Study of fusibility of coal ash with additives - Estimation of ash fusion temperature and fusion behavior of blending coal ashes.:Estimation of Ash Fusion Temperature and Fusion Behavior of Blending Coal Ashes
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Effects of CaO and FeO additives on ash fusion and fusion behavior of the blending coal ashes exhibiting a wide range of fusion temperature have been investigated under reducing atmospheres.<BR>(1) Fusion temperatures of ash with CaO and FeO were greatly lowered and were almost equal to the lowest eutectic point in the SiO<SUB>2</SUB>-CaO-FeO phase diagram system. The optimum chemical composition corresponding to the minimum fusion temperature was CaO: FeO=0.2-0.6: 1 (by weight).<BR>(2) A multiple regression equation, which was derived from the correlation between chemical compositions such as SiO<SUB>2</SUB>, Al<SUB>2</SUB>O<SUB>3</SUB>, CaO and FeO and fusion temperature, was proposed (correlation coefficient=0.95).<BR>(3) High temperature fusion behavior of blending coal ashes showed a good correlation with the multiple regression equation.
- 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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