Performance of PAHs emission from bituminous coal combustion

严建华; 尤孝方; 李晓东; 倪明江; 尹雪峰; 岑可法

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Performance of PAHs emission from bituminous coal combustion

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＜正＞Carcinogenic and mutagenic polycyclic aromatic hydrocarbons （PAHs） generated in coal combustion have caused great environmental health concern. Seventeen PAHs （16 high priority PAHs recommended by USEPA plus Benzo[e]pyrene） present in five raw bituminous coals and released during bituminous coal combustion were studied. The effects of combustion temperature, gas atmosphere, and chlorine content of raw coal on PAHs formation were investigated. Two additives （copper and cupric oxide） were added when the coal was burned. The results indicated that significant quantities of PAHs were produced from incomplete combustion of coal pyrolysis products at high temperature, and that temperature is an important causative factor of PAHs formation. PAHs concentrations decrease with the increase of chlorine content in oxygen or in nitrogen atmosphere. Copper and cupric oxide additives can promote PAHs formation （especially the multi-ring PAHs） during coal combustion.

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《浙江大学学报（英文版）（A辑：应用物理和工程）》 |2004年第12期||共页
作者
严建华; 尤孝方; 李晓东; 倪明江; 尹雪峰; 岑可法;
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作者单位

National Key Lab of MOE Clean Energy and Environmental Engineering;

Zhejiang University;

Hangzhou 310027;

China;

National Key Lab of MOE Clean Energy and Environmental Engineering;

Zhejiang University;

Hangzhou 310027;

China;

National Key Lab of MOE Clean Energy;

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原文格式 PDF
正文语种 chi
中图分类废气的处理与利用;
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Performance of PAHs emission from bituminous coal combustion

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