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Analysis of COD fraction and change of COD in nitritation reactor using various wastewater
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  • Journal title : Journal of Wetlands Research
  • Volume 17, Issue 4,  2015, pp.421-427
  • Publisher : Korean Wetlands Society
  • DOI : 10.17663/JWR.2015.17.4.421
 Title & Authors
Analysis of COD fraction and change of COD in nitritation reactor using various wastewater
Im, Jiyeol; Gil, Kyungik;
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 Abstract
In ASM model, organic matters are classified according to their characteristics and general classification into COD and BOD cannot satisfy conditions required by ASM. In this study, it was performed to study classification of organic matters required by ASM on the basis of microorganisms' respiration rate subject to wastewater and sludge treatment. As results of analysis of the organic matter's appearance, it was found that there were some differences in composition of organic matters between wastewaters. It is considered that it is an important characteristic of wastewater that should be understood in treating wastewater in each process. Therefore, it is considered that appearance of organic matters in each wastewater identified by this study will be used as important basic data for operation of municipal wastewater treatment plant. It was identified that SS was an important factor affecting nitrification through organic matter and ammonium nitrogen change analysis according to reaction time in the nitrification. It is considered that the nitrification has close relationship with choice of optimal retention time.
 Keywords
Municipal wastewater treatment plant;recycle water;nitritation;nitrogen removal;COD fraction;
 Language
Korean
 Cited by
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