SiC was prepared with siliceous colliery waste, quartzite, anthracite coal and weakly caking coal by Acheson process. The microstructure of siliceous colliery waste was investigated by SEM.

• 分别以硅质煤矸石、石英砂与弱粘煤、无烟煤作原料用Acheson工艺合成了SiC ；并研究了硅质煤矸石的微观结构 .