Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Estimation of influening factors for efficient anaerobic digestion of high strength ammonia-nitrogen wastewater

고농도 암모니아성 질소 폐수의 효과적인 혐기성 처리를 위한 영향 인자 평가

  • 박세용 (한양대학교 건설환경공학과) ;
  • 박정훈 (한양대학교 건설환경공학과) ;
  • 나효성 (한양대학교 건설환경공학과) ;
  • 김문일 (한양대학교 건설환경공학과)
  • Published : 2012.10.15
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Abstract

In this study, the influencing factors for efficient anaerobic digestion of high strength ammonia-nitrogen wastewater removal were investigated by testing biochemical methane potential test. In the influencing factors, the trace metals which could increase activity of anaerobic microorganisms, microbial concentration and types were evaluated. In the results, trace metals supplementation showed gas production amount higher than those without addition of trace metals. Among the tested trace metals, B, Ni, and Se were preferable to gas production. In the result of gas production according to the microbial concentration, the amount of gas production was proportional to the microbial concentration. In addition, the shortest lag time and the fastest gas production rate were achieved when the highest microbial concentration was tested. granule-type microorganism produced more gas than suspended-type microorganism. In conclusion, the efficient anaerobic digestion for high strength ammonia-nitrogen wastewater removal could be achieved by applying necessary trace metals injection and high concentration granule type microorganism.

Keywords

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