现代化工

现代化工 ›› 2023, Vol. 43 ›› Issue (4) : 66-70. DOI: 10.16606/j.cnki.issn0253-4320.2023.04.014

技术进展

溶剂萃取分离煤焦油中高附加值化合物研究进展

王啸天, 李晓媛, 骆禹璐, 阿合也力开·叶尔肯, 马红英, 林江丽

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Research progress on separation of high value-added compounds from coal tar by solvent extraction

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摘要

综述了近年来液-液萃取、酸/碱萃取、超临界流体萃取、离子液体萃取、低共融溶剂萃取在分离煤焦油中高附加值化合物中的应用新进展。探讨了不同萃取方法的分离效果和分离机理。最后对溶剂萃取分离煤焦油中高附加值化合物目前所面临的问题和未来研究方向进行了展望。

Abstract

The applications of liquid-liquid extraction,acid/alkali extraction,supercritical fluid extraction,ionic liquid extraction and deep eutectic solvent extraction in the separation of high value-added compounds from coal tar are reviewed.The separation effect and separation mechanism of different extraction methods are expounded.Finally,the existing problems and future research directions for extracting high value-added compounds from coal tar by solvent extraction are prospected.