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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (12): 1554-1564    DOI: 10.1631/jzus.2004.1554
Environmental & Energy Science     
Performance of PAHs emission from bituminous coal combustion
YAN Jian-hua, YOU Xiao-fang, LI Xiao-dong, NI Ming-jiang, YIN Xue-feng, CEN Ke-fa
National Key Lab of MOE Clean Energy and Environmental Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  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.

Key words： Polycyclic aromatic hydrocarbons (PAHs)      Organic pollutants      Bituminous coal      Combustion     
Received: 04 September 2003     
CLC:  X511  
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YOU Xiao-fang
YAN Jian-hua
LI Xiao-dong
NI Ming-jiang
YIN Xue-feng
CEN Ke-fa
Cite this article:

YAN Jian-hua, YOU Xiao-fang, LI Xiao-dong, NI Ming-jiang, YIN Xue-feng, CEN Ke-fa. Performance of PAHs emission from bituminous coal combustion. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(12): 1554-1564.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.1554     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I12/1554

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