Environmental Engineering Research

Korean Society of Environmental Engineers (대한환경공학회)
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Development of Transport Parameters affecting on the Removal of Micro Organic Compounds such as Disinfection By-Products and Pharmaceutically Active Compounds by Low-Pressure Nanofiltration

  • Oh, Jeong-Ik (Housing & Urban Research Institute, Korea National Housing Corporation) ;
  • Yamamoto, Kazuo (Environmental Science Research Center, University of Tokyo)
  • Published : 2009.06.30
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Abstract

This study investigated the removal characteristics of various micro organic compounds by low-pressure nanofiltration membranes comprised of disinfection by products and pharmaceutically active compounds. The experimental removal of micro organic compounds by low-pressure nanofiltration membranes was compared with the transport model calculations, which consist of diffusion and convection terms including steric hindrance factor. The selected molecule from the disinfection byproducts and pharmaceutical active compounds showed a much lower removal than polysac-charides with a similar molecular size. However,the difference between model calculation and experimental removal of disinfection by-products and pharmaceutically active compounds could be corrected. The correlation of Ks with solute radius was further considered to clarity transport phenomena of micro organic solutes through nanofiltration membranes.

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