采用AlCl3作为催化剂,在633～1 873 K和一定压力下对煤焦油进行催化炭化,得到催化炭化焦,并对其进行了高温处理.利用热重,X射线衍射,拉曼光谱和偏光显微镜表征催化炭化焦的聚合程度,微观结构和光学织构.结果表明,AlCl3显著地加速了煤焦油的聚合并使之发生了脱氢反应,在673 K即可以得到具有高残炭率的焦.其中,AlCl3的存在可以得到具有海岛状结构(即中间相微球分布于各向同性炭中间,且各向同性成分并存)的催化炭化焦.
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