Main > ORGANIC CHEMICALS > Aliphatics > Anhydrides > Maleic Anhydride > Production > Butane + Oxygen Reaction. > Catalyst. > Vanadyl PyroPhosphate (VO)2P2O7 > Mechanism Studied by > In Situ TEM (Abbrev.) Microscopy

Product USA. D

MECHANISM OF ACTION Through a series of in situ TEM experiments, authors deduced that the catalytic chemistry proceeds by way of a novel glide-shear mechanism (a type of crystal transformation) that enables vanadyl pyrophosphate to provide oxygen to butane while preserving active surface sites and without the catalyst's crystal lattice collapsing. Oxygen is replenished from the gas phase. Author says the work led to the development of longer lasting catalysts.
UPDATE 08.02
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