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凹凸棒石黏土负载Ni催化裂解生物质焦油
作者:刘海波1 陈天虎1 石莹2 常冬寅1 宋磊1 张先龙3 
单位:1. 合肥工业大学资源与环境工程学院 合肥 230009 2. 安徽财贸职业学院 合肥 230601 3. 合肥工业大学化学工程学院 合肥 230009 
关键词:生物质焦油 凹凸棒石 催化裂解  焦油去除率 氢产率 
分类号:TQ316.24
出版年,卷(期):页码:2011,39(4):38-43
DOI:
摘要:

利用浸渍法制备了凹凸棒石黏土(palygorskite,PG)Ni基催化剂(Ni/PG),探究了不同Ni负载量以及反应温度对凹凸棒石镍基催化剂催化裂解生物质焦油的影响,利用透射电镜、X射线粉末衍射、总碳等分析手段对催化剂的形貌、物相和积炭量进行表征。结果表明:活性组分高负载量有利于提高焦油去除率和氢产率;高温条件也有利于提高焦油去除率和氢产率;负载镍使得凹凸棒石镍基催化剂具有很强的抗积炭性能。

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Effect of Ni loading amount and reaction temperature on catalytic cracking of tar was investigated over a nickel base catalyst of palygorskite clay (Ni/PG) that was prepared by the wetness method. The morphology, phase and carbon deposition of catalysts were characterized by transmission electron microscopy, X-ray diffraction and total carbon analysis, respectively. The results show that the tar removal and hydrogen yield can be improved at a great Ni loading amount. In addition, the tar removal and hydrogen yield could be enhanced at a high reaction temperature, and the Ni loading over the Ni/PG catalyst exhibits a superior capacity of resistance to the carbon deposition.

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基金项目:
国家高技术研究发展计划(863计划,2007AA06Z118)和国家自然科学基金(50774027)。
作者简介:
博士研究生
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参考文献:

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