The transformations of pyrite in coal during the microwave-chemical treatment for desulfurization of coal was studied wi......

煤焦油中所含杂质，尤其是不溶物或交联结构极易造成煤焦油深加工设备的堵塞，从而影响煤焦油加工产品的质量．对煤焦油进行净化处理，脱除......

实验选取兖州煤,在管式炉中分别在不同温度（300～950℃）下制取了原煤焦及洗煤焦,并采用傅里叶红外光谱法对原煤、洗煤及原煤焦、洗煤焦......