Feng, Jinglan Sun, Jianhui Pi, Yunqing
Description	Author Affiliation: Sun J ( College of Chemistry and Environmental Sciences, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, People's Republic of China. sunjh_hj@yahoo.com.cn)
Abstract	INTRODUCTION: In this study, UV/Oxone/Co(2+) oxidation process was applied to degradation of ofloxacin (OFL) in the presence of Co(2+) as the catalytic and Oxone as the oxidant. The operation parameters including pH, temperature, dosages of reagents, and reaction time were studied in detail. RESULTS: The results showed that the optimum conditions for the UV/Oxone/Co(2+) processes were determined as follows: temperature = 25°C, pH = 5.0, [Oxone] = 0.6 mmol/L, [Oxone]/[Co(2+)] = 1,000, and reaction time = 60 min. Under these conditions, 100% of the OFL degraded. The kinetics was also studied, and degradation of OFL by the UV/Oxone/Co(2+) process could be described by first-order kinetics. CONCLUSIONS: Mineralization of the process was investigated by measuring the total organic carbon (TOC), and the TOC decreased by 87.0% after 60 min. This process could be used as a pretreatment method for wastewater containing ofloxacin.
ISSN	09441344
Issue Number	5
Volume Number	19
e-ISSN	16147499
Journal	Environmental Science and Pollution Research
Language	English
Publisher	Springer
Publisher Date	2012-06-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cobalt Chemistry Ofloxacin Sulfuric Acids Water Pollutants, Chemical Carbon Catalysis Hydrogen-ion Concentration Kinetics Oxidants Oxidation-reduction Temperature Time Factors Ultraviolet Rays Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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