摘要
利用静态吸收法研究了体系温度、初始压强和离子液体质量分数对亲水性离子液体1-氨丙基-3-甲基咪唑溴盐[1-NH2-C3mim][Br]吸收CO2的影响。优化的吸收工艺条件为:离子液体的质量分数50%,体系温度303.15 K,体系初始压强为165.64 kPa。同时,文中摸索了吸收剂的"两段式"真空再生条件,第1段再生温度321.15 K,30min,第2段再生温度343.15 K,10 min,结果表明:该离子液体吸收CO2吸收效果良好,并且再生后的离子液体,吸收性能稳定不变,可反复使用。
The influence of systematic temperature, initial pressure and mass fraction of ionic liquid on CO2 absorption with ionic liquid [ 1-NH2-C3mim] [ Br] was studied by static absorption method. The optimized absorption process conditions are as follows： mass fraction of ionic liquid （[ 1-NH2-C3mim] [Br] ） is 50%, systematic temperature is 303. 15 K and initial pressure is 165. 64 kPa. Meanwhile, ＂ two-stage＂ vacuum regeneration period for absorbent was tried. The regeneration temperature in the first stage is 321.15 K, 30 min; that in the second stage is 343.15 K, only 10 min. The result shows that the effect of ionic liquid [ 1-NH2-C3mim] [ Br] for CO2 absorption is good, which can be reused due to its steady absorption properties after regenerated.
出处
《化学工程》
CAS
CSCD
北大核心
2013年第7期14-18,共5页
Chemical Engineering(China)
基金
国际科技合作项目(2010DFB64040)
国家"十二五"科技支撑计划项目(2012BAC18B00)
