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Hydrothermal preparation of low-rank coal-water fuel slurries

Author

Listed:
  • Baker, Gene G.
  • Sears, Rod E.
  • Maas, Dana J.
  • Potas, Todd A.
  • Willson, Warrack G.
  • Farn, Sylvia A.

Abstract

Lignite and sub-bituminous coals are by nature high in inherent moisture and oxygen content and low in calorific heating value. As-mined low-rank coals when mixed with water generally produce slurries with low solids content and with heating values generally less than 11.6 MJ/kg. These same slurries are usually unstable and form hard-pack sediments quickly, unless chemical additives or constant agitation are added. The low heating value and poor storage and flow characteristics of these coal-water mixtures discourage the use of raw lignite and subbituminous coals for preparation of slurries for fuel purposes.

Suggested Citation

  • Baker, Gene G. & Sears, Rod E. & Maas, Dana J. & Potas, Todd A. & Willson, Warrack G. & Farn, Sylvia A., 1986. "Hydrothermal preparation of low-rank coal-water fuel slurries," Energy, Elsevier, vol. 11(11), pages 1267-1280.
    • Handle: RePEc:eee:energy:v:11:y:1986:i:11:p:1267-1280
    DOI: 10.1016/0360-5442(86)90064-2
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    Cited by:

    1. Feng, Ping & Hao, Lifang & Huo, Chaofei & Wang, Ze & Lin, Weigang & Song, Wenli, 2014. "Rheological behavior of coal bio-oil slurries," Energy, Elsevier, vol. 66(C), pages 744-749.

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