상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제27권1호
  • /
  • Pages.69-76
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  • 2013
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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Mixotrophic 미세조류를 이용한 유기물 및 영양염류 제거에 미치는 pH 및 폭기의 영향

Effects of pH and aeration rates on removal of organic matter and nutrients using mixotrophic microalgae

  • 김선진 (경희대학교 공과대학 환경공학과.환경연구센터) ;
  • 이윤희 (경희대학교 공과대학 환경공학과.환경연구센터) ;
  • 황선진 (경희대학교 공과대학 환경공학과.환경연구센터)
  • Kim, Sunjin (Department of Environmental Science and Engineering, Center for Environmental Studies, Kyung Hee University) ;
  • Lee, Yunhee (Department of Environmental Science and Engineering, Center for Environmental Studies, Kyung Hee University) ;
  • Hwang, Sun-Jin (Department of Environmental Science and Engineering, Center for Environmental Studies, Kyung Hee University)
  • 투고 : 2012.12.18
  • 심사 : 2013.02.08
  • 발행 : 2013.02.15
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초록

Specific growth rate and removal rate of nitrogen and phosphorus of Chlorella sorokiniana, Chlorella vulgaris, Senedesmus dimorphus those are able to metabolite mixotrophically and have high nitrogen and phosphorus removal capacity were examined. Based on the results, one microalgae was selected and conducted experiments to identify the operating factors such as pH and aeration rate. The specific growth rate and phosphorus removal rate of C. sorokiniana significantly presented as $0.29day^{-1}$ and 1.65 mg-P/L/day, while the nitrogen removal rate was high as 12.7 mg-N/L with C. vulgaris. C. sorokiniana was chosen for appropriate microalgae to applying for wastewater treatment system and was cultured in pH ranged 3 to 11. High specific growth rate and removal rate of nitrogen and phosphorus were shown at pH 7 as $0.71day^{-1}$, 7.61 mg-N/L/day, and 1.24 mg-P/L/day, respectively. The specific growth rate examined with aeration rate between 0 and 2 vvm (vol/vol-min) highly presented as $1.2day^{-1}$ with 1.5 ~ 2 vvm, while the nitrogen removal rate was elevated with 0.5 vvm as 9.43 mg-N/L/day.

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피인용 문헌

  1. 미세조류를 이용한 오·폐수 영양염류 제거효율 평가 vol.50, pp.2, 2013, https://doi.org/10.11614/ksl.2017.50.2.187
  2. Ankistrodesmus bibraianus의 최적 배양조건 설정을 통한 수질오염물질 제거 및 축산 폐수 처리 적용 vol.38, pp.1, 2020, https://doi.org/10.11626/kjeb.2020.38.1.082