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Detection of Extremely Low Concentration Compound and Adsorption by Activated Carbon  

Lee, Sung-Bum (Department of Civil Engineering, Hanyang University)
Yoon, Yeo-Min (CH2ML HILL KOREA)
Choi, Chang-Kyoo (Department of Civil Engineering, Hanyang University)
Jung, Jin-Wook (R&D Center, Samsung Engineering)
Lee, Yong-Woo (R&D Center, Samsung Engineering)
Park, Se-Yong (Department of Civil Engineering, Hanyang University)
Kim, Moon-Il (Department of Civil Engineering, Hanyang University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.30, no.9, 2008 , pp. 913-917 More about this Journal
Abstract
Since the difficulty of analysis at low concentration and the uncertainty of the removal mechanism for Nitrosodimethylamine (NDMA) have been reported, this study has detected extremely low concentration $^{14}$C-NDMA using the LSC(Liquid Scintillation Counter) and tested NDMA removal by Powdered Activated Carbon(PAC). The results showed the highest correlation over 99% when samples were measured with the mixture ratio of sample to scintillation liquid of 10 : 10 and at the detection time of 10 min. For $^{14}$C-NDMA removal by the PACs(S-A(Sigma-Aldrich co.) and Dj(Daejung co.)) raging from 50$\sim$10,000 mg/L, $^{14}$C-NDMA was removed over 90% by adsorption treatment. In addition, S-A showed twice greater adsorption capacity than that of Dj. However, the required PAC amount for $^{14}$C-NDMA removal was higher than that of other amine compounds.
Keywords
NDMA; Liquid Scintillation Counter; Adsorption; Disinfection by Product;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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