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Application of PAC-Membrane System for Treating Groundwater Contaminated with Chlorinated Organic Compounds  

Lim, Joong-Kun (Public Health & Environmental Research Institute, Gyeongsangnam-do)
Kang, Min-Su (Hyorim Industries Inc.)
Kang, Lim-Seok (Department of Environmental Engineering, Pukyong National University)
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Abstract
Groundwater is naturally of excellent microbiological qualify and generally of adequate quality for drinking water use. However, recently, the impact of urbanization and intensification of agricultural production have led to serious deterioration in groundwater quality. The representative SOCs used in this study were trichloroethylene (TCE) and tetrachloroethylene (PCE). Powdered activated carbon (PAC) is widely used for SOCs removal. The overall goal of this study was to demonstrate the feasibility of using a hybrid use of PAC-UF and PAC-MF processes for treating groundwater contaminated with TCE and PCE. The results show that the flux decline rate was lower for the PAC-UF or PAC-MF process than for UF or MF only process. Therefore, applying PAC before UF or MF membrane filtration showed not only enhancing the removal of TCE and PCE, but also reducing membrane fouling.
Keywords
TCE; PCE; PAC; PAC-Membrane System;
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