Analysis of Tar Components Generated by Steam Gasification of Lignite at Low Temperature in a Fluidized Bed Gasifier

In this study, the components of the tar generated in syngas during steam gasification of lignite at 873 K were clarified. The tar consisted of various types of compounds, with aromatic compounds accounting for the majority of the tar components. These components included not only polycyclic aromatic hydrocarbons without substituent groups, but also aromatic compounds with substituents such as methyl groups. In addition, regular patterns were observed among many of the tar components.