@article{oai:muroran-it.repo.nii.ac.jp:00005567, author = {Bi, Tozan Michel N'guessan and ビ, トザン ミッシェル エンギッソン and 穂積, 準 and HOZUMI, Hitoshi and 吉田, 英樹 and YOSHIDA, Hideki and UEDA, Hironobu and 上田, 浩伸}, journal = {環境工学研究論文集}, month = {Nov}, note = {application/pdf, lower part has been proposed for the direct filtration of secondary waste water effluent from an activated sludge treatment plant. Filtration without coagulation gave, for the model proposed, a filter run length five times that of the single sand bed filter at the rate of 120 m/day. Laboratory experiments were carried out to evaluate the optimum values of pH and aluminum dosage that gave a color removal of up to 70%. Coagulant-assisted filtration without pH control gave a color removal of up to 40%. The filter performance was measured in terms of (1)filter run length and (2)removal of color, COD and phosphate.}, pages = {267--273}, title = {Direct Filtration of Secondary Waste Water Effluent by a Dual Media Filter}, volume = {30}, year = {1993}, yomi = {ホズミ, ヒトシ and ヨシダ, ヒデキ and ウエダ, ヒロノブ} }