Emission factors and importance of PCDD/Fs, PCBs, PCNs, PAHs and PM10 from the domestic burning of coal and wood in the UK
Emission factors and importance of PCDD/Fs, PCBs, PCNs, PAHs and PM10 from the domestic burning of coal and wood in the UK
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DOI：
10.1021/es048745i
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发表时间：
2005-03-15
影响因子：
11.4
通讯作者：
Lohmann, R
中科院分区：
文献类型：
--
作者：
Lee, RGM;Coleman, P;Lohmann, R
本文介绍了一系列持久性有机污染物（POPS）的排放因子（EFs）时，煤和木材进行控制燃烧实验，旨在模拟家庭燃烧空间供暖。所排放的持久性有机污染物种类繁多，煤炭的排放量高于木材。颗粒物、PM10（类似于10 g/kg燃料）和多环芳烃（类似于100 mg/ kg Sigma PAHs燃料）的EF最高。就氯化化合物而言，多氯联苯的排放系数最高，多氯萘、二苯并二恶英和二苯并呋喃的排放系数较低。西格玛型多氯联苯、西格玛型多氯化萘和西格玛型多氯二苯并对二恶英/多氯二苯并呋喃的当量系数分别为1000纳克/千克燃料、100纳克/千克燃料和100纳克/千克燃料。该研究证实，一至三氯化二苯并呋喃（Cl，2，3DF）是低温燃烧过程（如家庭燃烧煤和木材）的强指标。得出的结论是，许多多氯联苯和多氯化萘同系物通常在固体燃料的燃烧过程中形成。然而，他们从家庭燃烧煤炭和木材的排放量总和将只占百分之几，每年英国。排放量估算。多环芳烃和PM10的排放是英国的主要贡献者。国家排放清单。发现Cl（1，2，3）DFs主要来自家庭燃烧，而PCDD/F-Sigma TEQ在英国总排放量中的贡献率为10%。排放量很小。
This paper presents emission factors (EFs) derived for a range of persistent organic pollutants (POPS) when coal and wood were subject to controlled burning experiments, designed to simulate domestic burning for space heating. A wide range of POPS were emitted, with emissions from coal being higher than those from wood. Highest EFs were obtained for particulate matter, PM10, (similar to 10 g/kg fuel) and polycyclic aromatic hydrocarbons (similar to 100 mg/ kg fuel for Sigma PAHs). For chlorinated compounds, EFs were highest for polychlorinated biphenyls (PCBs), with polychlorinated naphthalenes (PCNs), dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) being less abundant. EFs were on the order of 1000 ng/kg fuel for Sigma-PCBs, 100s ng/ kg fuel for Sigma PCNs and 100 ng/kg fuel for Sigma PCDD/Fs. The study confirmed that mono- to trichlorinated dibenzofurans, Cl,2,3DFs, were strong indicators of low temperature combustion processes, such as the domestic burning of coal and wood. It is concluded that numerous PCB and PCN congeners are routinely formed during the combustion of solid fuels. However, their combined emissions from the domestic burning of coal and wood would contribute only a few percent to annual U.K. emission estimates. Emissions of PAHs and PM10 were major contributors to U.K. national emission inventories. Major emissions were found from the domestic burning for Cl(1,2,3)DFs, while the contribution of PCDD/F-Sigma TEQ to total U.K. emissions was minor.