Mechanochemical effects underlying the mechanically activated catalytic hydrogenation of carbon monoxide

Sci Rep. 2023 Feb 11;13(1):2470. doi: 10.1038/s41598-023-28972-8.


In this work, we highlight and measure the intensity of mechanochemical effects at work in the hydrogenation of carbon monoxide by comparing the activity of a supported Co-Fe catalyst subjected, respectively, to ball milling and simple powder agitation. Paying due regard to the discontinuous nature of ball milling, we show that mechanochemical hydrogenation proceeds at significantly higher rate and disclose its connection with individual impacts. Experimental evidence suggests that the enhanced catalytic activity we observe can be ascribed to local processes affecting the amount of powder that gets involved in individual impacts.

PMID:36774396 | PMC:PMC9922255 | DOI:10.1038/s41598-023-28972-8


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