The Change of Viscosity of Blended Coal Paste with Temperature under High-pressure Liquefaction Conditions
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The effect of blending of two coals with regard to viscosity under high-pressure and high-temperature liquefaction conditions was investigated.<BR>Yubari coal (bituminous coal) paste which had 40% of coal in anthracene oil showed 9000 c.p.of maximum viscosity. But in blending subbituminous or brown coals such as Taiheiyo, Sohya-koishi and Yallourn coals to Yubari coal, the viscosity of the blended coal paste decreased rapidly with the blending ratio. In the case of over 50% blending ratio of non-coking coal, the viscosity showed values close to non-coking coal or was almost the same.<BR>The coprocessing of coking and non-coking coals in coal liquefaction by blending is one way to decrease the viscosity of coal paste without decreasing the coal concentration in feed coal slurry.
- 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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