蒙古国巴嘎诺尔(Baganuur)褐煤水蒸气气化制富氢合成气及其固有矿物质的催化作用

傲云宝勒德 张楹斗 周晨亮 李阳 陈琛 智科端 宋银敏 滕英跃 何润霞 刘全生

引用本文: 傲云宝勒德, 张楹斗, 周晨亮, 李阳, 陈琛, 智科端, 宋银敏, 滕英跃, 何润霞, 刘全生. 蒙古国巴嘎诺尔(Baganuur)褐煤水蒸气气化制富氢合成气及其固有矿物质的催化作用[J]. 燃料化学学报, 2013, 41(4): 414-421. shu
Citation:  Oyunbold Ts, ZHANG Ying-dou, ZHOU Chen-liang, LI Yang, CHEN Chen, ZHI Ke-duan, SONG Yin-min, TENG Ying-yue, HE Run-xia, LIU Quan-sheng. Hydrogen rich syngas production by the steam gasification of Mongolia Baganuur lignite and the catalytic effect of inherent minerals[J]. Journal of Fuel Chemistry and Technology, 2013, 41(4): 414-421. shu

蒙古国巴嘎诺尔(Baganuur)褐煤水蒸气气化制富氢合成气及其固有矿物质的催化作用

    通讯作者: 刘全生(1966-), 男, 教授, 主要研究方向: 煤基能源化工. E-mail: liuqs@imut.edu.cn.
  • 基金项目:

    国家自然科学基金(21066008, 21266017) (21066008, 21266017)

    高等学校博士学科点专项科研基金(20111514110001) (20111514110001)

    内蒙古自然科学基金(2009ZD01) (2009ZD01)

    内蒙古科技计划项目(20101502) (20101502)

    内蒙古工业大学"煤化工特色学科"及内蒙古工业大学科学研究项目(ZS201138). (ZS201138)

摘要: 利用固定床气化-色谱联用装置,考察了蒙古国巴嘎诺尔(Baganuur)褐煤的水蒸气气化反应性能,研究对比了巴嘎诺尔褐煤原煤BN-R、盐酸洗煤BN-HCl、氨水洗煤BN-NH4OH、先酸洗后碱处理煤BN-HCl-NaOH及原煤和盐酸洗煤热解预处理煤样BN-R-Char与BN-HCl-Char在水蒸气气化过程中气态产物H2、CO和CO2的生成规律.研究结果表明,上述煤样的水蒸气气化过程中H2、CO和CO2的生成速率存在明显差异,与盐酸洗煤样相比,BN-R、BN-HCl-NaOH及BN-R-Char比对应矿物质脱除煤样的水蒸气气化速率高,充分说明巴嘎诺尔褐煤中某些固有矿物质对其水蒸气气化反应具有显著的催化作用,显著提高了其气化反应速率,使起始气化温度和气化反应主体温度均降低100 ℃以上,在提高H2和CO2生成量同时,还降低了CO生成量,制得了高H2/CO(物质的量比)的合成气.用盐酸脱除矿物质所得BN-HCl同BN-HCl-Char的水蒸气气化性能相似.与BN-R相比,BN-HCl与BN-HCl-Char水蒸气气化反应性明显下降,说明对巴嘎诺尔褐煤水蒸气气化起催化作用的矿物质成分在盐酸洗脱的矿物质中.经过分析,发现矿物质对巴嘎诺尔褐煤水蒸气气化反应的催化作用,主要是通过提高水煤气变换反应速率实现的.最后,结合文献报道,提出了巴嘎诺尔褐煤水蒸气气化反应过程中矿物质的原位催化机理.

English

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  • 收稿日期:  2012-11-12
  • 网络出版日期:  2013-01-05
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