Decomposition of Two Types of Electric Wires
نویسندگان
چکیده
12 Combustion runs at 700 oC in a horizontal laboratory furnace were carried out on two 13 different electric wires (PVC and halogen-free wire). Tests were performed in the 14 presence and in the absence of the metal conductor of the wires. The analyses of the 15 polycyclic aromatic hydrocarbons (PAHs), chlorobenzenes (CBzs), chlorophenols 16 (CPhs), monoto octa-chlorodibenzo-p-dioxin and dibenzofurans (PCDD/Fs), and 17 dioxin-like PCBs are shown. Regarding semivolatile compounds, PAHs production 18 decreases in the presence of metal, while a higher amount of chlorinated compounds are 19 emitted. Respect to the PCDD/Fs, the PVC wire in the presence of metal presents the 20 highest emission, with a much more emission of furans than dioxins. The maximum 21 emission is with 2 or 3 chlorine atom PCDD/Fs. PCBs emission correlates with 22 PCDD/F production and represents 3-4% of total toxicity, determined by using 23 WHO2005 factors. 24
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