超临界CO_2流体萃取重金属的研究进展  

Research Progress of Supercritical Carbon Dioxide Fluid Extraction of Heavy Metals

作　　者：文震[1] 党志[2] 余德顺[3] 尚爱安[1] 

机构地区：[1]中国科学院地球化学研究所环境地球化学国家重点实验室,贵阳550002 [2]华南理工大学应用化学系,广州540641 [3]中国科学院地球化学研究所超临界流体技术研究中心,贵阳550002

出　　处：《化学进展》2001年第4期310-315,共6页Progress in Chemistry

基　　金：国家攀登项 ("95 -预 - 39"5 - 4)目资助

摘　　要：超临界 CO2 流体与金属配合技术相结合开辟了重金属萃取的新途径。本文介绍了超临界 CO2流体萃取重金属的研究现状 ,总结了影响萃取的因素 。The Combination of supercritical carbon dioxide fluid extraction and complexing action is a new way to extract heavy metals from different media, especially environmental samples. Recent studies have demonstrated the feasibility of recovering heavy metals by in situ chelation using a SC-CO2 mobile phase: Development about extraction of heavy metals by SC-CO2 fluid is reviewed, and factors affecting the extraction are discussed. Finally, a more broad application range is prospected with an in-depth research of supercritical carbon dioxide fluid extraction of heavy metals.

关 键 词：超临界二氧化碳流体 重金属 萃取 

分 类 号：TQ028.32[化学工程]