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咪唑类离子液体混合物吸收CO2性能研究

王梅 ,  张立麒 ,  刘浩 ,  张军营 ,  郑楚光

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引用本文: 王梅, 张立麒, 刘浩, 张军营, 郑楚光. 咪唑类离子液体混合物吸收CO2性能研究[J]. 燃料化学学报, 2012, 40(10): 1264-1268. shu
Citation:  WANG Mei, ZHANG Li-qi, LIU Hao, ZHANG Jun-ying, ZHENG Chu-guang. Studies on CO2 absorption performance by imidazole-based ionic liquid mixtures[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1264-1268. shu

咪唑类离子液体混合物吸收CO2性能研究

    通讯作者: 张立麒,E-mail:lqzhang@mail.hust.edu.cn.
  • 基金项目:

    国家自然科学基金(51076056, 51021065) (51076056, 51021065)

    国家重点基础研究发展规划(973计划, 2011CB707301) (973计划, 2011CB707301)

    煤燃烧国家重点实验室开放基金(FSKLCC1111)。 (FSKLCC1111)

摘要: 结合常规离子液体和功能型离子液体在吸收CO2方面的优势,将两类咪唑类离子液体进行混合,对其吸收CO2的效果和再生性能进行了实验研究。结果表明,两类咪唑类离子液体混合后流动性明显改善,与CO2接触气液传质顺畅;常规离子液体[bmim][BF4]和[bmim][Tf2N]与胺功能型离子液体[NH2e-mim][BF4]混合物较单一的离子液体吸收CO2的量大,[bmim][CH3CO2]与[NH2e-mim][BF4]混合后较单一的[bmim][CH3CO2]吸收量有明显的减低;随着常规咪唑类离子液体阳离子碳链增长,混合离子液体吸收CO2的效果变强;与胺乙基功能型离子液体混合吸收CO2时,阴离子为[Tf2N]的常规咪唑类离子液体要比阴离子为[BF4]的吸收效果好;离子液体混合物吸收CO2后经再生循环利用10次,混合物质量基本不变,循环使用后吸收CO2性能为初始吸收性能的75%~85%。

English

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  • 收稿日期:  2012-04-28
  • 网络出版日期:  2012-07-14
通讯作者: 陈斌, bchen63@163.com
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