CLC number: X592
On-line Access: 2015-04-03
Received: 2014-06-16
Revision Accepted: 2014-12-01
Crosschecked: 2015-03-25
Cited: 3
Clicked: 4800
Xiao-dong Li, Yong Ren, Sha-sha Ji, Xia-li Hou, Tong Chen, Sheng-yong Lu, Jian-hua Yan. Emission characteristics of hazardous components in municipal solid waste incinerator residual ash[J]. Journal of Zhejiang University Science A, 2015, 16(4): 316-325.
@article{title="Emission characteristics of hazardous components in municipal solid waste incinerator residual ash",
author="Xiao-dong Li, Yong Ren, Sha-sha Ji, Xia-li Hou, Tong Chen, Sheng-yong Lu, Jian-hua Yan",
journal="Journal of Zhejiang University Science A",
volume="16",
number="4",
pages="316-325",
year="2015",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1400142"
}
%0 Journal Article
%T Emission characteristics of hazardous components in municipal solid waste incinerator residual ash
%A Xiao-dong Li
%A Yong Ren
%A Sha-sha Ji
%A Xia-li Hou
%A Tong Chen
%A Sheng-yong Lu
%A Jian-hua Yan
%J Journal of Zhejiang University SCIENCE A
%V 16
%N 4
%P 316-325
%@ 1673-565X
%D 2015
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1400142
TY - JOUR
T1 - Emission characteristics of hazardous components in municipal solid waste incinerator residual ash
A1 - Xiao-dong Li
A1 - Yong Ren
A1 - Sha-sha Ji
A1 - Xia-li Hou
A1 - Tong Chen
A1 - Sheng-yong Lu
A1 - Jian-hua Yan
J0 - Journal of Zhejiang University Science A
VL - 16
IS - 4
SP - 316
EP - 325
%@ 1673-565X
Y1 - 2015
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1400142
Abstract: In this study, eight fly ash samples and three bottom ash samples from different areas are collected for analysis of their physicochemical properties and emission content of dioxin precursors and metals. Their surface characteristics, their effects on dioxin precursors, and important aspects of the compositions of residual ash (fly ash and bottom ash) are investigated. poly-chlorobenzenes (PCBzs) in the fly ash of a fluidized bed incinerator (FBI) are 7.35 to 357.94 µg/kg, and in that of a fire grate incinerator (FGI) are 6.74 to 96.52 µg/kg. The concentrations in bottom ash are the same (i.e., 2.23 to 2.99 µg/kg) regardless of the furnace type. The concentrations of polycyclic aromatic hydrocarbons (PAHs) in FGI fly ash samples (0.293 to 1.783 mg/kg) are less than these in samples from FBIs (1.820 to 38.012 mg/kg). Low boiling point PAHs (mainly 2- and 3-ringed PAHs) and high boiling point PCBzs (mainly HxCB and PeCBz) are the major constituents of residual ash. Different distributions of PCBzs and PAHs are mainly dictated by the incineration characteristics of FBI and FGI. Al and Fe, as non-toxic “light metals” are the major constituents of the residual ash, and Ni and Zn as non-toxic heavy metals play important roles in the total heavy metal. Cu, Pb, and Cr are the three major toxic heavy metals. The correlation of the metals and the dioxin precursors is discussed and distinguished.
The paper is interesting since it investigates the composition of the residues of the incineration activities by comparing grate and boiler furnaces and by analyzing the correlations between the principal metals and the dioxins precursors.
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