Hydrothermal preparation of low-rank coal-water fuel slurries

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

Energy, 1986, vol. 11, issue 11, 1267-1280

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.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:11:y:1986:i:11:p:1267-1280

DOI: 10.1016/0360-5442(86)90064-2

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