Fundamental principles governing selective oxidation and ammoxidation catalysis comprise the concepts of the role of lattice oxygen, metal-oxygen bond strength, host structure, redox, multifunctionality of active sites, site isolation, and phase cooperation; they are sometimes referred to as the “seven pillars” of selective heterogeneous oxidation catalysis.<br/><br/>The application of these principles over the past fifty years led to a better understanding of the mechanistic processes involved in selective oxidation catalysis and contributed significantly to the discovery of ever more efficient and environmentally friendlier catalysts. The principles are still valid and applicable as guidelines to further catalyst discoveries.<br/><br/>The utilization of these fundamental principles is particularly useful, since approximately one quarter of the industrially most important organic chemicals and intermediates is produced by selective heterogeneous oxidation catalysis. The products include: acrolein, acrylic acid, acrylonitrile, methacrylic acid, maleic anhydride, phthalic anhydride, ethylene oxide and propylene oxide.

Important fundamental principles of selective heterogeneous oxidation catalysis (“7 pillars of oxidation catalysis”)

249th National Meeting (2015)

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