Characterization of Ru/Al2O3 System Prepared by Adsorption-Precipitation Method
Wang, Lei; Abudukelimu, Nuermaimaiti; Gao, Zhixian; Eli, Wumanjiang
2014
发表期刊ASIAN JOURNAL OF CHEMISTRY
ISSN0970-7077
卷号26期号:10页码:3021-3024
摘要Alumina supported Ru catalysts with different metal content were prepared via the adsorption precipitation Method using RuCl3 as the precursor and characterized by temperature-programmed reduction and XRD techniques. These catalysts were evaluated using selective. hydrogenation of dimethyl maleate as a probe reaction and results revealed that :superior catalytic performances were obtained at mild hydrogenation conditions (1.0 MPa and 70 degrees C). From the temperature programmed reduction results, several states of ruthenium,on the support can be discerned and the proportion of ruthenium species reducible at the low temperature (95 +/- 5 degrees C) decreased With increasing ruthenium loading and was largely influenced by pretreatment conditions It has been confirmed that ruthenium species that can be reduced at low temperature may Mainly contributed to the catalytic activity. On the basis of the above findings, effective turnover number was introduced to better evaluate the catalytic performance.
关键词Adsorption-precipitation Ru/al2o3 Temperature-programmed Reduction Dimethyl Maleate
WOS记录号WOS:000337769300048
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/3784
专题新疆维吾尔自治区精细化工工程技术研究中心
作者单位Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100000, Peoples R China;Chinese Acad Sci, Inst Coal Chem, Taiyuan 030000, Peoples R China
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Wang, Lei,Abudukelimu, Nuermaimaiti,Gao, Zhixian,et al. Characterization of Ru/Al2O3 System Prepared by Adsorption-Precipitation Method[J]. ASIAN JOURNAL OF CHEMISTRY,2014,26(10):3021-3024.
APA Wang, Lei,Abudukelimu, Nuermaimaiti,Gao, Zhixian,&Eli, Wumanjiang.(2014).Characterization of Ru/Al2O3 System Prepared by Adsorption-Precipitation Method.ASIAN JOURNAL OF CHEMISTRY,26(10),3021-3024.
MLA Wang, Lei,et al."Characterization of Ru/Al2O3 System Prepared by Adsorption-Precipitation Method".ASIAN JOURNAL OF CHEMISTRY 26.10(2014):3021-3024.
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