• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    Chemical Compositions and Pyrolysis Characteristics of Oil Shales Distributed in Korea

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    1995, v.8 no.4, pp.487-492
    Yang, Moon Yul
    Yang, Myoung Kee
    Lee, Sang Hak
    Wakita, Hisanobu
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    Abstract

    The chemical compositions and pyrolysis characteristics of oil shales and source rocks distributed in the southwestern and southeastern parts of the Korean peninsular have been investigated. In order to compare the results of Korean samples with those of shales giving high oil yields, two Colorado oil shale samples and one Paris source rock samples were also investigated. Chemical compositions of the samples were analysed by means of gravimetry, CHN analysis, X-ray diffraction method, inductively coupled plasma atomic emission spectrometry and atomic absorption spectrometry. A custom made pyrolyser and a Rock-Eval system were used for the pyrolysis studies. Pyrolyses of the samples were carried out by means of a temperature controlling device to <TEX>$600^{\circ}C$</TEX> at a heating rate of <TEX>$5^{\circ}C/min$</TEX> with a helium flow rate of <TEX>$1200m{\ell}/min$</TEX>. The results of pyrolysis study indicated that Colorado shale samples belong to type I and all the other samples belong to type II.

    keywords
    Oil shale, Petroleum source rock, Pyrolysis, Hydrogen index, Oxygen index, Kerogen, Hydrocarbon


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