The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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Comparison of Bacterial Biomass and Community of Granular Activated Carbon with or without UV Pre-treatment Process

UV 전처리 유무에 따른 입상활성탄의 세균 생체량 및 군집 구조 비교

  • 임재원 (연세대학교 보건과학대학 임상병리학과/대구한의대학교 의과학대학 임상병리학과) ;
  • 김서용 (연세대학교 보건과학대학 임상병리학과) ;
  • 김정용 (연세대학교 보건과학대학 임상병리학과) ;
  • 김태우 (연세대학교 보건과학대학 임상병리학과)
  • Received : 2017.08.23
  • Accepted : 2017.11.07
  • Published : 2017.12.28
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Abstract

Biolgical activated carbon (BAC) processes are known to effectively remove organic pollutants in raw water, and biomass and attached bacterial species play an important role in removing process. In the present study, changes of bacterial biomass in granular activated carbon (GAC) process according to the depth and operating period were investigated. In addition, changes of bacterial biomass were also confirmed after UV exposure prior to the GAC process. Results from this this study showed that the bacterial biomass was decreased dependently according to the depth of GAC process. In case of UV pre-treatment, the bacterial biomass was declined significantly over the period of operation. However, changes in bacterial community were not shown during operation period without UV pre-treatment process. In conclusion, findings from this study may provide the useful information about the management of BAC process.

생물활성탄 공정은 수처리 과정에서 유기 오염물질을 효과적으로 제거하는 것으로 알려져 있으며, 활성탄에 부착된 세균의 생체량과 종은 오염물질 제거 과정에서 중요한 역할을 한다. 본 연구에서는 입상활성탄 공정에서 활성탄조의 깊이와 가동 기간에 따른 세균 생체량의 변화에 대해 확인해 보았다. 또한 입상활성탄공정 전단에 자외선 (UV) 공정 전처리를 하였을 때 세균 생체량의 변화를 확인하였다. 결과를 살펴보면 활성탄조의 깊이가 깊어질수록 세균 생체량이 감소하는 것을 확인하였다. 그리고 UV 공정 전처리를 한 경우, 공정 기간이 증가할수록 세균 생체량이 감소하는 것을 확인하였다. 그러나, UV 공정 전처리를 하지 않은 경우에는 공정 기간에 따른 세균 생체량의 변화가 나타나지 않았다. 본 연구 결과를 토대로 수처리 실공정에서 생물활성탄 공정 관리에 대한 유용한 정보를 제공할 것이라 여겨진다.

Keywords

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