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Keywords = Raney-copper catalyst

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17 pages, 4703 KiB  
Article
3D-Printed Raney-Cu POCS as Promising New Catalysts for Methanol Synthesis
by Maximilian J. Poller, Christina Renz, Torsten Wolf, Carolin Körner, Peter Wasserscheid and Jakob Albert
Catalysts 2022, 12(10), 1288; https://doi.org/10.3390/catal12101288 - 21 Oct 2022
Cited by 3 | Viewed by 2453
Abstract
Simultaneous generation and activation of Raney-type periodic open cellular structures (POCS) is a highly promising approach for generating novel structured methanol synthesis catalysts. In detail, we produced stable and highly active POCS from a Cu50Al50 alloy by additive manufacturing via Powder Bed Fusion [...] Read more.
Simultaneous generation and activation of Raney-type periodic open cellular structures (POCS) is a highly promising approach for generating novel structured methanol synthesis catalysts. In detail, we produced stable and highly active POCS from a Cu50Al50 alloy by additive manufacturing via Powder Bed Fusion by Electron Beam (PBF-EB) and activated them via selective leaching of aluminum in a sodium hydroxide/sodium zincate solution. The Raney-type Cu structures possessed catalytic methanol productivities of up to 2.2 gMeOHgnp-Cu h−1 (PBF-EB sticks) and 1.9 gMeOHgnp-Cu h−1 (PBF-EB POCS), respectively. Moreover, it was found that besides the nanoporous layer thickness, an optimum Zn/Cu ratio of 0.3–0.4 can also by adjusted by the leaching conditions. Full article
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