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Development of membrane filtration technology and its application to water supply
Kunikane, Shoichi,Itoh, Masaki,Magara, Yasumoto 嶺南大學校 環境問題硏究所 1998 環境硏究 Vol.18 No.1
Abstract 'MAC 21' and 'New 21' Projects were implemented for the development of membrane technology in Japan. 'MAC 21' Project included a series of pilot-scale experiment on micro- and ultrafiltration (MF and UF, respectively). As the result, it has been shown that MF and UF are excellent in the removal of turbidity and bacteria. 'New MAC 21' Project included various pilot-scale experiments on 1) nanofiltration (NF) after MF/UF, and 2) MF/UF combined with advanced treatment processes such as activated carbon treatment, ozonation and biological treatment. As the result, it has been shown that both of these two treatment systems can remove organic contaminants such as precursors of disinfection by-products well, and, especially, NF is excellent in their removal.