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Comparative studies of co-conversion of waste activated sludge and lignocellulosic wastes through hydrothermal liquefaction

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DOITrouver le DOI : https://doi.org/10.1016/j.biombioe.2025.107671
AuteurRechercher : 1; Rechercher : ; Rechercher : ; Rechercher :
Affiliation
  1. Conseil national de recherches Canada. Développement des cultures et des ressources aquatiques
Bailleur de fondsRechercher : Networks of Centres of Excellence of Canada; Rechercher : Natural Sciences and Engineering Research Council of Canada
FormatTexte, Article
Sujethydrothermal liquefaction; co-conversion; waste activated sludge; lignocellulosic biomass
Résumé
The effects of feedstock type on hydrothermal liquefaction were explored through the co-conversion of waste activated sludge and various lignocellulosic biomass sources, including birchwood sawdust, cornstalk, and waste newspaper. This investigation aimed to produce bio-oil under consistent conditions at 310 °C and a 10-min reaction time, with subsequent comparison to results obtained using single feedstocks. The co-feeding of sludge with cornstalk and sawdust demonstrated the highest bio-oil yields at 34.2 % and 33.7 % wt%, respectively. The comprehensive characterization of the bio-oil products revealed that feedstock type influenced elemental composition and, consequently, the higher heating value of the bio-oils. Bio-oils derived from co-feeds exhibited a significant presence of nitrogenous compounds, esters, and fatty acids in contrast to the high percentage of phenolic compounds found in bio-oils from single feedstocks. Furthermore, these co-feed bio-oils displayed lower molecular weights, higher quantities of low boiling point compounds, increased volatile matter content, and reduced fixed carbon content compared to bio-oils produced from single feedstocks.
Date de publication
Maison d’éditionElsevier
Licence
Dans
  • Biomass and Bioenergy 194, nº C, 107671 (mars 2025).
Langueanglais
Publications évaluées par des pairsOui
IdentificateurS0961953425000820
Exporter la noticeExporter en format RIS
Signaler une correctionSignaler une correction (s'ouvre dans un nouvel onglet)
Identificateur de l’enregistrement109aea98-1906-4d95-a56a-aa37e3dcd39d
Enregistrement créé2025-05-20
Enregistrement modifié2025-05-20

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