し尿浄化槽の機能と管理に関する研究(第2報)-汚泥管理の放流水への影響

概要

論文の詳細を見る
Number of domestic plant for night soil treatment has been increasing rapidly. Govermental regulaation for effluent quality and construction has been established some plants discharg filthy effluent because of lack of control, and so an useful control technique has been required. In this study the control technique of the plant was studied. Accumulated sludge volume was estimated from human excretion volume for each plant and calculate the spare room volume of digestion tank. The relation between BOD removal rate and spare room volume is closely related, and if the volume under 0.2m^2,the digestion thnk lost its function and must be cleared up. BOD removal rate of second treatment tank has close relationship with the effluent quality of first treatment tank or digestion tank. The regulation requir more than 65% BOD removal rate for effluent quality, so the rates of first and second tanks should be kept the relation as follow. (1-a)×(1-b)=(1-0.65) a : BOD removal rate of first treatment tank B : BOD removal rate of second treatment tank
大垣女子短期大学の論文
1983-09-30