Citation: WANG Qing, SUN Bin, LIU Hong-peng, BAI Jing-ru, XIAO Guan-hua. Analysis of mineral behavior during pyrolysis of oil shale[J]. Journal of Fuel Chemistry and Technology, ;2013, 41(2): 163-168. shu

Analysis of mineral behavior during pyrolysis of oil shale

  • Corresponding author: WANG Qing, 
  • Received Date: 1 August 2012
    Available Online: 25 October 2012

    Fund Project: 教育部国家潜在油气资源(油页岩勘探开发利用)产学研用合作创新建设项目(OSR-05)。 (油页岩勘探开发利用)产学研用合作创新建设项目(OSR-05)

  • The predominant mineral composition of Huadian oil shale and semi-cokes, including quartz, calcite and clays, was investigated in detail using XRD and SEM. The composition of semi-coke indicates that the minerals change slightly during the pyrolysis of oil shale. The quartz and feldspars remain the same. Few calcites are decomposed to form CaO which reacts with sulfur, resulted from decomposition of pyrite, to form CaS. The amorphous SiO2, generated from the decomposition of clays, tends to react with other metallic oxides to form relative low melting point mixture. This results in the molten vesicular microstructure in the semi-coke.
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