Journal
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume 29, Issue 1, Pages 49-53Publisher
SPRINGER
DOI: 10.1007/s11814-011-0135-0
Keywords
Desulfurization; Real Diesel; Catalytic Oxidation; Ionic Liquid; Task-specific
Funding
- National Natural Science Foundation of China [21103077]
- Education Department of China [209031]
- Liaoning Excellent Talents in University [LR201024]
- Natural Science Foundation of Liaoning Province [20102131, 201102120]
- Foundation of the Education Department of Liaoning Province [2009A430, 2010243]
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A halogen-free task-specific ionic liquid (TSIL) of 1-(2-carboxylic acid) ethyl-3-methylimidazolium bisulfate ([(CH(2))(2)COOHmim] [HSO(4)]) is applied for deep oxidative desulfurization of real diesel as a catalyst and reaction media. The sulfur level of real diesel can be reduced from 200 to 20.5 mu g/g at room temperature with small amount of ionic liquid using H(2)O(2) as an oxidant. The used ionic liquid can be easily recycled and no obvious decrease in catalytic activity can be found after recycling five times.
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