烟气脱硫
多金属氧酸盐
离子液体
催化作用
化学
硫黄
加氢脱硫
复合数
化学工程
炼油厂
无机化学
有机化学
材料科学
复合材料
工程类
作者
Dinis F. Silva,Alexandre M. Viana,Isabel C.M.S. Santos-Vieira,Salete S. Balula,Luı́s Cunha-Silva
出处
期刊:Molecules
[MDPI AG]
日期:2022-03-05
卷期号:27 (5): 1711-1711
被引量:8
标识
DOI:10.3390/molecules27051711
摘要
An effective and sustainable process capable of simultaneously execute desulfurization and denitrogenation of fuels is in fact an actual necessity in the refinery industry. The key to achieve this goal is the parallel oxidation of sulfur and nitrogen compounds present in fuels, which is only achieved by an active and recovered catalyst. A novel heterogeneous catalyst was successfully prepared by the encapsulation of an imidazolium-based polyoxometalate (POM) into a ZIF-8 framework ([BMIM]PMo12@ZIF-8). This composite material revealed exceptional catalytic efficiency to concurrently proceed with the oxidative desulfurization and denitrogenation of a multicomponent model fuel containing various sulfur and nitrogen compounds. A complete removal of all these compounds was achieved after only one hour and the catalyst system was able to be reused for ten consecutive cycles without loss of efficiency. In fact, an ionic liquid POM was incorporated in the ZIF-8 for the first time, and this composite compound was originally applied as a catalyst for simultaneous oxidative desulfurization and denitrogenation processes.
科研通智能强力驱动
Strongly Powered by AbleSci AI