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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Membrane fouling due to the accumulation of natural organic matter, inorganic components and colloidal/particulate matter on the surface and/or in the pores of the membrane decreases the membrane permeability and therefore impedes the implementation and efficient performance of membranes in the production of drinking water regardless of influent water quality. The objective of this study was carried out to investigate the operating conditions of sand filteration (SF) influencing the permeability performance and fouling of membrane filtration (MF) processes. Applied filtration rates during this experiment were <120 m/d for the SF and 0.5 m3/m2.d for MF. Influent concentration were on average turbidity <130 ntu and total organic carbon (TOC) <11 mg/L. As a result, both SF process and SF/MF system achieved the efficiencies of more than 90% in removing turbid matter, while the removal efficiency of TOC were 10-30% for SF process and 40-60% for SF/MF system. The SF/MF system achieved 2 times higher than that of SF process in removing TOC due to biofiltration by the bio-cake layer formed on the surface of media. For transmembrane pressure (TMP), TMP increasing rate of MF was in proportion to an increasing rate of turbid and organic matters. These results indicate that the introduction of the biofilm sand filter prior to MF process is necessary for membrane fouling mitigation.
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참고문헌 (32)
참고문헌 신청
Cheng, W / 2016 / Behavior of antibiotics and antibiotic resistance genes in eco-agricultural system: a case study / J. Hazard. Mater 304:18~25
Dougherty, JA / 2010 / Occurrence of herbicides and pharmaceutical and personal care products in surface water and groundwater around Liberty Bay, Puget Sound, Washington / J. Environ. Qual 39:1173~1180
Campos, LC / 2002 / Biomass development in slowsand filters / Water Res 36:4543~4551
Haig, SJ / 2011 / Biological aspects of slowsand filtration: past, present and future / Water Sci. Technol. Water Supply 11:468
Escolà Casas, M / 2015 / Can those organic micro-pollutants that are recalcitrantin activated sludge treatment be removed from wastewater by biofilm reactors (slow sand filters) / Sci. Total Environ 506?507:315~322
Dougherty, JA / 2010 / Occurrence of herbicides and pharmaceutical and personal care products in surface water and groundwater around Liberty Bay, Puget Sound, Washington / J. Environ. Qual 39:1173~1180
Campos, LC / 2002 / Biomass development in slowsand filters / Water Res 36:4543~4551
Haig, SJ / 2011 / Biological aspects of slowsand filtration: past, present and future / Water Sci. Technol. Water Supply 11:468
Escolà Casas, M / 2015 / Can those organic micro-pollutants that are recalcitrantin activated sludge treatment be removed from wastewater by biofilm reactors (slow sand filters) / Sci. Total Environ 506?507:315~322
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