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化工学报  2013 

固载氨基化离子液体的制备及其对CO2的吸附性能

DOI: 10.3969/j.issn.0438-1157.2013.z1.019, PP. 128-132

Keywords: 固载离子液体,CO2,吸附性能

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Abstract:

利用浸渍法将[NH3P-mim][BF4]和[MEA]L两种离子液体负载到AC、Al2O3和MCM-41上,考察了对CO2的吸附性能,确定了[NH3P-mim][BF4]/AC对CO2的吸附性能最优。并对[NH3P-mim][BF4]/AC考察了不同负载量、不同温度下对CO2的吸附性能,确定了固载离子液体对CO2的吸附容量随着负载量的增加而增加,且30℃是固载离子液体吸附CO2的最佳温度,吸附容量达到0.063mmolCO2·(gSILP)-1。对[NH3P-mim][BF4]/AC进行红外和热重两种表征,确定了负载离子液体的结构以及在50℃以下优良的热稳定性。

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