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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2004.1
- 수록면
- 552 - 560 (9page)
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To investigate the influence of atmospheric conditions on the behavior of heavy metals during municipal solid waste(MSW) ash melting, an experiment was carried out in an elevator type electric furnace. In this study, the separating characteristics of heavy metals from slag, which was originally contained in ash, were measured. The fractionation and leaching characteristics of heavy metals in the slag were also assessed. In MSW ash melting, the fractional composition of heavy metals in ash was slightly affected by melting atmosphere. In general, remaining rate of heavy metals in slag layer under reducing atmosphere was lower than that under oxidizing atmosphere. Remaining rates of Cu and Pb were lower and less than 15%. Cd in slag layer was not detected in all operating conditions. However, remaining rate of Zn, which most of the Zn is remained as a residual fraction, was very high in comparison with the other heavy metals. Leaching concentration of heavy metals
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