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Effects of Supports and Promoters on in situ Hydrogenation of o-Cresol over Ni-based Catalysts
Li, Yan-bin1,2,3; Xu, Ying1; Ma, Long-long1,2,3; Wang, Tie-jun1; Zhang, Qi1; Chen, Guan-yi2,3
2014-12-01
发表期刊CHINESE JOURNAL OF CHEMICAL PHYSICS
卷号27期号:6页码:697-703
摘要We investigated the effects of supports (CMK-3, SiO2ZrO2, MgO, Al2O3) and promoters (Cu, Ce, Fe) on textual properties of Ni based catalysts. o-Cresol was used as a probe to test the activity of these catalysts under the condition of 230 degrees C and nitrogen pressure of 0.1 MPa. The catalysts were characterized by X-ray diffraction, H-2 temperature programmed reduction ammonium programmed desorption, and N-2 adsorption-desorption isotherms. The results showed that the catalytic performance of Ni/CMK-3 (the conversion of o-cresol reached 45.4%) was significantly better than the other three kinds of supports. The modification of Ni/CMK-3 was also investigated and over 60% conversion of o-cresol was obtained after the addition of Ce (64.6%)and Cu (66.8%) in Ni/CMK-3, whereas the addition of Fe led to a decrease of conversion. In the meantime, Cu changed the products distribution. The appearance of toluene indicated that another pathway existed in the reaction. Accompanied by the ascension of conversion in both sides, side effects also occurred and got more serious. The apparent order of activity for all the tested catalysts was NiCe/CMK-3> NiCu/CMK-3>Ni/CMK-3>NiFe/CMK-3 >Ni/Al2O3 >Ni/SiO2ZrO2>Ni/MgO. The reaction pathway, involving three routes, was also mentioned in this study.
文章类型Article
关键词In-situ Hydrogenation Support Promoter O-cresol
WOS标题词Science & Technology ; Physical Sciences
DOI10.1063/1674-0068/27/06/697-703
研究领域[WOS]Physics
关键词[WOS]BIO-OIL ; PYROLYSIS OIL ; PLATINUM CATALYSTS ; HYDRODEOXYGENATION ; GUAIACOL ; BIOMASS ; PHASE ; TEMPERATURE ; KINETICS ; ETHANOL
收录类别SCI
语种英语
WOS类目Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000348272400013
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10758
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Tianjin Univ, Fac Environm Sci & Engn, Tianjin 300072, Peoples R China
3.Tianjin Univ, State Key Lab Int Combust Engine, Tianjin 300072, Peoples R China
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Li, Yan-bin,Xu, Ying,Ma, Long-long,et al. Effects of Supports and Promoters on in situ Hydrogenation of o-Cresol over Ni-based Catalysts[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2014,27(6):697-703.
APA Li, Yan-bin,Xu, Ying,Ma, Long-long,Wang, Tie-jun,Zhang, Qi,&Chen, Guan-yi.(2014).Effects of Supports and Promoters on in situ Hydrogenation of o-Cresol over Ni-based Catalysts.CHINESE JOURNAL OF CHEMICAL PHYSICS,27(6),697-703.
MLA Li, Yan-bin,et al."Effects of Supports and Promoters on in situ Hydrogenation of o-Cresol over Ni-based Catalysts".CHINESE JOURNAL OF CHEMICAL PHYSICS 27.6(2014):697-703.
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