環境工学総合シンポジウム講演論文集
Online ISSN : 2424-2969
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210 焼成処理焼却灰の基礎的特性
松澤 克明上野 俊一朗田原 賢一西野 順也久保田 伸彦三村 正文山田 貞裕
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会議録・要旨集 フリー

p. 131-134

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Annealed bottom ash from municipal waste incineration was characterized for metal leaching. Influence of temperature, oxygen concentration in the atmosphere and treatment time on leaching behavior was investigated. Concentration of lead and chromium (VI) increased as temperature and oxygen concentration in atmosphere rose. Prolongation of treatment time caused increase of lead leaching and degrease of chromium (VI). Sintering experiment of 4 particle-size groups classified by sieves revealed influence of particle size on lead and chromium leaching. The experiment also showed correlation among concentration of lead in leachate, pH of leachate and amount of Gehlenite in ash observed by XRD.
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© 2003 一般社団法人 日本機械学会
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