家用供暖系统中的多氯二苯并对二恶英/多氯二苯并呋喃及多环芳烃排放

PCDD/F- and PAH-emission from house heating systems.

作者信息

Launhardt T, Strehler A, Dumler-Gradl R, Thoma H, Vierle O

机构信息

Technische Universität München-Weihenstephan Bayerische Landesanstalt für Landtechnik, Freising, Germany.

出版信息

Chemosphere. 1998 Oct-Nov;37(9-12):2013-20. doi: 10.1016/s0045-6535(98)00265-3.

DOI:10.1016/s0045-6535(98)00265-3

PMID:9828326

Abstract

Combustion experiments were carried out in different house heating systems using various fuels. The emission samples and the chimney soot samples were analyzed for polychlorinated dibenzo-p-dioxins/furans (PCDD/F) and polycyclic-aromatic-hydrocarbons (PAH). The PCDD/F-concentrations in fluegases using untreated wood were in the range of 2-25 pg I-TE/m3. The combustion of paper, cartons, painted wood and wood with 2-5% PVC gave PCDD/F-concentrations from 38 to 952 pg I-TE/m3 and 380 to 2,240 ng I-TE/kg (chimney soot). The PAH-concentrations in flue gas were about 30 times higher using an old technology in relation to a new one.

摘要

在不同的家庭供暖系统中使用各种燃料进行了燃烧实验。对排放样本和烟囱烟灰样本进行了多氯二苯并对二恶英/呋喃（PCDD/F）和多环芳烃（PAH）分析。使用未经处理的木材时，烟道气中的PCDD/F浓度在2-25皮克毒性当量每立方米范围内。纸张、纸箱、涂漆木材以及含2-5%聚氯乙烯的木材燃烧时，PCDD/F浓度为38至952皮克毒性当量每立方米，烟囱烟灰中的浓度为380至2240纳克毒性当量每千克。与新技术相比，旧技术的烟道气中PAH浓度高出约30倍。