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Open AccessFeature PaperArticle

Tailoring Cu Nanoparticle Catalyst for Methanol Synthesis Using the Spinning Disk Reactor

Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Kjølnes Ring 56, 3918 Porsgrunn, Norway
School of Engineering, Merz Court, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway
Author to whom correspondence should be addressed.
Materials 2018, 11(1), 154;
Received: 22 December 2017 / Revised: 9 January 2018 / Accepted: 15 January 2018 / Published: 17 January 2018
Cu nanoparticles are known to be very active for methanol (MeOH) synthesis at relatively low temperatures, such that smaller particle sizes yield better MeOH productivity. We aimed to control Cu nanoparticle (NP) size and size distribution for catalysing MeOH synthesis, by using the spinning disk reactor. The spinning disk reactor (SDR), which operates based on shear effect and plug flow in thin films, can be used to rapidly micro-mix reactants in order to control nucleation and particle growth for uniform particle size distribution. This could be achieved by varying both physical and chemical operation conditions in a precipitation reaction on the SDR. We have used the SDR for a Cu borohydride reduction to vary Cu NP size from 3 nm to about 55 nm. XRD and TEM characterization confirmed the presence of Cu2O and Cu crystallites when the samples were dried. This technique is readily scalable for Cu NP production by processing continuously over a longer duration than the small-scale tests. However, separation of the nanoparticles from solution posed a challenge as the suspension hardly settled. The Cu NPs produced were tested to be active catalyst for MeOH synthesis at low temperature and MeOH productivity increased with decreasing particle size. View Full-Text
Keywords: Cu nanoparticles; spinning disc reactor; methanol synthesis; low temperature Cu nanoparticles; spinning disc reactor; methanol synthesis; low temperature
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Ahoba-Sam, C.; Boodhoo, K.V.K.; Olsbye, U.; Jens, K.-J. Tailoring Cu Nanoparticle Catalyst for Methanol Synthesis Using the Spinning Disk Reactor. Materials 2018, 11, 154.

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