总结了近年来国内外关于萃取分离的研究结果。阐析了两种萃取分离技术的原理和特点,并介绍了两种萃取分离技术的研究应用概况。 Summarizes the research results of extraction separation at home and abroad in recent years. The principle and characteristics of two kinds of extraction and separation techniques are expounded, and the research and application of two kinds of extraction and separation techniques are introduced.