- Enhancement of Oxidative Desulfurization Performance over UiO-66(Zr) by Titanium Ion Exchange.
Enhancement of Oxidative Desulfurization Performance over UiO-66(Zr) by Titanium Ion Exchange.
Chemphyschem : a European journal of chemical physics and physical chemistry (2017-04-25)
Gan Ye, Hui Qi, Xiaolin Li, Kunyue Leng, Yinyong Sun, Wei Xu
PMID28437581
RESUMEN
Oxidative desulfurization is considered to be one of the most promising methods for producing ultra-low-sulfur fuels because it can effectively remove refractory sulfur-containing aromatic compounds under mild conditions. In this work, the oxidative desulfurization performance over UiO-66(Zr) is greatly enhanced by Ti ion exchange. This strategy is not only efficient for UiO-66(Zr) with crystal defects but also for UiO-66(Zr) with high crystallinity. In particular, the performance of UiO-66(Zr) with high crystallinity in the oxidative desulfurization of dibenzothiophene can be improved more than 11-fold, which can be mainly attributed to the introduction of active Ti sites.
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