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The Influence of Different Adaptation Substrates on Denitrification Rate of the Anaerobic Sludge  

Park, Sang-Min (Center for Environmental technology Research, Korea Institute of Science and Technology(KIST))
Jun, Hang-Bae (Dept. of Environmental Engineering, Chungbuk National University)
Park, Chan-il (Dept. of Environmental Engineering, Chungbuk National University)
So, Kyu-Ho (National Academy of Agricultural Science, Rural Development Administration(RDA))
Park, Noh-Back (National Academy of Agricultural Science, Rural Development Administration(RDA))
Publication Information
Korean Journal of Soil Science and Fertilizer / v.42, no.3, 2009 , pp. 214-221 More about this Journal
Abstract
Denitrification efficiency associated with incorporation of the diffrent carbon substrates with the anaerobic sludge was investigated. For this each kinetic constant such as methane reaction and specific denitrification rate (SDNR) were determined in each treated sludge. In the pure methanogenesis, the specific methanogenesis activity (SMA) value was the highest at $0.76COD/g\;VSS{\cdot}day$ when the acetate was incorporated with the anaerobic sludge which has already been adapted at consistent C/N ratio 5 for reatively higher denitrifier population. The anaerobic dinitrificaition and methanogenesis reaction were dependent on both the types of carbon substrate and sludge showing the higher denitrificaition reaction constant at $1.96hr^{-1}$ with incorporation of acetate with the anaerobic sludge at C/N ratio 5 than any other carbon sources examined. When the glucose was introduced as electron donor for the anaerobic sludge adapted with different carbon substrates the SDNR showed the highest value with the sludge adapted to glucose followed by the sludge adapted to piggery sludge and acetate.
Keywords
Anaerobic sludge; SDNR(specific denitrification rate); SMA(specific methanogenesis activity); carbon source;
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Times Cited By KSCI : 2  (Citation Analysis)
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