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化工学报  2013 

[Cnmim]Br/FeCl3型离子液体萃取脱除二苯并噻吩

DOI: 10.3969/j.issn.0438-1157.2013.10.022, PP. 3647-3651

Keywords: [Cnmim]Br/FeCl3离子液体,二苯并噻吩,萃取,脱硫率

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Abstract:

合成了6种咪唑型离子液体[C3—8mim]Br/FeCl3,采用红外光谱和拉曼光谱对其进行表征,并考察了离子液体对二苯并噻吩的萃取脱除效果。结果发现,[C3mim]Br/FeCl3的萃取脱硫效果最佳,升高温度和增大剂油比均有利于脱硫率的提高,剂油比1:1(体积比)时,萃取时间达到12min就可使脱硫率高达92%。且萃取反应完成后,离子液体不做处理继续重复使用,重复使用5次,脱硫率可以达到60%。

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