View in EDS

Effect of microwave irradiation on the synthesis of zeolite with ferrierite structure: Study of acid and catalytic properties.

Saved in:
Bibliographic Details
Title: Effect of microwave irradiation on the synthesis of zeolite with ferrierite structure: Study of acid and catalytic properties.
Authors: Makova, Anna S.1,2 (AUTHOR), Timofeeva, Maria N.1,3 (AUTHOR), Tkachenko, Olga P.1 (AUTHOR), Panchenko, Valentina N.3 (AUTHOR), Leonov, Alexander V.4 (AUTHOR), Kapustin, Gennady I.1 (AUTHOR), Davshan, Nikolay A.1 (AUTHOR), Kalmykov, Konstantin B.4 (AUTHOR), Kustov, Alexander L.2,4 (AUTHOR), Ter-Akopyan, Marina N.2 (AUTHOR), Kustov, Leonid M.1,2,4 (AUTHOR) lmk@ioc.ac.ru
Source: Colloids & Surfaces A: Physicochemical & Engineering Aspects. Nov2024:Part 2, Vol. 703, pN.PAG-N.PAG. 1p.
Subjects: Ferrierite, Hydrothermal synthesis, X-ray diffraction, Microwaves, Pyridine
Abstract: Ferrierite zeolite (FER) was synthesized under microwave conditions while varying the microwave exposure time from 6 to 12 h. For comparison, commercial FER and a FER zeolite synthesized by the conventional hydrothermal synthesis (72 h) were studied. The structure, texture, and acidic properties of the samples were investigated by XRD, low-temperature N 2 adsorption, ICP-AES, SEM, and DRIFT spectroscopy using adsorption of CO, CD 3 CN and pyridine as probe molecules. The catalytic characteristics of the obtained zeolites were studied in the cyclocondensation reaction of 1,2-phenylenediamine and acetone to produce 1,5-benzodiazepine. The activity of the zeolites in this reaction was found to increase with increasing microwave exposure time. The FER-MW sample synthesized in 12 h showed the best results. [Display omitted] • The zeolite with FER structure was synthesized by microwave-assisted (MW) method. • The synthesis time of FER zeolite was reduced to 6–12 h. • The acidic properties of the obtained FER depend on the MW synthesis time. • MW synthesis time affects the catalytic performance of FER. [ABSTRACT FROM AUTHOR]
Copyright of Colloids & Surfaces A: Physicochemical & Engineering Aspects is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Description
Abstract:Ferrierite zeolite (FER) was synthesized under microwave conditions while varying the microwave exposure time from 6 to 12 h. For comparison, commercial FER and a FER zeolite synthesized by the conventional hydrothermal synthesis (72 h) were studied. The structure, texture, and acidic properties of the samples were investigated by XRD, low-temperature N 2 adsorption, ICP-AES, SEM, and DRIFT spectroscopy using adsorption of CO, CD 3 CN and pyridine as probe molecules. The catalytic characteristics of the obtained zeolites were studied in the cyclocondensation reaction of 1,2-phenylenediamine and acetone to produce 1,5-benzodiazepine. The activity of the zeolites in this reaction was found to increase with increasing microwave exposure time. The FER-MW sample synthesized in 12 h showed the best results. [Display omitted] • The zeolite with FER structure was synthesized by microwave-assisted (MW) method. • The synthesis time of FER zeolite was reduced to 6–12 h. • The acidic properties of the obtained FER depend on the MW synthesis time. • MW synthesis time affects the catalytic performance of FER. [ABSTRACT FROM AUTHOR]
ISSN:09277757
DOI:10.1016/j.colsurfa.2024.135321