A combination of spectroscopic and catalytic investigations led to the surprising conclusion that not isolated W VI species but WO 3 oxide is the most active and stable phase for olefin epoxidation with H 2 O 2 . Optimal activity was subsequently found for a nanoparticulate WO 3 prepared by flame aerosol technology. This material is characterized by a 50% increase in activity per W VI site, and a 35-fold increase in space time yield, compared with the current benchmark catalyst.

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Hydrogen from natural gas with CO2 capture can be a key transition technology to a low carbon energy system due to the abundance of natural gas and the possibility to...

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