市政垃圾焚烧炉烟道气中氯代和溴代二恶英分布
DISTRIBUTION CHARACTERISTIC OF PCDD/Fs AND PBDD/Fs IN FLUE GAS FROM MUNICIPAL SOLID WASTE INCINERATORS
查看参考文献19篇
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文摘
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为了探明固废焚烧炉烟道气中PCDD/Fs 和PBDD/Fs 的浓度、分布特征和二者之间的相关性,用气相色谱/高分辨质谱测定2,3,7,8位氯代和溴代二恶英(PCDD/Fs 和PBDD/Fs) 。两者的总毒性当量浓度在A 厂分别为0.043 ~ 1.20,0.00056 ~ 0.010 ng I-TEQ/m~3,在B 厂分别为0.024 ~ 0.069,0.0034 ~ 0.0043 ng I-TEQ/m~3。A 厂的PCDD/Fs 以PCDFs 为主,B 厂相对浓度最大的是OCDD。影响PCDD/Fs 的浓度和分布可能主要为垃圾含氯量和空气净化设施。 PBDD/Fs 都主要含PBDFs。两厂的PCDD/Fs 和PBDD/Fs 浓度具有较好的相关性。 |
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其他语种文摘
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To investigate the concentrations,congener profiles and relationship of 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins and polychlorinated furans (PCDD/Fs),and polybrominated dibenzo-p-dioxins and polybrominated furans (PBDD/Fs) in the stack flue gases from municipal solid waste incinerations (MSWIs),gas chromatograph coupled with high resolution mass spectrometry was applied. The TEQ concentrations of PCDD/Fs and PBDD/Fs respectively ranged in 0.043 ~ 1.0,0.00056 ~ 0.010 ng I-TEQ/m~3 in plant A,and in 0.024 ~ 0.069,0.0034 ~ 0.0043 ng I-TEQ/m~3 in plant B. The congener profiles of PCDD/Fs in the stack flue gases were dominated by PCDFs in plant A,while by OCDD in plant B. The concentrations and congener profiles of PCDD/Fs in the stack flues gases were probably mostly affected by the chlorine contents in feeding wastes and the air pollution control devices. For PBDD/Fs,PBDFs were abundant in all flue gas samples of plant A and B. There were good correlations between the concentrations of PCDD/Fs and PBDD/Fs. |
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来源
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环境工程
,2015,33(11):78-82,141 【扩展库】
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DOI
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10.13205/j.hjgc.201511016
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关键词
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焚烧炉
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烟道气
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PCDD/Fs
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PBDD/Fs
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相关性
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地址
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中国科学院广州地球化学研究所, 有机地球化学国家重点实验室, 广州, 510640
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-8942 |
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基金
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国家自然科学基金
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广东省自然科学基金
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文献收藏号
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CSCD:5580210
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