혐기성(嫌氣性) 소화방식(消化方式)에 의한 분뇨(糞尿)와 정화조(淨化槽)슬러지의 혼합처리(混合處理) 실험(實驗)에 관한 연구(硏究) Treatability Study for the Nightsoil and Septic Tank Sludge by Anaerobic Digestion원문보기
This study was performed to increase the treatment efficiency of the existing anaerobic digestion facilities of the nightsoil treatment plants. Bench-scale anaerobic digesters were operated to evaluate the effect of the ratio (7:3 and 9:1) of the mixture of nightsoil and septic tank sludge on treatm...
This study was performed to increase the treatment efficiency of the existing anaerobic digestion facilities of the nightsoil treatment plants. Bench-scale anaerobic digesters were operated to evaluate the effect of the ratio (7:3 and 9:1) of the mixture of nightsoil and septic tank sludge on treatment efficiency. The laboratory experiments have demonstrated that the ratio of the mixture does have an effect on the organic removal efficiency. The nightsoil to septage ratio of 7 to 3 appears to yield a higher efficiency than the ratio of 9 to 1. The percent removals of 7 to 3 ratio are 87 % BOD, 82 % COD, 66 % TS, and 78 %. VS whereas those of 9 to 1 ratio are 80 % BOD, 80 % COD, 63 % TS, and 76 % VS. This study also showed that the mixed treatment of the nightsoil and septic tank sludge will be possible at the nightsoil treatment plant.
This study was performed to increase the treatment efficiency of the existing anaerobic digestion facilities of the nightsoil treatment plants. Bench-scale anaerobic digesters were operated to evaluate the effect of the ratio (7:3 and 9:1) of the mixture of nightsoil and septic tank sludge on treatment efficiency. The laboratory experiments have demonstrated that the ratio of the mixture does have an effect on the organic removal efficiency. The nightsoil to septage ratio of 7 to 3 appears to yield a higher efficiency than the ratio of 9 to 1. The percent removals of 7 to 3 ratio are 87 % BOD, 82 % COD, 66 % TS, and 78 %. VS whereas those of 9 to 1 ratio are 80 % BOD, 80 % COD, 63 % TS, and 76 % VS. This study also showed that the mixed treatment of the nightsoil and septic tank sludge will be possible at the nightsoil treatment plant.
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