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http://dx.doi.org/10.14481/jkges.2011.12.2.6

Evaluation and Comparative Physical/Biological Removal Performance for Extremely Low-Concentration NDMA(N-nitrosodimethylamine)  

Park, Seyong (한양대학교 건설환경공학과)
Kim, Hui Joo (한양대학교 건설환경공학과)
Kim, Moonil (한양대학교 건설환경공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.12, no.2, 2011 , pp. 55-61 More about this Journal
Abstract
NDMA(N-Nitrosodimethylamine) has been considered as a carcinogenic pollutant even at extremely low-concentration (10ng/L). However, previous researches on NDMA have focused on mainly high concentration due to a difficulty of analysis. In this study, removal efficiencies were evaluated for individual or combined methods with PAC(Powder Activated Carbon), GS(Granular Sludge), MF(Microfiltration), UF(Ultrafiltration) and Silica gel(MCM-41, Diatomite, Spherical silica gel) at both aerobic and anaerobic conditions. Combined method of GS, PAC and UF membrane at anaerobic condition showed the highest removal efficiency of 65% while Silica gel showed the lowest removal efficiency of 6%. The outcomes of this study could be used further study of extremely low-concentration NDMA removal.
Keywords
Extremely Low-Concentration NDMA(N-nitrosodimethylamine); PAC(Powdered Activated Carbon); GS(Granular Sludge); MF(Microfiltration)/UF(Ultrafiltration); Silica gel;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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