Effect of coal properties on the viscosity of CWM.
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概要
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Highly concentrated coal water mixtures (CWM's) were prepared using eight different coals and an anionic dispersant. Viscosity of the CWM's was investigated in relation to the coal properties. It was found that coals with lower water-holding capacity (WHC) would make more highly concentrated CWM's. Their viscosity was correlated well with the solid volume fraction and maximum packing density using Krieger-Dougherty equation. For these coals, the particle size distribution was found to influence the CWM viscosity only through the values of maximum packing density.<BR>CWM's made from coals with high WHC exhibited higher viscosity. This was attributed to the lower degree of dispersion of the coal particles. CWM's with coals having low WHC displayed similar viscosity-solid concentration relationship when electrolyte was added.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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