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Performance of PAHs emission from bituminous coal combustion 被引量：2

Performance of PAHs emission from bituminous coal combustion
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摘要 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. 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.
作者 严建华 尤孝方 李晓东 倪明江 尹雪峰 岑可法
机构地区 NationalKeyLabofMOECleanEnergyandEnvironmentalEngineering
出处 《Journal of Zhejiang University Science》 EI CSCD 2004年第12期1554-1564,共11页 浙江大学学报（自然科学英文版）
关键词 多环芳烃 PAHS 有机污染 生煤 燃烧 气相污染物 <Keyword>Polycyclic aromatic hydrocarbons (PAHs), Organic pollutants, Bituminous coal, Combustion
分类号 X511 [环境科学与工程—环境工程]
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同被引文献12

  • 1YAN Jian-hua,PENG Zheng,LU Sheng-yong,DU Chang-ming,LI Xiao-dong,CHEN Tong,NI Ming-jiang,CEN Ke-fa.Destruction of PCDD/Fs by gliding arc discharges[J].Journal of Environmental Sciences,2007,19(11):1404-1408. 被引量：9
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  • 8Kanue A,LenoirD,NikolaiU,Kettrup A.Estimating concentrations of polychlorinated dibenzo-p-dioxins and dibenzofurans in the stack gas of a hazardous waste incinerator from concentrations of chlorinated benzenes and biphenyls. Chemosphere . 1994
  • 9Zimmermann R,Heger H J,Blumenstock M,et al.On-line measurement of chlorobenzene in waste incineration flue gas as a surrogate for the emission of polychlorinated dibenzo-p-dioxins/furans (I-TEQ) using mobile resonance laser ionization time-of-flight mass spectrometry. Rapid Communications in Mass Spectrometry . 1999
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Journal of Zhejiang University Science
2004年 第12期

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