超临界CO_2络合反应分离痕量重金属离子的研究进展

Research Progress of Complexation Reaction to Separate Trace Heavy Metal Ions in Supercritical Carbon Dioxide

超临界络合反应分离技术是近年来发展起来的一项新技术。本文介绍了超临界络合反应分离技术的原理、分离过程、目前已开发出的络合剂、络合剂的选择原则以及影响因素,指出了当前超临界络合反应分离中存在的问题及发展方向。

Using complexation reaction in Supercritical CO2 to separate heavy trace metal ions is a new technology. This paper introduced its fundamental principle, process, the ligands, choice of ligands, and the important factors affecting its extraction yield. The problems and the advanced treads in this area were also pointed out.