Cleaning up their act: Sulfur compounds in fuels can be selectively converted into SO2 by mixing the fuel with a small amount of air at around 300 °C at ambient pressure in a continuous-flow reactor packed with catalysts such as Pt/CeO2, Cu/CeO2, and CuO/ZnO/Al2O3. The aerobic oxidative desulfurization process opens up a cost-effective new technology for cleaning fuels.
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