| La-Ni-Mo-B非晶态催化剂的制备、加氢脱氧性能及失活研究 |
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| 引用本文： | 王威燕,杨运泉,罗和安,王锋,胡韬,刘文英. La-Ni-Mo-B非晶态催化剂的制备、加氢脱氧性能及失活研究[J]. 燃料化学学报, 2011, 39(5): 367-372 |
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| 作者姓名： | 王威燕 杨运泉 罗和安 王锋 胡韬 刘文英 |
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| 作者单位： | 1.School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China,;2.Department of Chemical and Environment Engineering, Hunan City University, Yiyang 413000, China |
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| 基金项目： | 国家自然科学基金(20576110); 湖南省科技厅攻关项目(06FJ4106); 湖南省研究生科研创新项目(CX2009B135) |
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| 摘 要： | 以NaBH4为还原剂采用化学还原法制备La-Ni-Mo-B非晶态催化剂，用BET、SEM、XRD和XPS等手段对催化剂进行表征，以4-甲基苯酚为探针研究其加氢脱氧性能，并探讨了4-甲基苯酚的加氢脱氧反应路径。结果表明，助剂La的加入，减小了催化剂的粒径，增大了比表面积，促进Ni2+和Mo6+的还原。275℃时，4-甲基苯酚加氢脱氧转化率达97%，甲基环己烷选择性达96%，加氢脱氧反应按氢化-氢解路径进行，产物中芳烃含量明显低于世界燃油规范Ⅲ类油标准（芳烃的质量分数小于15%）。催化剂活性降低的主要原因是由于Ni活性中心的非晶态结构被破坏。
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| 关 键 词： | font-size: 9pt,line-height: 150%" >非晶态催化剂,La-Ni-Mo-B,加氢脱氧,4-甲基苯酚,催化剂失活,生物油, |
| 收稿时间： | 2010-06-21 |
Preparation of amorphous La-Ni-Mo-B catalyst and its performance and deactivation behavior in the hydrodeoxygenation of 4-methylphenol |
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| WANG Wei-yan,YANG Yun-quan,LUO He-an,WANG Feng,HU Tao,LIU Wen-ying. Preparation of amorphous La-Ni-Mo-B catalyst and its performance and deactivation behavior in the hydrodeoxygenation of 4-methylphenol[J]. Journal of Fuel Chemistry and Technology, 2011, 39(5): 367-372 |
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| Authors: | WANG Wei-yan YANG Yun-quan LUO He-an WANG Feng HU Tao LIU Wen-ying |
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| Affiliation: | WANG Wei-yan1,YANG Yun-quan1,LUO He-an1,WANG Feng1,2,HU Tao1,LIU Wen-ying1(1.School of Chemical Engineering,Xiangtan University,Xiangtan 411105,China,2.Department of Chemical and Environment Engineering,Hunan City University,Yiyang 413000,China) |
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| Abstract: | Amorphous La-Ni-Mo-B catalyst was prepared by chemical reduction method using NaBH4 as a reducing agent and characterized by BET,SEM,XRD and XPS.The hydrodeoxygenation of 4-methylphenol was used as a probe reaction to test its catalytic performance.The results showed that the additive La can decrease the particle size of the catalyst,increase the surface area,and promote the reduction of Ni2+ and Mo6+.The hydrodeoxygenation of 4-methylphenol follows the hydrogenation-dehydration route.The conversion of 4-me... |
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| Keywords: | amorphous catalyst La-Ni-Mo-B hydrodeoxygenation 4-methylphenol catalyst deactivation bio-oil |
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