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医疗垃圾焚烧飞灰的重金属浸出特性及其稳定化处理研究
Authors
廖华勇
李海滨
+4 more
王小波
谢建军
谭中欣
赵增立
Publication date
1 January 2008
Publisher
Abstract
通过对医疗垃圾飞灰的浸出特性和高温熔融处理实验,研究了浸出时间、液固比、pH值和颗粒尺寸对重金属浸出特性的影响以及飞灰熔融对重金属稳定化处理效果.结果表明,随着浸出时间的增加,飞灰绝大部分重金属的浸出浓度增高,浸出毒性增强;液固比(L/S)增加,大部分重金属的浸出率大大提高,其中重金属Cd的浸出率最大,在液固比为90时,飞灰中的Cd的浸出率达到70%以上;pH为中性左右的时候,医疗垃圾飞灰中的大部分重金属的浸出液浓度最低;颗粒尺寸在较大或者较小时,医疗垃圾飞灰中的大部分重金属浸出浓度较小,大部分重金属在颗粒尺寸250-900μm时,重金属的浸出浓度较高;飞灰高温熔融后,重金属的浸出毒性大大降低,说明熔融对重金属有很好的固化效果
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/30559
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/20714
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/20716
Last time updated on 05/12/2019