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    龚欣, 于遵宏, 曹恩洪. 加压下阳泉煤气化与催化气化的比较[J]. 华东理工大学学报(自然科学版), 1987, (6).
    引用本文: 龚欣, 于遵宏, 曹恩洪. 加压下阳泉煤气化与催化气化的比较[J]. 华东理工大学学报(自然科学版), 1987, (6).
    Gong Xin, Yu Zunhong, Cao Enhong Department of Chemical Engineering. Comparison between catalyzed and non-catalyzed gasification under pressure of Yangquan coal[J]. Journal of East China University of Science and Technology, 1987, (6).
    Citation: Gong Xin, Yu Zunhong, Cao Enhong Department of Chemical Engineering. Comparison between catalyzed and non-catalyzed gasification under pressure of Yangquan coal[J]. Journal of East China University of Science and Technology, 1987, (6).

    加压下阳泉煤气化与催化气化的比较

    Comparison between catalyzed and non-catalyzed gasification under pressure of Yangquan coal

    • 摘要: 本文以水蒸汽为气化剂,在煤焦粒度40—60目;水蒸汽分压1.29MPa下,测定了Na_2CO_3催化剂浓度为12.5(wt)%,以及不加催化剂时阳泉煤的煤气组成、反应活化能,不同温度下,反应时间和碳转化率(x)的关系,以进行文题的比较。结果表明:加压催化气化,可改变气化反应机理;降低反应活化能;对甲烷生成不利;显著地改变了煤气组成并使其组成保持恒定。进而得到加压下气化和催化气化的本征动力学方程分别为: dx/dt=1.18×10~(10)exp(-295/RT) dx/dt=4.05×10~?(1-x)~(2/3) exp(-243/RT)

       

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