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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2283407
|2 doi
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|a pubmed24n1524.xml
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|a (DE-627)NLM364422912
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|a (NLM)37950631
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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 |
1 |
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|a Song, Siduo
|e verfasserin
|4 aut
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|a Kinetic analysis of slow pyrolysis of oily sludge at medium temperature (350 ℃-650 ℃) and the effects of heating rate on pyrolysis
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|c 2024
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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 05.09.2024
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a ABSTRACTPyrolysis is an effective way for the harmless treatment of oily sludge. The composition, physicochemical properties, and pyrolysis of oily sludge were experimentally studied in the present study. The Starink and Coats-Redfern methods were used to analyze the pyrolysis kinetics of oily sludge. Pyrolysis of oily sludge is divided into four stages: water evaporation stage, light component evaporation stage, heavy component pyrolysis stage, and final pyrolysis stage. The light component evaporation and heavy component pyrolysis stages are the main stages of medium-temperature pyrolysis. The pyrolysis characteristic parameters under heating rates of 10, 20, 30, and 40 K/min were obtained, and the effects of heating rates on the pyrolysis characteristics of oily sludge were discussed. The results show that with the increase in heating rate, the temperature range of each stage expands, and the temperature of the pyrolysis peaks also increases, with an average increase of 14.88%. The activation energies of the main pyrolysis stages obtained by the Starink method and Coats-Redfern method are consistent. In the light component evaporation stage, the activation energies obtained by the two methods are 61.93kJ/mol and 68.6kJ/mol, while the activation energies are 294.88kJ/mol and 367kJ/mol in the heavy component pyrolysis stage. The pyrolysis mechanism functions are obtained, and the pyrolysis kinetic equations under 10, 20, 30, and 40 K/min were constructed and validated by comparison with the results of the calculated properties and experimental measurement. This study can provide a better insight into the heat and mass transfer processes of oily sludge in pyrolysis reactors for further development and optimization
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|a Journal Article
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|a Oily sludge
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|a heating rate
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4 |
|a medium temperature
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| 650 |
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4 |
|a pyrolysis kinetics
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| 650 |
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4 |
|a slow pyrolysis
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7 |
|a Sewage
|2 NLM
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| 650 |
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7 |
|a Oils
|2 NLM
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| 700 |
1 |
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|a Liu, Xuedong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Tao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Huaxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Zhiqiang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 23 vom: 01. Sept., Seite 4900-4913
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:45
|g year:2024
|g number:23
|g day:01
|g month:09
|g pages:4900-4913
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|u http://dx.doi.org/10.1080/09593330.2023.2283407
|3 Volltext
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