Abstract:

The study situation of lignite extraction with solvent, including the composition features of lignite, selecting principle for extracting solvent is described, and the results of lignite extraction are obtained with different extracting solvents and different extraction modes etc. The study on the lignite extraction with solvent is summed up. It is pointed out that the present study on lignite extraction with solvent is still in the stage of laboratory study and there is long way to go for industrial application.