Technology reports of the Yamaguchi University

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Technology reports of the Yamaguchi University Volume 3 Issue 5
published_at 1986-12

Effect of temperature on the fluidity of a coal water mixture

Effect of temperature on the fluidity of a coal water mixture
Usui Hiromoto
Yamasaki Yoshito
Sano Yuji
fulltext
274 KB
KJ00004351080.pdf
Descriptions
The fluidity of Coal Water Mixture (CMW) is significantly lost when CWM is heated over 100℃. This Phenomenon has been analyzed experimentally in this work. Experimental results showed that the degradation of additives at higher temperature range and the extraction of organic substances from coal to solvent were not the reason for viscosity increase of CWM. It was also observed that there existed a little swelling of coal perticles at 150℃~200℃. Semiquantitative discussion about the effect of swelling on the fluidity of CWM has revealed that the swelling of coal is most likely the reason for the anomarous viscosity increase of CWM at higher temperature range.