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

Par Conseil national de recherches du Canada

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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 du 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
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Identificateur de l’enregistrement109aea98-1906-4d95-a56a-aa37e3dcd39d
Enregistrement créé2025-05-20
Enregistrement modifié2025-05-20
Date de modification :