Separation of arenols from a high-temperature coal tar

A high-temperature coal tar collected from Xuzhou Coking Plant,Saint-Gobain Pipelines (Xuzhou) Co.,Ltd.was exhaustively extracted with petroleum ether (PE).The extract was sequentially eluted through silica gel with PE and PE/ethyl acetate (EA) mixed solvents (volume ratio 2:1 ) to afford two eluted fractions.The extract and eluted fractions were analyzed with gas chromatography/mass spectrometry.In total,14 arenols were detected,including phenol,cresols,xylenols,fluorenols,phenanthren-3-ol and pyren-1-ol.