Mostrar el registro sencillo del ítem
In situ fabrication of layered double hydroxide film immobilizing gold nanoparticles in capillary microreactor for efficient catalytic carbonylation of glycerol
hal.structure.identifier | Research Group for Advanced Materials & Sustainable Catalysis [AMSC] | |
hal.structure.identifier | College of Chemistry and Chemical Engineering | |
dc.contributor.author | SHE, Qi Ming | |
hal.structure.identifier | Research Group for Advanced Materials & Sustainable Catalysis [AMSC] | |
dc.contributor.author | LIU, Jia Hui | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | AYMONIER, Cyril | |
hal.structure.identifier | Research Group for Advanced Materials & Sustainable Catalysis [AMSC] | |
hal.structure.identifier | Qing Yang Institute for Industrial Minerals | |
dc.contributor.author | ZHOU, Chun Hui | |
dc.date.issued | 2021 | |
dc.identifier.issn | 2468-8231 | |
dc.description.abstractEn | Microreactor 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.iso | en | |
dc.publisher | Elsevier | |
dc.subject.en | Capillary microreactor | |
dc.subject.en | LDH film | |
dc.subject.en | Glycerol | |
dc.subject.en | Urea | |
dc.subject.en | Au nanoparticles | |
dc.subject.en | Catalytic carbonylation | |
dc.title.en | In situ fabrication of layered double hydroxide film immobilizing gold nanoparticles in capillary microreactor for efficient catalytic carbonylation of glycerol | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1016/j.mcat.2021.111825 | |
dc.subject.hal | Chimie/Matériaux | |
dc.subject.hal | Chimie/Catalyse | |
dc.subject.hal | Chimie/Chimie organique | |
bordeaux.journal | Molecular Catalysis | |
bordeaux.page | 111825 | |
bordeaux.volume | 513 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-03339915 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-03339915v1 | |
bordeaux.COinS | ctx_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 |
Archivos en el ítem
Archivos | Tamaño | Formato | Ver |
---|---|---|---|
No hay archivos asociados a este ítem. |