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http://dx.doi.org/10.4491/KSEE.2011.33.7.485

Development of Influent Controlled Membrane Bioreactor for Biological Nutrient Removal on Municipal Wastewater  

Park, Jong-Bu (Research Institute of Technology, Hanwha E&C Corp.)
Shin, Kyung-Sook (Research Institute of Technology, Hanwha E&C Corp.)
Hur, Hyung-Woo (Research Institute of Technology, Hanwha E&C Corp.)
Kang, Ho (Department of Environmental Engineering, Chungnam University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.7, 2011 , pp. 485-491 More about this Journal
Abstract
This study was performed to investigate the characteristics of nutrient removal of municipal wastewater in membrane bioreactor system. Membrane bioreactor consists of four reactors such as two intermittently anaerobic tanks, the oxic tank and the sludge solubilizaion tank with an internal recycle. The hydraulic retention time (HRT) and flux were 6.5 hours and $20.4L/m^2{\cdot}hr$ (LMH), respectively. The removal efficiency of $COD_{Cr}$, SS, TN and TP were 94.0%, 99.3%, 99.9%, 69.9%, and 66.9%, respectively. The estimated true biomass yield, specific denitrification rate (SDNR), specific nitrification rate (SNR), specific phosphorus release rate (SPRR) and specific phosphorus uptake rate (SPUR) were 0.34 kgVSS/kgBOD d, $0.067mgNO_3-N/mgVSS{\cdot}d$, $0.028mgNH_4-N/mgVSS{\cdot}d$, 16.0 mgP/gVSS d and 2.1 mgP/gVSS d, respectively. The contents of nitrogen and phosphorus of biomass were 8.9% and 3.5% on an average.
Keywords
Intermittently Anaerobic; Membrane; SNR; SDNR; SPRR; SPUR;
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Times Cited By KSCI : 4  (Citation Analysis)
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