The transformation of PAHs in the sewage sludge incineration treatment

被引：0
|
作者：
Hui Zhang
Le Xu
Yifei Zhang
Mengchan Jiang
机构：
[1] Shanghai Jiao Tong University,School of Environmental Science and Engineering
[2] Environmental Monitoring Center of Songjiang District,undefined
来源：
Frontiers of Environmental Science & Engineering | 2016年 / 10卷
关键词：
PAHs; sewage sludge; incineration treatment; release of monomers; transformation of monomers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The release of pollutants from sewage sludge in the treatment process is a worldwide tricky problem in the field of sludge treatment. In this paper, the release and reaction between monomers of polycyclic aromatic hydrocarbons (PAHs) in the sewage sludge incineration treatment were studied based on simulated experiments. The result indicates that the transformation may occurre between monomers of PAHs during their release in the treatment. Over 90% of total PAHs in sewage sludge are released at the the temperature of 300°C–750°C. The possible transformation of Naphthalene to indeno(1, 2, 3-cd)pyrene was related to the temperature of the treatment system. Here, we showed that the output rate of transformation reactions for indeno(1, 2, 3-cd)pyrene is 94% at 300°C. These findings, by identifying corresponding treatment conditions as well as techniques, can help to understand the reactions and control real outputs of PAHs in the treatment process.
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页码：336 / 340
页数：4
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