豆腐製造廃水の活性汚泥処理における汚泥変換率, 汚泥分解係数の推算

概要

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The waste water from soybean curd manufacture was treated by the activated sludge method in a laboratory scale apparatus (aeration vessel=1.2 l, settling vessel= 0.2 l). Organic matter removal efficiency was 92 to 97%. Sludge yield for organic matter, Y_<X/S> and the sludge decomposition coefficient, μ_L were determined to be 0.6 g MLSS/g COD and 0.12 day^<-1> in a series of continuous flow experiments in which each dilution rate was maintained within the range of 0.5 to 2.0 day^<-1>.The loading rate of organic matter not producing any excess sludge was presumed to be 0.13 g COD/g MLSS/day on the basis of mass balance equation from experiments which were conduted with discharging sludge. This presumed value was practically confirmed in a series of experiments which were carried out without producing any excess sludge.
社団法人日本生物工学会の論文
1977-09-25