Abstract
This study was evaluated the applicability of the membrane filtration process (Micro Filtration (MF), nanofiltration membranes (NF), reverse osmosis (RO)) on the major radioactive substances, iodine (<TEX>$I^-$</TEX>) and cesium (<TEX>$Cs^+$</TEX>) using membranes produced in Korea and domestic raw water. Iodine (<TEX>$I^-$</TEX>) or cesium (<TEX>$Cs^+$</TEX>) in the microfiltration membrane (MF) process could not be expected removal efficiency by eliminating marginally at the combined state with colloidal and turbidity material. At the domestic raw water (lake water, turbidity 1.2 NTU, DOC 1.3 mg/L) conditions, nanofiltration membrane (NF) and reverse osmosis (RO) showed a high removal rate of about 88 ~ 99% for iodine (<TEX>$I^-$</TEX>) and cesium (<TEX>$Cs^+$</TEX>) and likely to be an alternative process for the removal of radioactive material.
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