Advanced Treatment of High-Strength Wastewater by a Submerged Bio-Film Process

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概要

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• A submerged bio-film process was studied as a tertiary treatment to decrease the BOD of secondary effluent from a combined chemical-biological treatment of high-strength wastewater to below the permitted limit (30 mg/l) for waste facilities in Japan.The operational conditions to keep the final effluent below 30 mg/l of BOD were as follows : the influent BOD to the bio-film tank should be under 300 mg/l and a BOD-surface loading should be below 2 g/m^2/d. The influent pH of 9.0-12.5 did not affeft the treatment efficiency unfavorably. Acclimation is the compensating factor for variations of pH in this process. Removal rates of suspended solids were not influenced by BOD-surface loading. The calculated BOD removal coefficient was 2.57×10<-5> when the influent BOD was below 300 mg/l.

• 公益社団法人日本生物工学会の論文
• 1986-08-25

著者

• Takamizawa Kazuhiro

  Osaka City Institute Of Public Health And Environmental Sciences

• HONDA ATSUHIRO

  Faculty of Engineering, Osaka City University

関連論文

• Application of a Combined Chemical-Biological Treatment to High-Strength Wastewater
• Advanced Treatment of High-Strength Wastewater by a Submerged Bio-Film Process

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