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Removal of cesium(137Cs) and iodide(127I) by microfiltration·nanofiltration·reverese osmosis membranes

정밀여과·나노여과·역삼투 막에 의한 세슘과 요오드의 제거

  • Chae, Seon-Ha (K-water Institute of Water and Environment Water Research Center) ;
  • Kim, Chung-Hwan (K-water Institute of Water and Environment Water Research Center)
  • 채선하 (한국수자원공사 K-water 연구원) ;
  • 김충환 (한국수자원공사 K-water 연구원)
  • Received : 2014.07.17
  • Accepted : 2014.09.15
  • Published : 2014.10.15

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 ($I^-$) and cesium ($Cs^+$) using membranes produced in Korea and domestic raw water. Iodine ($I^-$) or cesium ($Cs^+$) 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 ($I^-$) and cesium ($Cs^+$) and likely to be an alternative process for the removal of radioactive material.

Keywords

References

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