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《Coal Conversion》 2005-03
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EXPERIMENTAL STUDIES ON THE EFFECT OF FUSION AGENTS ON HIGH ASH-MELTING COALS

Xu Zhiqin Yu Gewen* Deng Shuping Dong Zhongbing and Li Yongwang(Chinese Academy of Sciences, Institute of Coal Chemistry, 030001 Taiyuan; *Inner Mongolia University of Technology, 010062 Huhhot)  
The fusion characteristics of mixed ash samples and behavior of mineral matters at high temperatures were studied. The samples were prepared with coal ashes and additives of CaO and Fe_2O_3 in different ratio. The XRD was used to examine the changes of mineral components at different temperatures. It is shown that, in reducing atmosphere, fusion agents can decline to the ash-melting point effectively, but different results can be obtained for different coal ash. The lowest ash-melting point can be obtained if proper additive was mixed into coal ash, because mineral matters react with CaO or Fe_2O_3 and produce low-melting eutectic matters.
【Fund】: 山西省高级专家基金资助项目.
【CateGory Index】: TQ534.2
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