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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.
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초록· 키워드
오류제보하기
Sea food wastewater including high concentration of organics and nutrients is hard to treat stable by established traditional activated sludge process. This research is aimed to obey more and more of strengthened the law and to secure stable effluents by using advanced treatment process applied membrane filter in aeration tank for treatment of wastewater from marine products.
It must maintain pH of influent over 6.0 to keep up stably biological sludge of advanced treatment process. At 38hr of HRT, removal rates of TBOD and TCOD were 99.9% and 99.4$ respectively and TSS also removed with high efficiency. Most organics in the effluent was constituted with soluble type materials, it caused that membrane filter installed aeration tank should remove minute suspended particles. The reactor was operated well to get stable treatment results for operation period, in spite of high loading of organics like that 0.67~1.67㎏TBOD/m?/day of organics loading and 0.10~0.21 ㎏BOD?/㎏MLSS/day of F/M ratio. At 36~48hr of HRT, removal rates of T-N and T-P were 89.7~90.7% and 91.5~96.0% respectively. It means this treatment process also work to remove nutrients of high concentration. Upon investigation of advanced treatment's operation factors, optimum SRT was about 30days and average SNR that showed tendency to increase according to increase water temperature was calculated 0.014 gN/g MLVSS/d SDNR was risen in conformity to increase F/M ratio of Non-aeration tank and investigated as 0.038~0.051 gN/gMLVSS/d.
It must maintain pH of influent over 6.0 to keep up stably biological sludge of advanced treatment process. At 38hr of HRT, removal rates of TBOD and TCOD were 99.9% and 99.4$ respectively and TSS also removed with high efficiency. Most organics in the effluent was constituted with soluble type materials, it caused that membrane filter installed aeration tank should remove minute suspended particles. The reactor was operated well to get stable treatment results for operation period, in spite of high loading of organics like that 0.67~1.67㎏TBOD/m?/day of organics loading and 0.10~0.21 ㎏BOD?/㎏MLSS/day of F/M ratio. At 36~48hr of HRT, removal rates of T-N and T-P were 89.7~90.7% and 91.5~96.0% respectively. It means this treatment process also work to remove nutrients of high concentration. Upon investigation of advanced treatment's operation factors, optimum SRT was about 30days and average SNR that showed tendency to increase according to increase water temperature was calculated 0.014 gN/g MLVSS/d SDNR was risen in conformity to increase F/M ratio of Non-aeration tank and investigated as 0.038~0.051 gN/gMLVSS/d.
목차
Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
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