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Chem Soc Rev. 2013 Sep 21;42(18):7701-18. doi: 10.1039/c3cs60066a. Epub 2013 Jun 11.

Application of heterogeneous catalysts prepared by mechanochemical synthesis.

Chemical Society reviews

Kathryn Ralphs, Christopher Hardacre, Stuart L James

Affiliations

  1. Centre for the Theory and Application of Catalysis, School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5G, UK. [email protected] [email protected] [email protected].

PMID: 23752744 DOI: 10.1039/c3cs60066a

Abstract

Mechanochemical synthesis has the potential to provide more sustainable preparative routes to catalysts than the current multistep solvent-based routes. In this review, the mechanochemical synthesis of catalysts is discussed, with emphasis placed on catalysts for environmental, energy and chemical synthesis applications. This includes the formation of mixed-metal oxides as well as the process of dispersing metals onto solid supports. In most cases the process involves no solvent. Encouragingly, there are several examples where the process is advantageous compared with the more normal solvent-based methods. This can be because of process cost or simplicity, or, notably, where it provides more active/selective catalysts than those made by conventional wet chemical methods. The need for greater, and more systematic, exploration of this currently unconventional approach to catalyst synthesis is highlighted.

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