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湿法脱除垃圾焚烧飞灰重金属的研究
Using of Wet Process to Remove of Heavy Metals from Waste Incineration Fly Ash

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Date
2013-04-25
Author
毛中建
王中页
罗津晶
张杰儒
季喆
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  • 环境生态-已发表论文 [1242]
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Abstract
以福建和湖北垃圾焚烧发电厂采集的飞灰为研究对象,比较了单独水洗、水洗结合酸洗等工艺对飞灰重金属的洗脱效果,考察了不同酸洗工艺条件下飞灰重金属浸出毒性的变化。结果表明:在水灰比为10时水洗效果最佳,水洗结合酸洗处理可有效降低飞灰重金属浸出毒性,部分飞灰经湿法脱除后可作为普通废物排放。
 
Taking the fly ash samples obtained from Fujian and Hubei waste incineration plants as the research subjects,the effects of water washing and wash+acid washing for heavy metal extraction from fly ash were compared.The changes of leachimg toxicity of heavy metals from fly ash were investigated under different acid washing conditions.The results showed that the effect of water washing was best when the ratio of water to fly ash was 10 ∶ 1(L/kg).Water+acid washing process can effectively reduce the leachimg toxicity of heavy metals.Part of fly ash can be disposed as ordinary waste after treated by wetextraction process.
 
Citation
环境卫生工程,2013,21(98):11-13+15
URI
https://dspace.xmu.edu.cn/handle/2288/108298

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