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固体废物焚烧炉飞灰中重金属萃取研究

Keywords: 萃取,重金属,飞灰,固体废物,络合剂

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Abstract:

固体废物焚烧炉飞灰中重金属是造成自然环境空气污染的重要因素。通过对城市废物焚烧炉处理的调查研究,寻找到两种行之有效的固体废物焚烧炉飞灰中重金属萃取络合剂。进一步分析研究,给出此类萃取剂的萃取最佳时间为飞灰溶解处理之后20h;萃取液最佳酸度为pH3~10;萃取液最佳浓度为1.5%,使固体废物焚烧炉飞灰中重金属的萃取达到最佳效果。

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