宁武煤显微组分分离及其化学结构特征分析

Separation and chemical structure analysis of Ningwu coal macerals

采用重液离心方法分离了宁武气煤显微组分,借助红外光谱分析了不同显微组分富集物的化学结构。结果表明,密度小于1.3 g/cm^(3)的轻产物中镜质组含量占90.8%,密度大于1.35 g/cm^(3)的重产物中惰质组含量占84%以上。不同显微组分富集物的化学结构存在较大差异。

The macerals of Ningwu gas coal were separated by heavy liquid centrifugation.And the chemical structures of different macerals enrichment were characterized by means of Fourier transform infrared spectrum.The results show that the proportion of vitrinite in light products with density less than 1.3 g/cm^(3)is 90.8%while the proportion of inertinite in heavy products with density greater than 1.35 g/cm^(3)is more than 84%.The chemical structures of macerals are quite different.