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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
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
Volume27Issue:6Pages:697-703
AbstractWe 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.
SubtypeArticle
KeywordIn-situ Hydrogenation Support Promoter O-cresol
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1063/1674-0068/27/06/697-703
WOS Subject ExtendedPhysics
WOS KeywordBIO-OIL ; PYROLYSIS OIL ; PLATINUM CATALYSTS ; HYDRODEOXYGENATION ; GUAIACOL ; BIOMASS ; PHASE ; TEMPERATURE ; KINETICS ; ETHANOL
Indexed BySCI
Language英语
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS IDWOS:000348272400013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10758
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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