低阶煤热溶萃取技术研究进展

摘要

简述了低阶煤热溶萃取技术的研究意义.并通过分析热溶萃取技术在超纯煤制备,温和液化,低阶煤制取含氧、含硫、含氮、含卤化合物的研究现状,以及热溶萃取技术用于煤化工预处理方面的研究,提出了热溶萃取技术的瓶颈问题及未来发展方向.%The importance of thermal extraction of low - rank coal was briefly introduced. And the advancement of thermal extraction on the research of super clean coal,mild liquefaction,the extraction of oxygenated chemicals,sulfur - containing compounds,nitrogen- containing compounds and halide - containing compounds from low - rank coal,and the pretreatment application in coal chemical industry was illuminated. Finally,the bottleneck problem and future development trend were presented.