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Hydroliquefaction of Two Kraft Lignins in a Semibatch Setup under Process Conditions Applicable for Large-Scale Biofuel Production

  • Hydroliquefaction is a possible pathway to produce liquid transportation fuels from solid feedstocks like coal or biomass. Though much effort has been put into the investigation of maximizing the oil yield using expensive catalysts and pasting oils in batch setups, little is known about how to commercialize the process. This work aims at the demonstration of lignin hydroliquefaction under conditions interesting for commercial operation. The results from hydroliquefaction experiments of two different lignin types using a cheap iron-based catalyst and anthracene oil as the pasting oil in a semibatch system are presented here. Oil yields of above 50% are reached without observing coke formation. Extensive analyses of the feedstocks and product oils were performed. The process supplies high-quality oil, while differences in the decomposition path of both lignin types are observed. An high heating value of 39 400 J/g and H/C and O/C ratios of up to 1.6 and 0.1, respectively, are detectedHydroliquefaction is a possible pathway to produce liquid transportation fuels from solid feedstocks like coal or biomass. Though much effort has been put into the investigation of maximizing the oil yield using expensive catalysts and pasting oils in batch setups, little is known about how to commercialize the process. This work aims at the demonstration of lignin hydroliquefaction under conditions interesting for commercial operation. The results from hydroliquefaction experiments of two different lignin types using a cheap iron-based catalyst and anthracene oil as the pasting oil in a semibatch system are presented here. Oil yields of above 50% are reached without observing coke formation. Extensive analyses of the feedstocks and product oils were performed. The process supplies high-quality oil, while differences in the decomposition path of both lignin types are observed. An high heating value of 39 400 J/g and H/C and O/C ratios of up to 1.6 and 0.1, respectively, are detected for the produced bio-oils.zeige mehrzeige weniger

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Autor*innen:I. Schneider, Katharina Kebelmann, S. Risse, A. Dieguez-Alonso, Bernhard SchartelORCiD, C. Strecker, F. Behrendt
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Energy & Fuels
Jahr der Erstveröffentlichung:2019
Organisationseinheit der BAM:7 Bauwerkssicherheit
7 Bauwerkssicherheit / 7.5 Technische Eigenschaften von Polymerwerkstoffen
Verlag:ACS
Jahrgang/Band:33
Ausgabe/Heft:11
Erste Seite:11057
Letzte Seite:11066
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Angewandte Physik
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Biofuel; Hydroliquefaction; Lignin
Themenfelder/Aktivitätsfelder der BAM:Energie
Infrastruktur
Infrastruktur / Fire Science
DOI:10.1021/acs.energyfuels.9b02572
ISSN:0887-0624
ISSN:1520-5029
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.12.2019
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:19.12.2019
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