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Continuous-flow synthesis of mesoporous SBA-15

Parlett, Christopher MA; Arandiyan, Hamidreza; Durndell, Lee J; Isaacs, Mark A; Lopez, Antonio Torres; Wong, Roong J; Wilson, Karen; (2022) Continuous-flow synthesis of mesoporous SBA-15. Microporous and Mesoporous Materials , 329 , Article 111535. 10.1016/j.micromeso.2021.111535. Green open access

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Abstract

Ordered mesoporous silicas are widely used in separation science and catalysis, however, their slow batch synthesis is a barrier to scale-up and new applications. SBA-15 is one of the most extensively studied and commercially available mesoporous silicas, whose textural properties can be readily tuned through judicious choice of synthesis conditions. Here we demonstrate the continuous flow synthesis of SBA-15 in high yield at 80 °C using a simple tube reactor without any mixing device. The resulting SBA-15 exhibits excellent textural properties, with a BET surface area of 566 m^{2} g^{−1} and ordered 5.1 nm mesopore channels in a p6mm arrangement, akin to those from conventional batch synthesis, but with far higher productivity than previously reported in batch or flow (5.3 g L^{−1} h^{−1} versus 0.4 and 0.6 g L^{−1} h^{−1} respectively).

Type: Article
Title: Continuous-flow synthesis of mesoporous SBA-15
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.micromeso.2021.111535
Publisher version: https://doi.org/10.1016/j.micromeso.2021.111535
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: Mesoporous silica, Continuous flow, SBA-15, Material synthesis
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10157042
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