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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.01.047
|2 doi
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|a pubmed25n0990.xml
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|a eng
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|a Sun, Guang
|e verfasserin
|4 aut
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|a Thermogravimetric and mass-spectrometric analyses of combustion of spent potlining under N2/O2 and CO2/O2 atmospheres
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|c 2019
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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
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|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a Thermal decomposition and gaseous evolution of the spent potlining (SPL) combustion were quantified using thermogravimetric and mass-spectrometric analyses in CO2/O2 and N2/O2 atmospheres using three heating rates (15, 20 and 25 °C/min). The thermal decomposition of SPL occurred mainly between 450 and 800 °C. Based on the four kinetic methods of Friedman, Starink, Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa under the various conversion degrees (α) from 0.1 to 0.7, the lowest apparent activation energy was estimated at 149.81 kJ/mol in the 70% CO2/30% O2 atmosphere. The pre-exponential factor, and changes in entropy, enthalpy and free Gibbs energy were also estimated. The reaction model did not suggest a single reaction of the SPL combustion. With the α value of 0.25-0.7, the following function best described the reaction based on the Malek method: f(α) = 1/2α and G(α) = lnα2. The gases released during the combustion process included CO2, CO, NOx, HCN, and HF
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|a Journal Article
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|a Oxy-fuel combustion
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|a Spent potlining
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|a TG-MS
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|a Thermodynamic analysis
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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| 700 |
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|a Zhang, Gang
|e verfasserin
|4 aut
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1 |
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|a Liu, Jingyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Wuming
|e verfasserin
|4 aut
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|a Kuo, Jiahong
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Xingwen
|e verfasserin
|4 aut
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| 700 |
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|a Buyukada, Musa
|e verfasserin
|4 aut
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| 700 |
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|a Evrendilek, Fatih
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Shuiyu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 87(2019) vom: 15. März, Seite 237-249
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:87
|g year:2019
|g day:15
|g month:03
|g pages:237-249
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|u http://dx.doi.org/10.1016/j.wasman.2019.01.047
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