급속 OUR 모니터링을 이용한 폐수내 COD 분율 예측

초록

In this study, rapid Oxygen Uptake Rate(OUR) monitoring method was used predicting influent COD fractionation. Optimal F/M ratio range of 0.03∼0.05 was found using synthetic wastewater, which was made by glucose, to confirm variation tendency of OUR curve within 20 minutes. And then, influent Readily Biodegradable COD(RBCOD) variation characteristics were determined through microorganism respiration ratio with the calculated F/M ratio for various wastewater. In conclusion, the method using OUR for prediction of influent RBCOD could be applied for domestic wastewater similar to synthetic wastewater in appropriate time, but not for treated industrial wastewater. In addition, RBCOD of domestic wastewater and treated industrial wastewater were 50 and 6%, respectively.

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