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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2016.06.024
|2 doi
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|a pubmed24n0873.xml
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|a (DE-627)NLM26217247X
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|a (NLM)27389860
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|a (PII)S0956-053X(16)30329-4
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhan, Ming-Xiu
|e verfasserin
|4 aut
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|a Recycling ash into the first stage of cyclone pre-heater of cement kiln
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.04.2017
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|a Date Revised 18.04.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2016 Elsevier Ltd. All rights reserved.
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|a Fly ash collected from the bag filter could be recycled into the first stage of the cyclone pre-heater of the cement kiln, resulting in the possible enrichment of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). In this study, soxhlet fly ash (SFA) and raw meal (RM) were selected as the basis for the PCDD/F formation experiments. The levels of 2,3,7,8-PCDD/Fs formed on the SFA and RM were observed to be 2550pg/g (157pg I-TEQ/g) and 1142pg/g (55pg I-TEQ/g), respectively. While less 2,3,7,8-PCDD/Fs was detected when SFA was mixed with RM, suggesting that recycling cement kiln ash would not largely increase the concentration of PCDD/Fs in flue gas. Furthermore, the possible influencing factors on the PCDD/F formation were also investigated. The formation of 2,3,7,8-PCDD/Fs was up to 10,871pg/g (380pg I-TEQ/g) with the adding of CuCl2, which was much higher than the results of CuO and activated carbon. Most importantly, the homologue, congener and gas/particle distribution of PCDD/Fs indicated that de novo synthesis was the dominant PCDD/F formation pathway for SFA. Lastly, principal component analysis (PCA) was also conducted to identify the relationship between the compositions of reactant and the properties of PCDD/Fs produced
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|a Journal Article
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|a Cement kiln
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|a De novo synthesis
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|a Formation
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|a Influencing factor
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|a PCDD/Fs
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|a Soxhlet fly ash
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|a Air Pollutants
|2 NLM
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|a Coal Ash
|2 NLM
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| 650 |
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|a Dioxins
|2 NLM
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| 650 |
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|a Polychlorinated Dibenzodioxins
|2 NLM
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| 700 |
1 |
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|a Fu, Jian-Ying
|e verfasserin
|4 aut
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1 |
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|a Havukainen, Jouni
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Tong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiao-Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Jian-Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Buekens, Alfons
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 56(2016) vom: 09. Okt., Seite 229-37
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:56
|g year:2016
|g day:09
|g month:10
|g pages:229-37
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|u http://dx.doi.org/10.1016/j.wasman.2016.06.024
|3 Volltext
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