A Sewage Treatment Process Using Highly Condensed Activated Sludge with an Apparatus for Magnetic Separation
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概要
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A 5 l aeration tank containing a separation apparatus composed of a rotary magnetic disk and a scraper was prepared for sewage treatment. A 100-d experiment was carried out using highly condensed activated sludge (7-12 gl^<-1> mixed-liquor volatile suspended solids) which is magnetized by adding magnetite powder, under the COD_<Cr> loading rate of 0.81 gl^<-1> d^<-1> without withdrawal of excess sludge. The magnetized activated sludge was separated by the rotary magnetic disk from the treated water and returned to the aeration tank by means of a scraper. After the 10th d, COD_<Cr> in the treated water as effluent became constant at around 10-20 mgl^<-1>.
- 社団法人日本生物工学会の論文
- 1994-07-25
著者
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SAKAI Yasuzo
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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TAKAHASHI Fujio
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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Sakai Yasuzo
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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TERAKADO TOSHINARI
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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Takahashi Fujio
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Terakado Toshinari
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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