Abstract：Fourier transform infrared microspectroscopy (Micro-FTIR) technique was used to investigate the chemical compositions and structures of kerogen from the Late Permian bark coal in the B3 coal seam in mingshan mine, Leping, Jiangxi, at different temperatures. With the observation and the statistics of organic macerals under microscope, the author analysed the model of hydrocarbon generation of the bark coal in the B3 coal seam in mingshan mine, Leping, Jiangxi. And the author also estimated the oil and gas resources in Leping. The results indicate that the chemical composition of the coal is composed by aliphatic structure, heteroatomic compounds and aromatic structure, and their activation energy reduces in turn. Along with the rise in temperature, the intensity of aliphatic structure and heteroatomic compounds decreases obviously, however the aromatic structure changes little. The deamocollinite of B type and barkinite in the bark coal all can generate oil and gas easy, so the bark coal in Leping has a great petroleum-generating potential.
余海洋,孙旭光. 江西乐平晚二叠世煤成烃机理红外光谱研究[J]. 光谱学与光谱分析, 2007, 27(05): 858-862.
YU Hai-yang,SUN Xu-guang. Research on Hydrocarbon-Generation Mechanism of Upper Permian Coals from Leping, Jiangxi, Based on Infrared Spectroscopy . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(05): 858-862.
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