PCDD/FS emission in a 150T/D MSW and coal co-firing fluidized bed incinerator |
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| Authors: | Xu Xu Li Xiao-dong Yan Jian-hua Lu Sheng-yong Gu Yue-ling Chi Yong Cen Ke-fa |
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| Institution: | (1) Institute for Thermal Power Engineering, Zhejiang University, 310027 Hangzhou, China |
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| Abstract: | Incineration as a method of reducing Municipal Solid Waste (MSW) volume and recovery of energy has been developed gradually
in China. More attention is paid on polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans, (PCDD/Fs) formed in MSW incineration process. This paper presents results of the
analysis of PCDD/Fs in the residues of a fluidized bed incinerator co-firing MSW and coal in the Yuhang Thermal Power Plant.
The effects of operation conditions and the wet scrubber system on PCDD/Fs formation were also analyzed. PCDD/Fs emitting
from the smoke stack was 0.92 I-TEQ ng/Nm3. After the wet scrubber emission of dioxins increased and the shifting of homologue profiles in flue gas was also observed,
PCDFs were not detected in the incinerator residues. From this, we can see that in the MSW incineration process, the formation
mechanism of PCDFs was different from that of PCDDs. The results will benefit further research on the optimal operation of
incinerator and control of PCDD/Fs emission from the MSW incinerator.
Project supported by the Special Funds for Major State Basic Research Projects 973. (G1999022211), and Natural Science Foundation
of China (No. 59836210, No. N1986 2598780472). |
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| Keywords: | municipal solid waste incineration PCDD/Fs |
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