Journal
NEW JOURNAL OF CHEMISTRY
Volume 46, Issue 2, Pages 756-766Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj03493f
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Funding
- National Natural Science Foundation of China [21671157, 21371143, 21501139]
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A series of PIL-based POM salts were designed and synthesized, and supported catalysts were prepared for oxidative organic sulfide extraction in fuel oils. The supported catalyst showed better performance with maximum sulfur removal efficiencies up to 98.32% to 99.98%. The catalyst can be easily recovered and reused without significant activity decrease.
A series of polymer ionic liquid (PIL)-based polyoxometalate (POM) salts were designed and synthesized by an ion exchange method. Then, supported catalysts were prepared by loading the salt onto a graphene oxide (GO) surface. The two groups of materials before and after loading were characterized and used as catalysts for the extraction of oxidative organic sulfides in fuel oils. By contrast, the supported catalyst shows better performance. Then, a response surface methodology was used to analyze the influence of reaction conditions on the removal of thiophene and explore the optimum conditions. In addition, the maximum sulfur removal efficiency of T, BT and DBT can reach up to 98.32, 99.98 and 99.28%, respectively. In addition, the catalyst can be easily recovered and reused without any significant decrease in the activity even after ten cycles.
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