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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X19896630
|2 doi
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|a pubmed24n1017.xml
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|a (DE-627)NLM305179195
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|a (NLM)31918637
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Yao, Zhitong
|e verfasserin
|4 aut
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| 245 |
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|a Kinetic study on the slow pyrolysis of nonmetal fraction of waste printed circuit boards (NMF-WPCBs)
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|c 2020
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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 28.07.2020
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|a Date Revised 28.07.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this study, the pyrolysis behaviour of nonmetal fraction of waste printed circuit boards (NMF-WPCBs) was studied based on five model-free methods and distributed activation energy model (DAEM). The possible decomposition mechanism was further probed using the Criado method. Thermogravimetric analysis indicated that the NMF-WPCBs pyrolysis process could be divided into three stages with temperatures of 37-330°C, 330-380°C and 380-1000°C. The mass loss at different heating rate was determined as 26.85-29.98%, 13.47-24.21% and 20.43-23.36% for these stages, respectively. The activation energy (Eα) from various model-free methods first increased with degree of conversion (α) increasing from 0.05 to 0.275, and then decreased beyond this range. The coefficient (R) from the Flynn-Wall-Ozawa (FWO) method was higher, and the resulting Eα fell into the range of 214.947-565.660 kJ mol-1. For the DAEM method, the average Eα value was determined as 337.044 kJ mol-1, comparable with 329.664 kJ mol-1 from the FWO method. The thermal decomposition kinetics of NMF-WPCBs could be better described by the second-order reaction
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|a Journal Article
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|a Criado method
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|a Electronic waste
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|a distributed activation energy model
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|a model-free method
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|a pyrolysis kinetics
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1 |
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|a Xiong, Jingjing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Shaoqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Weiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Weihong
|e verfasserin
|4 aut
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1 |
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|a Tang, Junhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Daidai
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 38(2020), 8 vom: 15. Aug., Seite 903-910
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:38
|g year:2020
|g number:8
|g day:15
|g month:08
|g pages:903-910
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|u http://dx.doi.org/10.1177/0734242X19896630
|3 Volltext
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