本文对垃圾焚烧过程中,不同粒径的灰颗粒中Hg、Pb、Cd、Cu、Zn、Ni六种重金属元素含量进行了测定,同时比较了燃烧飞灰,煤与垃圾混烧的飞灰以及垃圾飞灰三种灰样中相应的重金属含量.结果表明:焚烧飞灰中重金属浓度含量随着颗粒尺寸的增大而减少;三种不同灰样的重金属含量大小依次为:垃圾飞灰>煤与垃圾混烧飞灰>燃煤飞灰.
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