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Fe_2O_3对煤焦热解反应的催化作用研究 被引量:2

Catalysis of Fe_2O_3 for coal char pyrolysis
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摘要 采用热分析仪、滴管炉等研究了Fe_2O_3对煤焦热解过程的催化作用,借助XRD分析了Fe_2O_3在不同反应温度下的转变产物。结果表明,添加Fe_2O_3后煤焦热解吸热量明显下降,生成烟气中CO、CO_2含量显著上升;Fe_2O_3在1000℃和1100℃时的主要转化产物分别为Fe_3O_4和FeO,在1200℃时转变为Fe_3O_4、FeO和Fe。 By means of thermal analyzer and drop-tube furnace,the catalysis of Fe2O3 for pyrolysis of coal char was investigated,and the transformed products of Fe2O3 under different reaction temperatures were characterized by XRD. The results show that after Fe2O3 is added,the pyrolysis heat absorption of coal char decreases and the contents of CO and CO2 in flue gas increase markedly. Fe2O3 is transformed mainly to Fe3O4 at 1000 ℃,FeO at 1100 ℃,Fe3O4 ,FeO and Fe at 1200 ℃,respectively.
作者 陶迅 周建安 蒋学凯 王宝 Tao Xun;Zhou Jianan;Jiang Xuekai;Wang Bao(Hubei Provincial Engineering Technology Research Center of Metallurgical Secondary Resources,Wuhan University of Science and Technology,Wuhan 430081,China;Key Laboratory of Ferrous Metallurgy and Resources Utilization of Ministry of Education,Wuhan University of Science and Technology,Wuhan 430081,China;State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081,China;Guangxi Liuzhou Iron and Steel Group Company Limited,Liuzhou 545002,China)
出处 《武汉科技大学学报》 CAS 北大核心 2019年第2期117-120,共4页 Journal of Wuhan University of Science and Technology
基金 国家重点研发计划资助项目(2017YFB0304200)
关键词 煤焦 FE2O3 催化热解 热解反应 FE3O4 FEO coal char Fe2O3 catalytic pyrolysis pyrolysis reaction Fe3O4 FeO
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