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题名: Characterization of Ru/Al2O3 System Prepared by Adsorption-Precipitation Method
作者: Wang, Lei; Abudukelimu, Nuermaimaiti; Gao, Zhixian; Eli, Wumanjiang
关键词: Adsorption-precipitation ; Ru/Al2O3 ; Temperature-programmed reduction ; Dimethyl maleate
刊名: ASIAN JOURNAL OF CHEMISTRY
发表日期: 2014
卷: 26, 期:10, 页:3021-3024
收录类别: SCI
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.
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3784
Appears in Collections:新疆维吾尔自治区精细化工工程技术研究中心_期刊论文

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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

Recommended Citation:
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.
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