Polychlorinated biphenyls in fly ashes collected from five coal-fired power plants in North China

被引：0
|
作者：
Li, Zhiyong [1 ]
Li, Xu [1 ]
Ma, Huiqiao [1 ]
Fan, Lin [1 ]
机构：
[1] North China Elect Power Univ, Sch Environm Sci & Engn, Baoding 071000, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON ENERGY ENGINEERING AND ENVIRONMENTAL PROTECTION (EEEP2016) | 2017年 / 52卷
基金：
中国国家自然科学基金;
关键词：
COASTAL CITY; TIANJIN;
D O I：
10.1088/1755-1315/52/1/012054
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The 5 coal fly ash samples (CFA) were systematically collected from 5 coal-fired power plants (CFPPs) in North China for analysis of 86 PCB congeners. The predominant PCB congeners were PCB-6, -4/10, -28, -18, -19 and -16/32, which belonged to lighter molecular weight (LMW) congeners. The Sigma(86)PCBs for 5 CFPPs ranged from 10.93 to 32.06 ng/g with the mean value as 16.01 ng/g. The PCBs in CFA were dominated by LMW-PCBs with 2-, 3- and 4-Cl PCBs contributed 34.80%, 39.18% and 9.21% to the Sigma(86)PCBs. The TEQ concentrations for 5 CFPPs was 42.54 pg/g higher than 4 pg/g designed by Canada for soil quality, indicated the using of CFA as soil amendment should be cautioned.
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页数：5
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