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경로도형 구축을 통한 하수처리장 질소 및 인 제거 영향인자 파악에 관한 연구
조영대 ( Yeongdae Cho ),이슬아 ( Seul-ah Lee ),김민수 ( Minsoo Kim ),김효수 ( Hyosoo Kim ),최명원 ( Myungwon Choi ),김예진 ( Yejin Kim ) 한국환경과학회 2018 한국환경과학회지 Vol.27 No.11
In this study, an operational data set was analysed by establishing a path model to figure out the actual cause-effect relationship of a wastewater treatment plant (WWTP); in particular, for the effluent concentrations of T-N and T-P. To develop the path models, data sets of operational records including effluent concentrations and operational factors were obtained from a field scale WWTP of 680,000 ㎥ of treatment capacity. The models showed that the relationship networks with the correlation coefficients between variables for objective expressions indicated the strength of each relationship. The suggested path models were verified according to whether the analyzation results matched known theories well, but sophisticated minute theoric relationships could not be cropped out distinctly. This indicates that only a few paths with strong theoric casual relationships were represented as measured data due to the high non-linearity of the mechanism of the removal process in a biological wastewater treatment.