Afficher la notice abrégée

hal.structure.identifierResearch Group for Advanced Materials & Sustainable Catalysis [AMSC]
hal.structure.identifierCollege of Chemistry and Chemical Engineering
dc.contributor.authorSHE, Qi Ming
hal.structure.identifierResearch Group for Advanced Materials & Sustainable Catalysis [AMSC]
dc.contributor.authorLIU, Jia Hui
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorAYMONIER, Cyril
hal.structure.identifierResearch Group for Advanced Materials & Sustainable Catalysis [AMSC]
hal.structure.identifierQing Yang Institute for Industrial Minerals
dc.contributor.authorZHOU, Chun Hui
dc.date.issued2021
dc.identifier.issn2468-8231
dc.description.abstractEnMicroreactor is capable of intensifying catalytic reaction processes. The fabricating of catalytic film inside microchannels for catalytic reaction remains a challenge. Here we report a facile method for in situ fabrication of layered double hydroxide (LDH) film immobilizing gold nanoparticles in capillary microreactor. Through adjusting the reaction condition of in situ hydrothermal crystallization process and flow deposition process inside microchannel, film thickness, film morphology and Au loading of Au/LDH coating can be finely controlled. Such Au/LDH film inside microchannel exhibited good performance in catalytic carbonylation of glycerol with urea. The yield of glycerol carbonate reached 31.9% at flow rate of 10 µl/min, residence time of 6.62 min and reaction temperature of 413 K under atmospheric pressure. The maximum productivity of 3.78 g∙h−1⋅g−1 was obtained at flow rate of 40 µl/min and residence time of 1.65 min under same reaction temperature and pressure. Continuously running the microreactor for 30 h proved the high stability of this catalytic film inside microchannels. This approach could be extended to fabricate other diatomic and triatomic metal LDH films immobilizing metal nanoparticles inside microchannels for heterogeneous catalysis.
dc.language.isoen
dc.publisherElsevier
dc.subject.enCapillary microreactor
dc.subject.enLDH film
dc.subject.enGlycerol
dc.subject.enUrea
dc.subject.enAu nanoparticles
dc.subject.enCatalytic carbonylation
dc.title.enIn situ fabrication of layered double hydroxide film immobilizing gold nanoparticles in capillary microreactor for efficient catalytic carbonylation of glycerol
dc.typeArticle de revue
dc.identifier.doi10.1016/j.mcat.2021.111825
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Catalyse
dc.subject.halChimie/Chimie organique
bordeaux.journalMolecular Catalysis
bordeaux.page111825
bordeaux.volume513
bordeaux.peerReviewedoui
hal.identifierhal-03339915
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03339915v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Molecular%20Catalysis&rft.date=2021&rft.volume=513&rft.spage=111825&rft.epage=111825&rft.eissn=2468-8231&rft.issn=2468-8231&rft.au=SHE,%20Qi%20Ming&LIU,%20Jia%20Hui&AYMONIER,%20Cyril&ZHOU,%20Chun%20Hui&rft.genre=article


Fichier(s) constituant ce document

FichiersTailleFormatVue

Il n'y a pas de fichiers associés à ce document.

Ce document figure dans la(les) collection(s) suivante(s)

Afficher la notice abrégée