지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The objective of this study was to investigate the charateristics of flux, transmembrane pressure (TMP), and substrate reduction for biological wastewater treatment processes coupled with menbrane filteration (MF) and to evaluate the comparative performance of aerobic process/MF, anaerobic-aerobic (ANO) process/MF, and ANO-granular activated carbon (GAC) filter/MF processes on the reclamation and reuse of wastewater. The characteristics of real wastewater used for this study was: COD 5.5-14.8 mg/L, SS 0.3-16.0mg/L, T-N 3.647-13.415mg/L, T-P 0.114-3.217mg/L. As a result, the flux of the MF decreased rapidly within about 2 min of filtration time regardless of TMP and the water qualities treated by the processes. This initial low flux resulted in the clogging of the membrane pore due to particular and organic matters in the effluent from the processes. The substrate removal rate of the MF process increased with decreasing TMP regardless of pollutants. The above results showed that the optimum TMP was 0.4 bar for the processes. The results suggest that the GAC bed after the ANO process is needed to decrease TMP and to obtain the reuse water with a good quality.
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