合成了新型的磷钼杂多酸离子液体[hmim]_3PMo_(12)O_(40),并将其用十室温离子液体1-甲基咪唑四氟硼酸盐([hmim]BF_4)为溶剂的模拟油品氧化脱硫反应.结果表明,在温和的反应条件下,过氧化氢与硫摩尔比为4:1时,二苯并唪吩脱硫率为90%,二苯硫醚、苯甲硫醚和二乙硫醚的脱除率可达100%.离子液体催化体系循环使用4次后,脱硫率没有明显下降.
Oxidative desulfurization of dibenzothiophene and other sulfides in ionic liquid for model oil was investigated over molybdophosphate-based ionic liquid[hmim]_3PMo_(12)O_(40).Under the mild conditions,high desulfurization was obtained for dibenzothiophene(90%) and dialkyl sulfides(100%).The effects of catalyst,reaction temperature,and amount of H_2O_2 were investigated.The ionic liquid Call be recycled 4 times without a significant decrease in activity.
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