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Direct amide synthesis over composite magnetic catalysts in a continuous flow reactor
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Liu, Yawen and Rebrov, Evgeny V. (2021) Direct amide synthesis over composite magnetic catalysts in a continuous flow reactor. Catalysts, 11 (2). e146. doi:10.3390/catal11020146 ISSN 2073-4344.
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WRAP-Direct-amide-synthesis-over-composite-magnetic-catalysts-2021.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2618Kb) | Preview |
Official URL: https://doi.org/10.3390/catal11020146
Abstract
Composite magnetic catalysts containing different amounts of sulfated titania (33−50 wt %) have been prepared by means of high energy ball-milling between TiO2 and NiFe2O4. The catalysts have been characterized with N2 adsorption/desorption isotherms, XRD, temperature programmed oxidation (TPO) and vibrating sample magnetometer (VSM). The catalytic activity was measured in the reaction of aniline and 4-phenylbutyric acid in the continuous mode under conventional and inductive heating. The effect of catalyst loading in the reactor on reaction and deactivation has been studied, indicating the catalyst containing 50 wt % titania gave the highest reaction rate and least deactivation. The operation in a flow reactor under inductive heating increased the amide yield by 25% as compared to conventional heating. The initial reaction rate decreased by 30% after a period of 15 h on stream. The catalyst activity was fully restored after a treatment with an air flow at 400 °C.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
SWORD Depositor: | Library Publications Router | ||||||
Library of Congress Subject Headings (LCSH): | Induction heating , Amides, Amides -- Synthesis, Heterogeneous catalysis | ||||||
Journal or Publication Title: | Catalysts | ||||||
Publisher: | MDPI | ||||||
ISSN: | 2073-4344 | ||||||
Official Date: | 20 January 2021 | ||||||
Dates: |
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Volume: | 11 | ||||||
Number: | 2 | ||||||
Article Number: | e146 | ||||||
DOI: | 10.3390/catal11020146 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 27 January 2021 | ||||||
Date of first compliant Open Access: | 27 January 2021 | ||||||
RIOXX Funder/Project Grant: |
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