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http://dx.doi.org/10.4491/KSEE.2014.36.8.579

Assessment of Micro Organic Pollutants Removal Using Advanced Water Treatment Process and Nanofiltration Process  

Kang, Joon-Seok (Water Supply Research Center, K-water Institute)
Choi, Yang-Hun (Water Supply Research Center, K-water Institute)
Kwon, Soon-Buhm (Water Supply Research Center, K-water Institute)
Yu, Young-Beom (Water Supply Research Center, K-water Institute)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.8, 2014 , pp. 579-587 More about this Journal
Abstract
Various kinds of micro organic pollutants have frequently been detected from a water system. Therefore, it is considered to be very important part in the drinking water treatment system. And the research about removal process and processing efficiency have been being conducted briskly. In this study, the removal efficiency was evaluated using advanced water treatment process and nanofiltration process. The removal efficiency of nanofiltration process was very different according to physical and chemical characteristics of materials. The molecular weight of cutoff was the most influential factor in the removal efficiency. And when pKa value was higher than pH of raw water or Log Kow value was below 2, the removal efficiency of material was decreased. In case of oxidation reaction, the bigger the molecular weight of material was and the more hydrophobic a material was, the less oxidation reaction occurred. And the removal efficiency was decreased. Most unoxidized materials were removed by absorption. And the more actively oxidation reaction occurred by $H_2O_2$, the more absorption reaction increased.
Keywords
Advanced Water Treatment; Nanofiltration; Micro Organic Pollutants; Ozone; Granular Activated Carbon;
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