Robust Mesoporous CoMo/γ-Al2O3 Catalysts ...
Type de document :
Article dans une revue scientifique
DOI :
URL permanente :
Titre :
Robust Mesoporous CoMo/γ-Al2O3 Catalysts from Cyclodextrin-Based Supramolecular Assemblies for Hydrothermal Processing of Microalgae: Effect of the Preparation Method
Auteur(s) :
Bleta, Rudina [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Schiavo, Benedetto [Auteur]
Corsaro, Natale [Auteur]
Costa, Paula [Auteur]
Giaconia, Alberto [Auteur]
Interrante, Leonardo [Auteur]
Monflier, Eric [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Pipitone, Giuseppe [Auteur]
Ponchel, Anne [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Sau, Salvatore [Auteur]
Scialdone, Onofrio [Auteur]
Tilloy, Sebastien [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Galia, Alessandro [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Schiavo, Benedetto [Auteur]
Corsaro, Natale [Auteur]
Costa, Paula [Auteur]
Giaconia, Alberto [Auteur]
Interrante, Leonardo [Auteur]
Monflier, Eric [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Pipitone, Giuseppe [Auteur]
Ponchel, Anne [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Sau, Salvatore [Auteur]
Scialdone, Onofrio [Auteur]
Tilloy, Sebastien [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
UCCS Équipe Catalyse Supramoléculaire
Galia, Alessandro [Auteur]
Titre de la revue :
ACS Applied Materials & Interfaces
Nom court de la revue :
ACS Appl. Mater. Interfaces
Numéro :
10
Pagination :
12562-12579
Éditeur :
ACS
Date de publication :
2018-03-26
Mot(s)-clé(s) en anglais :
heterogeneous catalysts
microalgae
hydrothermal liquefaction
cyclodextrin
biocrude
microalgae
hydrothermal liquefaction
cyclodextrin
biocrude
Discipline(s) HAL :
Chimie/Catalyse
Résumé en anglais : [en]
Hydrothermal liquefaction (HTL) is a promising technology for the production of biocrude oil from microalgae. Although this catalyst-free technology is efficient under high-temperature and high-pressure conditions, the ...
Lire la suite >Hydrothermal liquefaction (HTL) is a promising technology for the production of biocrude oil from microalgae. Although this catalyst-free technology is efficient under high-temperature and high-pressure conditions, the biocrude yield and quality can be further improved by using heterogeneous catalysts. The design of robust catalysts that preserve their performance under hydrothermal conditions will be therefore very important in the development of biorefinery technologies. In this work, we describe two different synthetic routes (i.e., impregnation and cyclodextrin-assisted one-pot colloidal approach), for the preparation in aqueous phase of six high surface area CoMo/γ-Al2O3 catalysts. Catalytic tests performed on the HTL of Nannochloropsis gaditana microalga indicate that solids prepared by the one-pot colloidal approach show higher hydrothermal stability and enhanced biocrude yield with respect to the catalyst-free test. The positive effect of the substitution of the block copolymer Tetronic T90R4 for Pluronic F127 in the preparation procedure was evidenced by diffuse reflectance UV–visible spectroscopy, X-ray diffraction, N2-adsorption–desorption, and H2-temperature-programmed reduction measurements and confirmed by the higher quality of the obtained biocrude, which exhibited lower oxygen content and higher-energy recovery equal to 62.5% of the initial biomass.Lire moins >
Lire la suite >Hydrothermal liquefaction (HTL) is a promising technology for the production of biocrude oil from microalgae. Although this catalyst-free technology is efficient under high-temperature and high-pressure conditions, the biocrude yield and quality can be further improved by using heterogeneous catalysts. The design of robust catalysts that preserve their performance under hydrothermal conditions will be therefore very important in the development of biorefinery technologies. In this work, we describe two different synthetic routes (i.e., impregnation and cyclodextrin-assisted one-pot colloidal approach), for the preparation in aqueous phase of six high surface area CoMo/γ-Al2O3 catalysts. Catalytic tests performed on the HTL of Nannochloropsis gaditana microalga indicate that solids prepared by the one-pot colloidal approach show higher hydrothermal stability and enhanced biocrude yield with respect to the catalyst-free test. The positive effect of the substitution of the block copolymer Tetronic T90R4 for Pluronic F127 in the preparation procedure was evidenced by diffuse reflectance UV–visible spectroscopy, X-ray diffraction, N2-adsorption–desorption, and H2-temperature-programmed reduction measurements and confirmed by the higher quality of the obtained biocrude, which exhibited lower oxygen content and higher-energy recovery equal to 62.5% of the initial biomass.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
ENSCL
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Collections :
Équipe(s) de recherche :
Catalyse et chimie supramoléculaire (CASU)
Date de dépôt :
2019-09-25T14:37:54Z
2021-03-17T11:31:39Z
2021-03-17T11:31:39Z