活性슬러지 工程에 있어서 酸素利用率과 內呼吸率에 關한 硏究 = On the Oxygen Uptake Rate and Endogenous Respiration Rate in the Activated Sludge Process

다국어 초록 (Multilingual Abstract)

It is very important to find the process variables that reflect the removal rate and capacity of organic matter by the activated sludge.
Stenstrom and Andrews, they show that specific oxygen uptake rate(SPOUR) reflects immediately the presence of shock loads which the tradional food to microorganism (F/M) ratio does not. Thus oxygen uptake rate (OUR) can be an early warning indication abnomal conditions.
This study has two purposes. First is to find the SPOUR and OUR when the synthetic substrate was added or not at the begining stage of reaction. Second is to study the feasibility on the Monod's and Dechamp's mathemetical models. The conclusions are as follows.
(1) The results could be expressed to some extend by Monod's model. when S_o<<K_s, (2) There was no any trends in the application of Dechamp's and Kendrick's model. (3) In order to reduce the concentration of D O from 4mg/ℓ to 1mg/ℓ, it took longer as S_o/X_o ratio was larger and shorter as its ratio was smaller.