Molecules, Volume 25, Issue 1 (January-1 2020) – 238 articles
Cover Story (view full-size image): Nitroaromatics are widely used compounds in industrial processes, and as a result are among the most common anthropogenic pollutants. Their catalytic reduction to less toxic and synthetically useful aminophenols may be a viable remediation strategy. To date, the majority of work focuses on precisely tailored noble metal-based nanocatalysts. The cost of such systems hampers practical application. We report a facile route to bulk cobalt oxide-based materials, via a combined mechanochemical and calcination approach. Vibratory ball milling of CoCl2(H2O)6 with KOH, and subsequent calcination, afforded three cobalt oxide-based materials with different combinations of CoO(OH), Co(OH)2, and Co3O4. All three proved active for the reduction of 4-nitrophenol and related aminonitrophenols. View this paper.
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