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Assessment of Corrosive Characteristics in Solid Waste Materials from Industrial Facilities

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

A total of 15 different solid waste materials were analyzed for toxic substances such as Pb, Cd, Cu, As, Hg, Cr (VI)by the Korean standard leaching test and as total content. These wastes were also tested for corrosivity characteristicsusing an ionic electrode for pH and a circular steel for corrosion rate. Based on the results of the leaching test, the solidwaste samples did not exceed the regulated leaching levels. Thus, the analyzed wastes may be classified and managedas general industrial waste, not hazardous waste. Four solid waste samples were greater than total content levels proposedby other previous study. In case of the corrosive property of the solid waste leachate (1:2.5), the highest pH of the wastesample exhibited the lowest corrosion rate of 0.065mm/yr. However, the waste samples with low pH values exhibiteda greater corrosion rate. It is difficult to determine the correlation between pH and corrosion rate of the solid waste leachate.Therefore, the testing of the solid wastes are needed to further investigate the corrosion of a glass electrode method ratherthan the corrosion rate measurement. In the future, other hazardous properties such as ecotoxicity should be also examinedto properly manage the solid waste materials.

목차
I. 서 론
 II. 실험 및 방법
  1. 분석대상 시료
  2. 용출 및 함량 분석
  3. pH 측정 및 부식특성 분석
 III. 결과 및 고찰
  1. 용출 및 함량 분석결과
  2. 부식성 판단결과
  3. 부식성 폐기물의 적정관리방안
 IV. 결 론
 References
저자
  • 김교근(김교근) | Kyeo Keun Kim Corresponding author