A research on advanced treatment of activated sludge-treated dye wastewater using active carbon biofilm method.

概要

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In the treatment of textile dyeing wastewater, the biochemical process is commonly used. However, as the increase of water-soluble dyes, surfactans and chemical pulp, and higher demand for decolorizing, the conventional biochemical processes have been found not so efficient. In this study, the biofil immobilized onto activated carvon was used to take a further treatment of the texile dyeing waste-water treated previously by the activated sludge process. The CODcr of treated wastewater was less than 50mg/l and the colority was less than 4.5. Thus the treated water can be recovered and reused.
環境技術学会の論文