대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제36권12호
  • /
  • Pages.858-864
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  • 2014
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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BAC 공정에서의 합성 향물질류 생물분해 특성 : 생물분해 동력학

Biodegradation of Synthetic Fragrances in Biological Activated Carbon (BAC) Process : Biodegradation Kinetic

  • 서창동 (부산광역시 상수도사업본부 수질연구소) ;
  • 손희종 (부산광역시 상수도사업본부 수질연구소) ;
  • 류동춘 (부산광역시 상수도사업본부 수질연구소) ;
  • 강소원 (프리드리히-알렉산더대학교 생명화학공학과) ;
  • 장성호 (부산대학교 바이오환경에너지학과)
  • Seo, Chang-Dong (Water Quality Institute, Water Authority) ;
  • Son, Hee-Jong (Water Quality Institute, Water Authority) ;
  • Ryu, Dong-Choon (Water Quality Institute, Water Authority) ;
  • Kang, So-Won (Department of Bio-chemical Engineering, Friedrich-Alexander University) ;
  • Jang, Seong-Ho (Department of Bioenvironmental Energy, Pusan National University)
  • 투고 : 2014.11.12
  • 심사 : 2014.12.30
  • 발행 : 2014.12.31
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초록

생물활성탄(BAC)과 안트라사이트 biofilter에서의 공탑 체류시간(EBCT) 및 수온의 변화에 따른 8종의 합성 향물질류의 생물분해 특성을 평가하였다. 수온 $7^{\circ}C$와 $18^{\circ}C$에서 EBCT를 5분~15분까지 변화시켜 실험하였다. 생물활성탄 공정에서 합성 향물질류 8종의 생물분해율은 EBCT와 수온에 따라 큰 영향을 받았으며 EBCT와 수온이 증가할수록 생물분해율이 증가하였으며, 합성 향물질류의 종류에 따른 생물활성탄 공정에서의 생물분해율은 대환 사향류인 pentalide와 ambrettolide가 가장 높았으며, 다환 사향류인 DPMI와 ADBI가 가장 낮았다. 합성 향물질류 8종에 대한 BAC 공정에서의 생물분해 속도상수($k_{bio}$)는 수온이 $7^{\circ}C$에서 $18^{\circ}C$로 상승하였을 경우, $0.1184{\sim}0.6545min^{-1}$에서 $0.3087{\sim}0.9173min^{-1}$로 증가하여 1.4~2.6배 정도 증가하였다.

In this study, The effects of empty bed contact time (EBCT) and water temperature on the biodegradation of 8 synthetic fragrances (SFs) in biological activated carbon (BAC) process were investigated. Experiments were conducted at two water temperatures (7 and $18^{\circ}C$) and three EBCTs (5, 10 and 15 min). Increasing EBCT and water temperature increased the biodegradation efficiency of SFs in BAC column. Pentalide and ambrettolide were the highest biodegradation efficiency, but DPMI and ADBI were the lowest. The kinetic analysis suggested a pseudo-first-order reaction model for biodegradation of 8 SFs at various water temperatures and EBCTs. The pseudo-first-order biodegradation rate constants ($k_{bio}$) of 8 SFs ranging from $0.1184{\sim}0.6545min^{-1}$ at $7^{\circ}C$ to $0.3087{\sim}0.9173min^{-1}$ at $18^{\circ}C$. By increasing the water temperature from $7^{\circ}C$ to $18^{\circ}C$, the biodegradation rate constants ($k_{bio}$) were increased 1.4~2.6 times.

키워드

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피인용 문헌

  1. Evaluation of Biodegradation Kinetic in Biological Activated Carbon (BAC) Process for Drinking Waste Treatment : Effects of EBCT and Water Temperature vol.37, pp.7, 2015, https://doi.org/10.4491/KSEE.2015.37.7.404