Abstract

The vitrinite components from coal of different metamorphic stages are studied by thermogravimetric analysis in an oxidative medium and by Raman spectroscopy. For vitrinites of greater metamorphic development, the oxidative temperatures rise, while the maximum rate of decomposition is shifted to higher temperature. Linear correlations are obtained between the ignition temperature of the vitrinite components and the following characteristics of the coal: the organic carbon content C^daf, the vitrinite reflection coefficient R_o,r, and the yield of volatiles V^daf. Raman spectroscopy permits determination of the structural parameters of the sample, characterizing their aromatic content and the characteristics of the oxygen-containing and hydroaromatic fragments. Correlations are established between the structural parameters and temperatures of oxidative transformation of the samples.

中文翻译：

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库兹涅茨克盆地煤的镜质体成分：热重和拉曼光谱分析

摘要

通过氧化介质中的热重分析和拉曼光谱研究了不同变质阶段煤中的镜质体成分。对于较大变质发育的镜质体，氧化温度升高，而分解的最大速率转移到更高的温度。得到了镜质体组分的着火温度与煤的以下特性之间的线性相关性：有机碳含量 C ^daf、镜质体反射系数R _{o 、r}和挥发物产率V ^daf. 拉曼光谱允许确定样品的结构参数，表征它们的芳烃含量以及含氧和氢芳烃碎片的特征。建立了样品的结构参数和氧化转变温度之间的相关性。