활성슬러지-인공습지 공법에 의한 돈사폐수처리시스템에서 오염물질의 분획별 정화효율 평가
Evaluation of Treatment Efficiencies of Pollutants under Different Pollutant Fractions in Activated Sludge-Constructed Wetland System for Treating Piggery Wastewater
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
BACKGROUND: To design and develop a constructed wetland for effective livestock wastewater treatment, it is necessary to understand the removal mechanisms of various types of pollutants in constructed wetlands. The objective of this study was to evaluate the treatment efficiency of pollutants under different types of fraction in constructed wetland system for treating piggery wastewater. METHODS AND RESULTS: The piggery wastewater treatment plant that consisted of activated sludge tank,aerobic and anaerobic beds was constructed. The concentration of COD(Chemical oxygen demand) in effluent by fraction was 71.5 mg/L for soluble COD, 142 mg/L insoluble COD. The concentration of SS(Suspended solid) in effluent by existing form was 102 mg/L for volatile SS, 15.5 mg/L for fixed SS. The concentration of T-N(Total nitrogen) and T-P(Total phosphorus) in effluent by existing form were 12.8 mg/L and 3.05 mg/L for dissolved form, 35.0 mg/L and 1.93 mg/L for suspended form. The removal efficiencies of COD, SS, T-N and T-P in hot season(summer and autumn)were higher than those in cold season(spring and winter). The removal efficiencies of COD, SS, T-N and T-P in effluent were 98.0, 99.0, 98.2 and 99.2% for all seasons,respectively. CONCLUSION(S): The results indicated that removal types of pollutants were insoluble COD(ICOD), volatile SS(VSS), dissolved T-N(DTN) and dissolved T-P(DTP) in constructed wetlands for treating piggery wastewater.
Abstract
BACKGROUND: To design and develop a constructed wetland for effective livestock wastewater treatment, it is necessary to understand the removal mechanisms of various types of pollutants in constructed wetlands. The objective of this study was to evaluate the treatment efficiency of pollutants under different types of fraction in constructed wetland system for treating piggery wastewater. METHODS AND RESULTS: The piggery wastewater treatment plant that consisted of activated sludge tank,aerobic and anaerobic beds was constructed. The concentration of COD(Chemical oxygen demand) in effluent by fraction was 71.5 mg/L for soluble COD, 142 mg/L insoluble COD. The concentration of SS(Suspended solid) in effluent by existing form was 102 mg/L for volatile SS, 15.5 mg/L for fixed SS. The concentration of T-N(Total nitrogen) and T-P(Total phosphorus) in effluent by existing form were 12.8 mg/L and 3.05 mg/L for dissolved form, 35.0 mg/L and 1.93 mg/L for suspended form. The removal efficiencies of COD, SS, T-N and T-P in hot season(summer and autumn)were higher than those in cold season(spring and winter). The removal efficiencies of COD, SS, T-N and T-P in effluent were 98.0, 99.0, 98.2 and 99.2% for all seasons,respectively. CONCLUSION(S): The results indicated that removal types of pollutants were insoluble COD(ICOD), volatile SS(VSS), dissolved T-N(DTN) and dissolved T-P(DTP) in constructed wetlands for treating piggery wastewater.
참고문헌 (18)
- Addiscott, T.M., "Tillage, mineralization and leaching:phosphate", Soil&Tillige Research, 53, pp.255~273 (2000)
- APHA, AWWA, WCF., "Standard methods for the examination of water and wastewater", American Public Health Association. Washington. DC, ~ (2005)
- 김동진, "살수여상에서의 질소, 인 제거 미생물 분포 및 질산화 활성 조사", 한국환경과학회지, 18(6), pp.691~698 (2009), 한국환경과학회
- 김아름, "자연정화공법을 이용한 소형 축산폐수처리장치의 최적여재 선정", 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), 44(2), pp.285~292 (2011), 한국토양비료학회
- 이상규, "비점오염물질 저감을 위한 주암호 생태습지의 수생태학적 효율 평가", 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), 45(2), pp.317~324 (2012), 한국토양비료학회
- 임경호, "응집, MAP 결정화 및 MBR을 이용한 슬러리 돈사폐수의 처리", 한국폐기물자원순환학회지, 23(8), pp.656~665 (2006), 한국폐기물자원순환학회
- Min, K.S., "Advanced treatment of piggery wastewater by MAP, precipitation and ozone oxidation process using pilot plant", J. Korea solid waste Engineering Society, 15(16), pp.646~654 (1998)
- Ministry of environmental, "White Paper of Environmental" (2011), Korea
- 박종환, "자연정화공법에 의한 인공습지 축산폐수처리 시스템의 최적 조합방법 및 부하량", 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), 44(2), pp.278~284 (2011), 한국토양비료학회
- 박종환, "자연정화공법에 의한 인공습지에서 효과적인 축산폐수처리를 위한 최적 전처리방법 구명", 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), 44(3), pp.425~433 (2011), 한국토양비료학회
- 박상민, "부패조와 호기성 여과공정을 이용한 영양염류 제거", 한국환경농학회지, 29(3), pp.232~238 (2010), 한국환경농학회
- Seo, D.C., "Phosphorus retention capacity of filter media for estimating the longevity of constructed wetland", Water Research, 39(11), pp.2445~2457 (2005)
- 서동철, "자연정화공법에 의한 인공습지 하수처리장에서 최적 수생식물의 선정", 한국환경농학회지, 25(1), pp.25~33 (2006), 한국환경농학회
- 서동철, "자연정화공법에 의한 하수처리장에서 오염물질의 존재형태별 처리효율", 한국환경농학회지, 25(2), pp.129~137 (2006), 한국환경농학회
- 서동철, "인공습지 축산폐수처리시스템에서 질소 및 인 처리효율 향상 방안", 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), 44(3), pp.434~441 (2011), 한국토양비료학회
- 원철희, "슬러리형 돈사폐수의 혐기성 소화시 암모니아 부하의 영향", 유기물자원화, 17(1), pp.49~57 (2009), 유기성자원학회
- Yang, L., "Nutrient removal in gravel and soil based wetland microcosmos with and without Vegetation", Ecological Engineering, 18, pp.91~105 (2001)
- Yun, C.K., "Feasibility study of constructed wetland for the wastewater treatment in rural area", The Korea Society of Agricultural Engineers, 40(3), pp.83~92 (1998)