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Application of pyrolysis gas chromatography technique to evaluation of coal-generated hydrocarbon

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Abstract

Based on kerogen-generated hydrocarbon model, a new method to calculate hydrocarbon yields for coals and coaly samples was put forward by means of pyrolysis technique. At the same time, the empirical criteria suggested by Powell were revised. The threshold value was preliminarily defined as HC yields >30 mg HC per gram TOC for effective gas source rocks and >60 mg HC per gram TOC for effective oil source rocks. Additionally, it was also confirmed that the relative compositions of the three ranges of C1-C5 total hydrocarbons, C6-C14n-alkanes plusn-alkenes and C15+ n-alkanes plusn-alkenes from pyrolysates can be effectively used to distinguish the coal-generated hydrocarbon types.

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Authors and Affiliations

  1. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640, Guangzhou, China

    Yongge Sun, Guoying Sheng & Jiamo Fu

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  1. Yongge Sun
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  2. Guoying Sheng
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  3. Jiamo Fu
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Sun, Y., Sheng, G. & Fu, J. Application of pyrolysis gas chromatography technique to evaluation of coal-generated hydrocarbon. Sci. China Ser. D-Earth Sci. 40, 99–103 (1997). https://doi.org/10.1007/BF02878586

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  • DOI: https://doi.org/10.1007/BF02878586

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