Investigating pyrolysis characteristics of Shengdong coal through Py-GC/MS
Abstract: Shengdong coal was single-step and multi-step pyrolyzed by pyrolysis-gas chromatography/mass spectrometry. In the single-step pyrolysis process, Mono-ring aromatics contents reach a maximum value at 800°C, while phenolic contents are significantly reduced, which might be attributed to the dehydroxylation of phenolics. Naphthalene content also reaches a maximum value at 800°C in the single-step pyrolysis process; however, naphthalene was not detected in the multi-step pyrolysis process. So naphthalene might come from the ring-opening of multi-ring aromatics or the cyclization of mono-ring aromatics in the single-step pyrolysis process. Only phenol and o-cresol were detected, but no p-cresol in the multi-step pyrolysis process; however, p-cresol content reaches a maximum value at 800°C, meanwhile, phenol content was decreased and o-cresol was disappeared in the single-step pyrolysis process, which suggests that p-cresol may be derived from isomerization of o-cresol or alkylation of phenol. It provides an idea for strengthening more basic research related to the rapid pyrolysis of coal.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Investigating pyrolysis characteristics of Shengdong coal through Py-GC/MS ; volume:21 ; number:1 ; year:2023 ; extent:12
Open chemistry ; 21, Heft 1 (2023) (gesamt 12)
- Urheber
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Su, Xiaoping
Wang, Xiangtong
Li, Ning
Shen, Tao
Zhang, Ping
Sun, Ming
Ma, Xiaoxun
- DOI
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10.1515/chem-2023-0112
- URN
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urn:nbn:de:101:1-2023092714185424876528
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:52 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Su, Xiaoping
- Wang, Xiangtong
- Li, Ning
- Shen, Tao
- Zhang, Ping
- Sun, Ming
- Ma, Xiaoxun
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