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산업용제조시설과 폐기물처리시설에서 발생된 나노폐기물의 물리화학적 특성 및 안전관리방안 제시 KCI 등재

Suggestion of Physicochemical Characteristics and Safety Management in the Waste Containing Nanomaterials from Engineered Nano-materials Manufacturing Plants and Waste Treatment Facilities

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한국폐기물자원순환학회지 (Journal of Korea Society of Waste Management)
한국폐기물자원순환학회 (Korea Society Of Waste Management)
초록

Engineered nanomaterials (ENMs) can be released to humans and the environment through the generation of waste containing engineered nanomaterials (WCNMs) and the use and disposal of nano-products. Nanoparticles can also be introduced intentionally or unintentionally into waste streams. This study examined WCNMs in domestic industries, and target nanomaterials, such as silicon dioxide, titanium oxide, zinc oxide, nano silver, and carbon nanotubes (CNTs), were selected. We tested 48 samples, such as dust, sludge, ash, and by-products from manufacturing facilities and waste treatment facilities. We analyzed leaching and content concentrations for heavy metals and hazardous constituents of the waste. Chemical compositions were also measured by XRD and XRF, and the unique properties of nano-waste were identified by using a particle size distribution analyzer and TEM. The dust and sludge generated from manufacturing facilities and the use of nanomaterials showed higher concentrations of metals such as lead, arsenic, chromium, barium, and zinc. Oiled cloths from facilities using nano silver revealed high concentrations of copper, and the leaching concentrations of copper and lead in fly ash were higher than those in bottom ash. In XRF measurements at the facilities, we detected compounds such as silicon dioxide, sulfur trioxide, calcium oxide, titanium dioxide, and zinc oxide. We found several chemicals such as calcium oxide and silicon dioxide in the bottom ash of waste incinerators.

목차
Abstract
 I. 서 론
 II. 연구내용 및 방법
  1. 조사대상 산업용 나노물질 선정방법
  2. 폐기물 시료채취 방법
  3. 분석 프로토콜 및 분석방법
 III. 결과 및 고찰
  1. 조사대상 산업용 나노물질 선정
  2. 함량 및 용출분석 결과
  3. XRD 및 XRF 분석결과
  4. 입도분석 결과
  5. TEM 분석결과
  6. 산업용 나노물질 함유 폐기물 안전관리방안
 IV. 결 론
저자
  • 김우일(국립환경과학원 자원순환연구과) | Woo-Il Kim (Resource Recirculation Research Division, National Institute of Environmental Research) Corresponding author
  • 연진모(국립환경과학원 자원순환연구과) | Jin-Mo Yeon (Resource Recirculation Research Division, National Institute of Environmental Research)
  • 조나현(국립환경과학원 자원순환연구과) | Na-Hyeon Cho (Resource Recirculation Research Division, National Institute of Environmental Research)
  • 김용준(국립환경과학원 자원순환연구과) | Yong-Jun Kim (Resource Recirculation Research Division, National Institute of Environmental Research)
  • 엄남일(국립환경과학원 자원순환연구과) | Nam-Il Um (Resource Recirculation Research Division, National Institute of Environmental Research)
  • 김기헌(국립환경과학원 자원순환연구과) | Ki-Heon Kim (Resource Recirculation Research Division, National Institute of Environmental Research)
  • 이영기(국립환경과학원 자원순환연구과) | Young-Kee Lee (Resource Recirculation Research Division, National Institute of Environmental Research)