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Evaluation of Fluoride Removal Effect with Growth of Attached Microbial Community in Middle and Small Stream

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2018, 27(6), pp.595-603
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

김태경 1 류서영 2 박윤아 1 Lee Jong Jun 1 JOO KWANGJIN 1 Kwang-Hyeon Chang ORD ID 1 Jong-Min Oh 1

1경희대학교
2경희대학교 환경학 및 환경공학과

Accredited

ABSTRACT

This study was conducted to understand the growth of attached microbial community in small and medium streams of Gyeonggi-do and the removal efficiency of fluoride with changes in growth. The sites monitoring were carried out for 12 weeks at the P1 and P2(P1 is the point where the discharge water flows. P2 is the downstream point of about 2 km flow), and investigated the water quality and the biomass analysis of the attached microbial community. The growth of the attached microbial community increased up to the 7th investigation, and it was observed that detachment phenomenon occurred. Influencing factors about growth of the attached microbial community were flow rate, velocity, and organic material(T-N & T-P). Meanwhile, fluoride content of attached microbial community also tended to increase until the 7th investigation, and decrease from the 8th. It is assumed that fluoride content has also be reduced with the detachment phenomenon of the attached microbial community. It is expected that this will contribute to the evaluation and management of the use of attached microbial community as a means of stream management. The application of techniques using the attached microbial community should include basic investigation of factors that may affect the growth of the attached microbial community and replacement of the attachment plate according to the time of removal.

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