Journal of the Korean Recycled Construction Resources Institute (한국건설순환자원학회논문집)

Korean Recycled Construction Resources Institute (한국건설순환자원학회)
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Evaluation on Odor Removal Performance of Bacteria-Based Odor Reduction Kit for Revetment Blocks

호안블록용 박테리아 기반 악취저감 키트의 악취제거 성능평가

  • Keun-Hyoek Yang (Department of Architectural Engineering, Kyonggi University) ;
  • Ju-Hyun Mun (Department of Architectural Engineering, Kyonggi University) ;
  • Ki-Tae Jeong (Department of Architectural Engineering, Kyonggi University) ;
  • Hyun-Sub Yoon (Korea Disaster Prevention Safety Technology Co., Ltd) ;
  • Jae-Il Sim (New Con Co., Ltd)
  • 양근혁 (경기대학교 스마트시티공학부 건축공학전공) ;
  • 문주현 (경기대학교 스마트시티공학부 건축공학전공) ;
  • 정기태 (경기대학교 일반대학원 건축공학과) ;
  • 윤현섭 (한국방재안전기술) ;
  • 심재일 (뉴콘)
  • Received : 2024.05.24
  • Accepted : 2024.06.12
  • Published : 2024.06.30
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Abstract

This study evaluated the odor removal performance of a bacteria-based odor reduction kit. The bacteria used were Rhodobacter capsulatus, Paracoccus limosus, and Brevibacterium hankyongi, which can remove ammonia (NH3), hydrogen sulfide (H2S), total nitrogen (T-P), and total phosphorus (T-N), which are odor pollutants. The materials used were bacteria and porous aggregates (expanded vermiculite, zeolite beads, activated carbon), and the combination of the materials varied depending on the removal mechanism. Materials with a physical adsorption mechanism (zeolite beads and activated carbon) gradually slowed down the concentration reduction rate of odor pollutants (NH3, H2S, T-P, and T-N), and had no further effect on reducing the concentration of odor pollutants after 60 hours. Expanded vermiculite, in which bacteria that remove odors through a bio-adsorption mechanism were immobilized, had a continuous decrease in concentration, and the concentration of odor pollutants reached 0 ppm after 108 hours. As a result, the odor removal performance of materials with physical adsorption mechanisms in actual river water did not meet the odor emission standard required by the Ministry of Environment, while the expanded vermiculite immobilized with bacteria satisfied the odor emission permissible standard and achieved water quality grade 1.

이 연구에서는 박테리아 기반 악취저감 키트의 악취제거 성능을 평가하였다. 박테리아는 악취오염원인 암모니아(NH3), 황화수소(H2S), 총질소(T-P) 및 총인(T-N)을 제거할 수 있는 Rhodobacter capsulatus, Paracoccus limosus 및 Brevibacterium hankyongi를 사용하였다. 사용된 소재들은 박테리아와 다공성골재(팽창질석, 제올라이트 비드, 활성탄)이며, 제거 메커니즘에 따라 소재들의 융합을 달리하였다. 물리적 흡착 메커니즘을 갖는 소재들(제올라이트 비드 및 활성탄)은 악취오염원(NH3, H2S, T-P 및 T-N)의 농도 저감율이 점차 둔화되어 48시간 이후부터 더 이상의 악취오염원의 농도의 저감 효과가 없었다. 생물학적 흡착 메커니즘으로 악취를 제거하는 박테리아가 고정화된 팽창질석은 지속적인 농도 저감으로 108시간 이후에 악취오염원의 농도가 0 ppm에 도달하였다. 결과적으로 실제 하천수에서 물리적 흡착 메커니즘을 갖는 소재들의 악취제거 성능은 환경부에서 제시하고 있는 악취 배출허용 기준을 만족하지 못한 반면, 박테리아가 고정화된 팽창질석은 악취 배출허용 기준을 만족하였으며, 수질도 1등급으로 평가되었다.

Keywords

Acknowledgement

본 연구는 2023년도 산학연 연계 농공단지 연구개발 지원 사업에 의한 연구입니다.

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