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.
이용수12
1. 서론 11.1 연구배경 및 목적 11.2 연구내용 및 범위 22. 이론적 배경 42.1 생물학적 질소·인 제거 42.1.1 생물학적 질소 제거 42.1.2 생물학적 인 제거 122.2 미생물 고정화법 172.2.1 미생물 고정화 172.2.2 미생물 고정화 기법 182.3 슬러지 감량화 202.3.1 국내 하수슬러지 현황 202.3.2 슬러지 감량화 선행 연구 213. 연구 내용 및 방법 233.1 연구 재료 233.1.1 미생물 고정화 담체 제작 233.1.2 대상원수 243.2 미생물 고정화 담체 특성 분석 253.2.1 담체 표면 및 내부 분석 253.2.2 담체 내 미생물량 분석 263.2.3 NGS 기법을 통한 미생물 군집분석 263.2.4 담체의 흡착여부 분석 303.3 Lab-test를 통한 운전 성능 평가 323.3.1 유입원수 성상분석 323.3.2 실험 장치 및 운전 모드 설정 343.3.3 슬러지 감량화 평가 373.3.4 Membrane 사양 383.3.5 수질분석항목 및 측정방법 394. 실험결과 및 고찰 414.1 미생물 고정화 담체 특성 분석 414.1.1 SEM/EDX 분석 414.1.2 담체 내 MLVSS 분석 464.1.3 미생물 군집 분석 474.1.4 담체의 흡착여부 분석 614.2 Lab-test를 통한 운전 성능 평가 654.2.1 유입원수 성상분석 654.2.2 운전 성능 평가 734.2.3 슬러지 감량화 평가 935. 결론 97References 100Abstract 110List of TablesTable 2-1 Relationship between BOD/TKN ratio and the fraction of nitrifying bacteria 12Table 2-2 Sewage sludge production 21Table 3-1 Influent wastewater quality during operation 25Table 3-2 Sequence of the primers for PCR amplification 28Table 3-3 Process and program for NGS analysis 30Table 3-4 Synthetic wastewater composition 32Table 3-5 Operation conditions on mode 36Table 3-6 Specification of membrane 39Table 3-7 Analytical items and methods for this study 40Table 4-1 Elements analysis of control media and microorganism immobilized media 46Table 4-2 MLSS and MLVSS concentration of media 47Table 4-3 Final QC result of DNA original samples 47Table 4-4 Library QC result of DNA samples 50Table 4-5 Raw data of sample 51Table 4-6 Assembly data of sample 51Table 4-7 Pre-processing and clustering data of sample 51Table 4-8 Ratio of taxonomy abundance in the phylum level 53Table 4-9 Ratio of taxonomy abundance of aerobic media in the genus level 57Table 4-10 Ratio of taxonomy abundance of anoxic media in the genus level 58Table 4-11 Analysis of community diversity 60Table 4-12 Adsorption capacity results by items 64Table 4-13 Analysis of influent wastewater quality 65Table 4-14 CODCr concentration for YH 67Table 4-15 SKN, NH4+-N and SNI concentration in batch reactor 69Table 4-16 Comparison of COD fraction with other studies 72Table 4-17 Nitrogen fraction of influent wastewater in this study 73Table 4-18 Distribution of total organic carbon in the influent and effluent 81Table 4-19 Flow rate, sludge production and sludge load rate at flow rate in J water reclamation center and lab scale reactor 95List of FiguresFig. 2-1 Schematic diagram of nitrogen transformation 5Fig. 2-2 Behavior of soluble BOD and phosphorus in phosphorus removal reactor 14Fig. 2-3 Schematic diagram of biological phosphorus removal 14Fig. 3-1 Photographs of media 24Fig. 3-2 SEM/EDX equipment 26Fig. 3-3 Overview of NGS method 27Fig. 3-4 The PCR conditions 29Fig. 3-5 Photograph of batch-test reactor for adsorption capacity evaluation 31Fig. 3-6 Photograph of batch-test reactor for SI, SNI and YH 33Fig. 3-7 Photograph of apparatus for OUR test 34Fig. 3-8 Schematic flow diagram of process 36Fig. 3-9 Photograph of lab scale reactor 37Fig. 3-10 Photograph of membrane on lab scale reactor 38Fig. 4-1 SEM image of control media 42Fig. 4-2 SEM image of microorganism immobilized media 44Fig. 4-3 EDX analysis result of control media 45Fig. 4-4 EDX analysis result of microorganism immobilized media 45Fig. 4-5 GS FLX library QC of samples 49Fig. 4-6 Bar type of taxonomy abundance in the phylum level 52Fig. 4-7 Bar type of taxonomy abundance in the genus level 56Fig. 4-8 Shannon index and inverse simpson index 60Fig. 4-9 Rarefaction curve 61Fig. 4-10 NH4+-N and T-P concentrations in nitrification 62Fig. 4-11 NO3--N and CODCr concentration in denitrification 62Fig. 4-12 Adsorption capacity on control 63Fig. 4-13 SCOD concentration for SI 68Fig. 4-14 OUR curve for SS and XS 71Fig. 4-15 TCODCr concentration of lab-test 75Fig. 4-16 SCODCr concentration of lab-test 76Fig. 4-17 TOC concentration of lab-test 77Fig. 4-18 DOC concentration of lab-test 77Fig. 4-19 POC concentration of lab-test 78Fig. 4-20 Distribution of total organic carbon in the influent 79Fig. 4-21 Distribution of total organic carbon in the effluent 80Fig. 4-22 NH4+-N concentration of lab-test 83Fig. 4-23 NO3--N concentration of lab-test 83Fig. 4-24 TKN concentration of lab-test 85Fig. 4-25 SKN concentration of lab-test 85Fig. 4-26 T-N concentration of lab-test 87Fig. 4-27 S-N concentration of lab-test 88Fig. 4-28 T-P concentration of lab-test 90Fig. 4-29 S-P concentration of lab-test 90Fig. 4-30 TSS concentration of lab-test 92Fig. 4-31 VSS concentration of lab-test 92Fig. 4-32 Excess sludge production in lab scale reactor 93Fig. 4-33 Excess and total sludge load rate of J water reclamation and lab scale reactor 96
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