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Mesoporous zeolitic materials (MZMs) derived from zeolite Y using a microwave method for catalysis

Abdulridha, Samer, Jiao, Yilai, Xu, Shaojun, Zhang, Rongxin, Garforth, Arthur A. and Fan, Xiaolei 2020. Mesoporous zeolitic materials (MZMs) derived from zeolite Y using a microwave method for catalysis. Frontiers in Chemistry 8 , 482. 10.3389/fchem.2020.00482

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Mesostructured zeolitic materials (MZMs) with relatively high acidity in comparison with the mesoporous siliceous MCM-41 were prepared via an efficient, mild, and simple post-synthetic treatment of Y zeolite facilitated by microwave irradiation, i.e., microwave-assisted chelation (MWAC). The disordered mesoporous aluminosilicates materials (DMASs) of MZM were created from Y zeolite in the absence of using mesoscale templates. The prepared DMASs showed the good mesoporous features with the mesopore area and volume of ~260 m2 g−1 and ~0.37 cm3 g−1, respectively, and with the mesopore sizes distributed in a range of 2–10 nm. MZMs possess a total acidity of about 0.6 mmol g−1 and exhibited comparatively superior catalytic activity to the parent Y zeolite and MCM-41 in the vapor phase catalytic dealkylation of 1,3,5-triisopropylbenzene (TiPBz) and liquid phase catalytic aldol condensation of benzaldehyde with 1-heptanal. Although the yield loss was inevitable for preparing MZMs using the MWAC method, the preliminary economic analysis of the preparation cost of MZMs showed the promise. Additionally, a comprehensive comparison of the state-of-the-art mesoporous materials concerning their sustainable aspects was made, showing that MZMs are promising mesoporous materials for further development and functionalization for catalysis.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Frontiers Media
ISSN: 2296-2646
Date of First Compliant Deposit: 10 March 2021
Date of Acceptance: 11 May 2020
Last Modified: 11 Mar 2021 15:45

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