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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X19897814
|2 doi
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|a pubmed24n1018.xml
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|a (NLM)31957598
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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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 studies on the pyrolysis of plastic waste using a combination of model-fitting and model-free methods
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 06.05.2020
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|a Date Revised 06.05.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this work, the pyrolysis behavior of plastic waste-TV plastic shell-was investigated, based on thermogravimetric analysis and using a combination of model-fitting and model-free methods. The possible reaction mechanism and kinetic compensation effects were also examined. Thermogravimetric analysis indicated that the decomposition of plastic waste in a helium atmosphere can be divided into three stages: the minor loss stage (20-300°C), the major loss stage (300-500°C) and the stable loss stage (500-1000°C). The corresponding weight loss at three different heating rates of 15, 25 and 35 K/min were determined to be 2.80-3.02%, 94.45-95.11% and 0.04-0.16%, respectively. The activation energy (Ea) and correlation coefficient (R2) profiles revealed that the kinetic parameters calculated using the Friedman and Kissinger-Akahira-Sunose method displayed a similar trend. The values from the Flynn-Wall-Ozawa and Starink methods were comparable, although the former gave higher R2 values. The Eα values gradually decreased from 269.75 kJ/mol to 184.18 kJ/mol as the degree of conversion (α) increased from 0.1 to 0.8. Beyond this range, the Eα slightly increased to 211.31 kJ/mol. The model-fitting method of Coats-Redfern was used to predict the possible reaction mechanism, for which the first-order model resulted in higher R2 values than and comparable Eα values to those obtained from the Flynn-Wall-Ozawa method. The pre-exponential factors (lnA) were calculated based on the F1 reaction model and the Flynn-Wall-Ozawa method, and fell in the range 59.34-48.05. The study of the kinetic compensation effect confirmed that a compensation effect existed between Ea and lnA during the plastic waste pyrolysis
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|a Journal Article
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|a Plastic waste
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|a acrylonitrile-butadiene-styrene
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|a model-fitting method
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|a model-free method
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4 |
|a pyrolysis kinetics
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| 650 |
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|a Plastics
|2 NLM
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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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| 700 |
1 |
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|a Tang, Junhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Wei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 38(2020), 1_suppl vom: 03. Mai, Seite 77-85
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:38
|g year:2020
|g number:1_suppl
|g day:03
|g month:05
|g pages:77-85
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| 856 |
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|u http://dx.doi.org/10.1177/0734242X19897814
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