The higherbenzene evolution with increasing temperature,the lower tar yield and higher gas yield inHyPy may be related to the low hydrogen and high fusinite contents in the Lingwu coal.

• 与其他烟煤不同，灵武煤加氢热解焦油收率低，气体收率高而且苯收率随温度增加出现最大值，这可能与煤的氢含量低，丝大量高及高气化活性有关。