Influence of Solid Concentration on the Flow Characteristics and Settling Rate of Coal-Water Slurries
Journal of Energy and Natural Resources
Volume 2, Issue 3, June 2013, Pages: 21-24
Received: Jun. 12, 2013; Published: Jul. 10, 2013
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Authors
Kenechukwu Emmanuel Ugwu, National Centre for Energy Research and Development, University of Nigeria, Nsukka, Nigeria
Anthony Chibuzo Ofomatah, National Centre for Energy Research and Development, University of Nigeria, Nsukka, Nigeria
Samson Ifeanyi Eze, National Centre for Energy Research and Development, University of Nigeria, Nsukka, Nigeria
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Abstract
Coal–water slurries were prepared with a sub-bituminous coal at varying coal and water ratios using an anionic liquid soap as a surfactant. The slurry properties, viscosity and stability were determined. The rheological properties of the slurries were investigated to ascertain the characteristics of the slurries. The results showed that increasing coal (solid) concentration increased the density of the slurries. Higher density gave rise to more viscous slurries. The behaviour of the slurries changed from Newtonian to non-Newtonian at higher solid concentrations. The slurries with lower solid concentration settled faster than the higher solid concentration slurries.
Keywords
Coal, Concentration, Flow, Viscosity, Slurries, Settling Rate
To cite this article
Kenechukwu Emmanuel Ugwu, Anthony Chibuzo Ofomatah, Samson Ifeanyi Eze, Influence of Solid Concentration on the Flow Characteristics and Settling Rate of Coal-Water Slurries, Journal of Energy and Natural Resources. Vol. 2, No. 3, 2013, pp. 21-24. doi: 10.11648/j.jenr.20130203.11
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