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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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咪唑类离子液体混合物吸收co2性能研究
, PP. 1264-1268
Keywords: 咪唑类离子液体,co2减排,co2吸收,再生性能
Abstract:
？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%。
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