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Issue 5, 2017
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Robust, non-fouling liters-per-day flow synthesis of ultra-small catalytically active metal nanoparticles in a single-channel reactor

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Abstract

In this communication, we demonstrate the robust, non-fouling continuous synthesis of catalytically active palladium nanoparticles using a triphasic segmented flow in a hybrid milli–meso flow reactor, which not only allows us to completely eliminate fouling over extended operational duration, but also allows the achievement of ∼10 L per day volumetric productivity in a single-channel reactor. From the synthesis perspective, we select the harshest challenge for this demonstration – the aqueous flow synthesis of metal nanoparticles using the strong, gas-evolving reducing agent sodium borohydride. We also present comparative evaluations of the catalytic activities of flow-synthesized nanoparticles compared to their batch counterparts in a model hydrogenation reaction to highlight the consistency and quality of the nanoparticles produced by the scaled-up flow synthesis.

Graphical abstract: Robust, non-fouling liters-per-day flow synthesis of ultra-small catalytically active metal nanoparticles in a single-channel reactor

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Article information


Submitted
20 May 2017
Accepted
30 Jun 2017
First published
30 Jun 2017

React. Chem. Eng., 2017,2, 636-641
Article type
Communication

Robust, non-fouling liters-per-day flow synthesis of ultra-small catalytically active metal nanoparticles in a single-channel reactor

W. K. Wong, S. K. Yap, Y. C. Lim, S. A. Khan, F. Pelletier and E. C. Corbos, React. Chem. Eng., 2017, 2, 636
DOI: 10.1039/C7RE00072C

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