摘要
超临界CO2 和离子液体是两种具有优异性能的绿色化学试剂 ,本文介绍了将两者结合反应 分离体系的物化性质和多种绿色化学过程。利用超临界CO2 可以广泛地萃取离子液体中的不挥发性化合物而不导致离子液体及其中催化剂的流失 ,在加氢、醛化、甲酰化等反应 分离过程中的应用表明 ,过程具有很好的反应分离特性和环境友好性 ,应用前景广阔。
The ionic liquids/sc-CO 2 system were introduced in this article. Ionic liquids and sc-CO 2 have been paid much attention due to their unique properties and environmental benignity. The combination of them has given out many new merits on reactions and separations. Supercritical CO 2 is very soluble in ionic liquids, and can extract the non-volatile products from ionic liquids. Since the ionic liquids and the catalysts dissolved in ionic liquids are insoluble in the sc-CO 2 phase, their loss in the process can be eliminated. Therefore, the ionic liquids/sc-CO 2 system could be used for environmental benign processes with good reaction-separation performance.
出处
《化学通报》
CAS
CSCD
北大核心
2005年第4期262-270,共9页
Chemistry
