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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X20939635
|2 doi
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|a pubmed24n1041.xml
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|a DE-627
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|a eng
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|a Lin, Yousheng
|e verfasserin
|4 aut
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|a Chemical structure analysis and fast micro-pyrolysis study of hydrochar derived from hydrothermal treatment of municipal solid waste
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.02.2021
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|a Date Revised 10.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Hydrothermal treatment (HTT) experiments were conducted at 210○C and 230○C with 30, 60 and 90 min residence times. Fourier transform infrared spectroscopy (FT-IR) and 13C solid-state nuclear magnetic resonance (NMR) were employed to elucidate the effect of HTT on the chemical structure of municipal solid waste. FT-IR results clearly demonstrate that decarboxylation and aromatization reactions occurred during HTT. Fewer types of carbon skeleton structures were observed in the 13C solid-state NMR of hydrochars. The aliphaticity yield increased from 74.84% to 91.57% with increasing experiment parameters. In addition, the aromatization reaction was more dramatic in the early stage time, while carbonyl compounds decomposed during the HTT process. Pyrolysis gas chromatography mass spectrometry analysis showed that HTT had positive effects on the simplification of the pyrolytic gas component. In addition, all hydrochars were significantly inhibited to the formation of aromatic compounds with a minor relative peak area of 19.89%. Moreover, hydrochars obtained at a relatively low temperature could achieve a higher yield of hydrocarbons, and hydrocarbons could be partly purified after the HTT process. Overall, the available values of fast pyrolysis products were upgraded by the HTT process
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|a Journal Article
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|a 13C solid-state nuclear magnetic resonance
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|a Fast pyrolysis
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|a hydrothermal treatment
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|a municipal solid waste
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| 650 |
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|a pyrolysis gas chromatography/mass spectroscopy
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| 650 |
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|a transform infrared spectrometer
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| 650 |
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|a Solid Waste
|2 NLM
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| 700 |
1 |
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|a Ge, Ya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Baiman
|e verfasserin
|4 aut
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| 700 |
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|a Xiao, Hanmin
|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 39(2021), 2 vom: 31. Feb., Seite 270-278
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2021
|g number:2
|g day:31
|g month:02
|g pages:270-278
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|u http://dx.doi.org/10.1177/0734242X20939635
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