Journal of the Korea Organic Resources Recycling Association (유기물자원화)

Korea Organic Resources Recycling Association (유기성자원학회)
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Study on Sludges of Waste Water Disposal Plant for Practical Application as Raw materials of organic compost

폐수배출업소 오니의 퇴비원료로 활용 가능성 연구

  • Lim, Dong-Kyu (Environment and Ecology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Lee, Sang-Beom (Environment and Ecology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Kwon, Soon-Ik (Environment and Ecology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Nam, Jae-Jag (Environment and Ecology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Na, Young-Eun (Environment and Ecology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Kwon, Jang-Sik (Applied Microbiology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Kim, Wan-Jin (Plant Nutrition Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Han, Sang-Gyun (Agricultural Resources Division, Research Management Bureau, RDA)
  • 임동규 (농업과학기술원 환경생태과) ;
  • 이상범 (농업과학기술원 환경생태과) ;
  • 권순익 (농업과학기술원 환경생태과) ;
  • 남재작 (농업과학기술원 환경생태과) ;
  • 나영은 (농업과학기술원 환경생태과) ;
  • 권장식 (농업과학기술원 응용미생물과) ;
  • 김완진 (농업과학기술원 식물영양과) ;
  • 한상균 (농촌진흥청 연구관리국 농업자원과)
  • Received : 2003.06.02
  • Accepted : 2003.06.10
  • Published : 2003.06.30
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Abstract

This study was conducted to investigate use possibility on waste water sludges of water disposal plant as raw materials of organic compost at Fertilizer Official Regulation of Fertilizer Management Law in 2002. In heavy metal contents, some water service sludges were discovered a little over than the standard levels of raw material regulated in organic compost and most of them were not reached the levels. But they were difficult for using the raw materials of organic compost owing to shortage of the organic content. It was judged that the fiber and leather sludges were much in the heavy metal contents and they couldn't use as the raw materials of organic compost. There was afraid that a little heavy metal contents of cosmetic sludge were less than the levels, but it was possible to use selectively as a raw material.

본 연구는 폐수배출업소의 오니를 비료관리법의 비료공정규격에 퇴비원료로 활용 가능성을 조사하기 위하여 수행하였다. 수도의 정수장오니는 일부 중금속 성분이 높은 것이 발견되었으나 대부분 중금속 성분이 기준에 미달되었다. 그러나 유기물 성분이 기준에 비해 상당히 낮아 퇴비의 원료로 활용은 어려울 것으로 보였으며 기타 농업적 활용에 대해 연구 검토하는 것이 바람직할 것으로 생각되었다. 섬유 및 가죽 폐수처리 오니는 제조공정 특성상 유기물 및 중금속 성분이 기준에 미달될 가능성이 많았으므로 퇴비원료로 활용은 곤란할 것으로 판단되었다. 화장품 폐수처리오니는 일부 중금속 성분이 기준에 미달될 우려가 있었으므로 원료 및 공정 등을 검토하여 선별적으로 활용하는 것이 바람직할 것으로 예상되었다.

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