Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Method for contaminant removal from leachate induced by buried livestock carcasses

매몰 사축에 의한 침출수내 오염물질 제거 방법

  • Haeseong Jeon (Department of Environmental Remediation, DASAN CONSULTANTS CO., LTD.) ;
  • Joonkyu Park (Department of Research & Development, DASAN CONSULTANTS CO., LTD.) ;
  • Geonha Kim (Department of Architectural & Civil Engineering, Hannam University)
  • 전해성 ((주)다산컨설턴트 환경복원사업단) ;
  • 박준규 ((주)다산컨설턴트 기술연구소) ;
  • 김건하 (한남대학교 건설시스템공학과)
  • Received : 2023.11.16
  • Accepted : 2023.12.11
  • Published : 2023.12.15
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Abstract

This study presents a novel method for addressing the issue of high-concentration contaminants (ammonium, phosphate, antibiotics) in leachate arising from decomposing livestock carcasses. Antibiotics, developed to eliminate microorganisms, often have low biodegradability and can persist in the ecosystem. This research proposes design elements to prevent contamination spread from carcass burial sites. The adsorbents used were low-grade charcoal (an industrial by-product), Alum-based Adsorbent (ABA), and Zeolite, a natural substance. These effectively removed the main leachate contaminants: low-grade charcoal for antibiotics (initial concentration 1.05 mg/L, removal rate 73.4%), ABA for phosphate (initial concentration 2.53 mg/L, removal rate 99.9%), and zeolite for ammonium (initial concentration 38.92 mg/L, removal rate 100.0%). The optimal mix ratio for purifying leachate is 1:1:10 of low-grade charcoal, ABA, and zeolite. The average adsorbent usage per burial site was 1,800 kg, costing KRW 2,000,000 per ton. The cost for the minimum leachate volume (about 12.4 m3) per site is KRW 2,880,000, and for the maximum volume (about 19.7 m3) is KRW 4,620,000. These findings contribute to resolving issues related to livestock carcass burial sites and suggest post-management strategies by advocating for the effective use of adsorbents in leachate purification.

Keywords

Acknowledgement

본 연구는 산림청(한국임업진흥원) 산림과학기술연구개발(2020211A00-2022-AC02)의 지원으로 수행되었습니다.

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