Ye Gan, Qi Hui, Li Xiaolin, Leng Kunyue, Sun Yinyong, Xu Wei
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China.
The Second Hospital of Jilin University, Changchun, 130041, China.
Chemphyschem. 2017 Jul 19;18(14):1903-1908. doi: 10.1002/cphc.201700182. Epub 2017 Jun 1.
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.
氧化脱硫被认为是生产超低硫燃料最具前景的方法之一，因为它能在温和条件下有效去除难处理的含硫芳香族化合物。在本工作中，通过钛离子交换，UiO-66(Zr)的氧化脱硫性能得到了极大提高。该策略不仅对具有晶体缺陷的UiO-66(Zr)有效，对高结晶度的UiO-66(Zr)也有效。特别是，高结晶度的UiO-66(Zr)在二苯并噻吩氧化脱硫中的性能可提高11倍以上，这主要归因于活性钛位点的引入。
