An energy-efficient route to the rapid synthesis of organically-modified SBA-15 via ultrasonic template removal


A low energy route for the removal of Pluronic P123 surfactant template during the synthesis of SBA-15 mesoporous silicas is explored. The conventional reflux of the hybrid inorganic-organic intermediate formed during co-condensation routes to Pr-SOH-SBA-15 is slow, utilises large solvent volumes, and requires 24 h to remove ∼90% of the organic template. In contrast, room temperature ultrasonication in a small methanol volume achieves the same degree of template extraction in only 5 min, with a 99.9% energy saving and 90% solvent reduction, without compromising the textural, acidic or catalytic properties of the resultant Pr-SOH-SBA-15.

Divisions: College of Engineering & Physical Sciences > School of Infrastructure and Sustainable Engineering > Chemical Engineering & Applied Chemistry
College of Engineering & Physical Sciences > Energy and Bioproducts Research Institute (EBRI)
Additional Information: This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Funding: EPSRC [EP/G007594/2, EP/F063423/2]; Royal Society
Publication ISSN: 1463-9270
Last Modified: 29 Nov 2023 10:49
Date Deposited: 07 Aug 2014 15:10
Full Text Link: http://pubs.rsc ... 4a#!divAbstract
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2014
Published Online Date: 2013-09-17
Authors: Pirez, Cyril
Wilson, Karen
Lee, Adam F.



Version: Published Version

License: Creative Commons Attribution

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