Abstract
The catalytic system of pristine simple tungstic acid and quaternary ammonium salts has been found suitable for deep removal of sulfur in diesel with H2O2 as oxidant. The longer the length of the carbon chain of the quaternary ammonium salt is, the better its catalytic activity is in desulfurization. By combining oxidation and extraction with dimethylformamide, low sulfur level in diesel could be obtained.
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Li, H., Zhu, W., Lu, J. et al. Deep oxidative desulfurization of fuels catalyzed by pristine simple tungstic acid. React Kinet Catal Lett 96, 165–173 (2009). https://doi.org/10.1007/s11144-009-5426-7
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DOI: https://doi.org/10.1007/s11144-009-5426-7