Emission of PCDD/Fs and dioxin-like PCBs from metallurgy industries in S. Korea

被引:62
作者
Yu, BW [1 ]
Jin, GZ [1 ]
Moon, YH [1 ]
Kim, MK [1 ]
Kyoung, JD [1 ]
Chang, YS [1 ]
机构
[1] Pohang Univ Sci & Technol, Sch Environm Sci & Engn, Pohang 790784, South Korea
关键词
PCDD/Fs; PCBs; emission factors; metallurgy industry; Korea;
D O I
10.1016/j.chemosphere.2005.04.031
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The metallurgy industry and municipal waste incinerators are considered the main sources of polychlorinated dibenzo-p-dioxin and dibenzofurans (PCDD/Fs) in many countries. This study investigated the emission factors and total emissions of PCDD/Fs and dioxin-like polychlorinated biphenyls (PCBs) emitted from metallurgy industries (including ferrous and nonferrous foundries) in Korea. The toxic equivalency (TEQ) emission factor of PCDD/Fs was the highest for secondary copper production, at 24 451 ng I-TEQ/ton. The total estimated emissions of PCDD/Fs from these sources were 35.259 g I-TEQ/yr, comprising 0.088 g I-TEQ/yr from ferrous foundries, 31.713 g I-TEQ/yr from copper production, 1.716 g I-TEQ/yr from lead production, 0.111 g I-TEQ/yr from zinc production, and 1.631 g I-TEQ/yr from aluminum production. The total estimated annual amounts of dioxin-like PCBs emitted from these sources were 13.260 g WHO-TEQ/yr, comprising 0.014 g WHO-TEQ/yr from ferrous foundries, 12.675 g WHO-TEQ/yr from copper production, 0.170 g WHO-TEQ/yr from lead production, 0.017 g WHO-TEQ/yr from zinc production, and 0.384 g WHO-TEQ/yr from aluminum production. The highest emission factor was found for secondary copper smelting, at 9770 ng WHO-TEQ/ton. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:494 / 501
页数:8
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