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Effect of the concentration of organic matter on the yield of thermal bitumen from the baltic oil shale kukersite

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Abstract

The low-temperature (360°C) autoclave pyrolysis of the oil shale kukersite, which has carbonatetype mineral matter, with various organic matter (OM) concentrations of 31.8–90.1% and the separation of the pyrolyzate from the mineral matter at the stage of thermal bitumen formation by extraction with various solvents such as benzene, ethanol, and their mixtures were considered. The OM distribution between a gas, an extract, and a residue insoluble in a given solvent was characterized. It was found that, in the pyrolysis of oil shale in an autoclave, the extract yield on an OM basis somewhat increased as the OM content of oil shale increased because the concentration of OM adsorbed on the mineral matter of oil shale remained constant.

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Authors and Affiliations

  1. Tallinn University of Technology, Ehitajate tee 5, Tallinn, 19086, Estonia

    L. Tiikma, Yu. Sokolova & N. Vink

Authors
  1. L. Tiikma
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  2. Yu. Sokolova
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  3. N. Vink
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Correspondence to L. Tiikma.

Additional information

Original Russian Text © L. Tiikma, Yu. Sokolova, N. Vink, 2010, published in Khimiya Tverdogo Topliva, 2010, No. 2, pp. 25–30.

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Tiikma, L., Sokolova, Y. & Vink, N. Effect of the concentration of organic matter on the yield of thermal bitumen from the baltic oil shale kukersite. Solid Fuel Chem. 44, 89–93 (2010). https://doi.org/10.3103/S0361521910020035

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  • DOI: https://doi.org/10.3103/S0361521910020035

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