지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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The objective of this research was to evaluate the biofilm and sludge granular process as a pretreatment for reducing organic and toxicants from blackwater and leachate. At COD loading rates of 1.8 - 3.6 kg/m3.day, percentages of COD, TN, TP and heavy metals removal averaged for ceramic media, 64.8-98.0%, 51.4-87.6%, 73.7-88.7% and 75.6-86.1%, and for fabric media, 54.3-88.6%, 38.8-78.4%, 46.9-81.7% and 55-69%, respectively. For AGS-SBR with HRT 4-6hrs, mean diameter of 1.5 - 2.5 mm were formed generally bigger than upper layer of the reactor. Removal efficiencies ranged from 90 to 98% for COD, 70 to 80% for TN, and 80 to 90% for TP, respectively. Based on the above results, the biological processes was appropriate for pretreating black water and leachate. The biofilm process for high ratio of leachate and aerobic granular sludge process for high ratio of black water in mixed wastewater were appropriate as an alternatiive pretreatment process.
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