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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Ibuprofen is a nonsteroideal anti-inflammatory drug (NSAID) widely used as a pain reliever and therefore, has been frequently detected in rivers, lakes and even their sediments. However, few data have been available for the fate of ibuprofen in the water/sediment compartment despite its high pKow (=3.5). This study focused on the dynamic sorption of ibuprofen onto sediment at pH 4 and 0 and 30 ppt (part per thousand) of salinity. Experimental data were fitted to several kinetic models such as one-site mass transfer model (OSMTM), pseudo-first order kinetic model (PFOKM), pseudo-second order kinetic model (PSOKM), two compartment first order kinetic model (TCFOKM), and modified two compartment first order kinetic model (MTCFOKM). The MTCFOKM was the best in fitting sorption data (R2 > 0.991 and 0.985 at 0 and 30 ppt salinity, respectively). The MTCFOKM can fit the data into the fast and slow sorption kinetics. The results show that the fast sorption of ibuprofen finished within 1 day, whereas the slow sorption finished between 10 and 100 days. Salinity increases the sorbed amount of ibuprofen (qe) and affects also the finish time for the fast and slow sorption. The increase in salinity decreased the finish time for the fast sorption whereas increased it for the slow sorption.
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참고문헌 (13)
참고문헌 신청
Daughton, C. G. / 1999 / Pharmaceuticals and Personal Care Products in the Environment : Agents of Subtle Change? Environ / Health Perspect 107(6):907~938
Varga, M. / 2010 / Investigation of Acidic Pharmaceuticals in River Water and Sediment by Microwave-Assisted Extraction and Gas Chromato graphy-Mass Spectrometry / Microchem. J 95:353~358
Avdeef, A. / 1999 / PH-metric log P 11. pKa Determination of Water-insoluble Drugs in Organic Solvent-water Mixtures / J. Pharm. Biomed. Anal 20:631~641
Oh, S. / 2012 / Effect of pH, Dissolved Organic Matter and Salinity on Ibuprofen Sorption onto Sediment / The Fifth Annual Conference on the Challenges in Environmental Science and Engineers CESE 2012
오상화 / 2011 / Sorption and Desorption Kinetics of Naphthalene and Phenanthrene on Black Carbon in Sediment / 지하수토양환경 16(6):79~94
Varga, M. / 2010 / Investigation of Acidic Pharmaceuticals in River Water and Sediment by Microwave-Assisted Extraction and Gas Chromato graphy-Mass Spectrometry / Microchem. J 95:353~358
Avdeef, A. / 1999 / PH-metric log P 11. pKa Determination of Water-insoluble Drugs in Organic Solvent-water Mixtures / J. Pharm. Biomed. Anal 20:631~641
Oh, S. / 2012 / Effect of pH, Dissolved Organic Matter and Salinity on Ibuprofen Sorption onto Sediment / The Fifth Annual Conference on the Challenges in Environmental Science and Engineers CESE 2012
오상화 / 2011 / Sorption and Desorption Kinetics of Naphthalene and Phenanthrene on Black Carbon in Sediment / 지하수토양환경 16(6):79~94
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