摘要：A new tungstovanadate K4[VW12O40]·21H2O has been prepared by a simple method first and then isolated as [C2(MIM)2]2VW12O40 (VW12-IL) by cation exchange (MIM = 1-methylimidazolium). The designed VW12-IL is employed as a catalyst in an extraction coupled oxidation desulfurization system, which could reach both 100% sulfur removal efficiency and sulfone product selectivity in 20 min with a high turnover frequency value (TOF: 53.2 h-1). Clean fuel and sulfone products are achieved simultaneously after the reaction, accompanied by the crystallization of the sulfone product at the interface of the two phases. In addition, the structure-activity relationship of a series of Keggin polyoxometalate-based ionic liquids (VW12-IL, PV3W9-IL, PVW11-IL, and PW12-IL) and the desulfurization mechanism were proposed by density functional theory and radical quenching, respectively. This work offers a novel perspective to design the structure of the polyoxometalate catalyst and the technological process of oxidative desulfurization. ? 2022 American Chemical Society.

ISSN号：2168-0485

卷、期、页：卷10 期35 页11533-11543

发表日期：2022-09-05

影响因子：8.197700

期刊分区（SCI为中科院分区）：一区

收录情况：SCI（科学引文索引印刷版）,ESI（基本科学指标数据库）,EI（工程索引）,SCIE（科学引文索引网络版）

发表期刊名称：ACS Sustainable Chemistry and Engineering

参与作者：邢萧萧,Guo, Hui-Li,He, Tian-Meng,An, Xin,Li, Hong-Ping,Li, Hua-Ming,庞靖宇,党东宾,白岩

第一作者：朱文帅

论文类型：期刊论文

论文概要：邢萧萧,Guo, Hui-Li,He, Tian-Meng,An, Xin,Li, Hong-Ping,朱文帅,Li, Hua-Ming,庞靖宇,党东宾,白岩，Tungstovanadate-Based Ionic Liquid Catalyst [C2(MIM)2]2VW12O40 Used in Deep Desulfurization for Ultraclean Fuel with Simultaneous Recovery of the Sulfone Product，ACS Sustainable Chemistry and Engineering，2022，卷10 期35 页11533-11543

论文题目：Tungstovanadate-Based Ionic Liquid Catalyst [C2(MIM)2]2VW12O40 Used in Deep Desulfurization for Ultraclean Fuel with Simultaneous Recovery of the Sulfone Product