Kinetics of Selective Hydrogenation of Dimethyl Maleate to Dimethyl Succinate in Liquid Phase
Abudukelimu Nuermaimaiti; Xi Hongjuan; Qing Shaojun; Ma Yubo; Gao Zhixian; Eli Wumanjang
2012
Source PublicationASIAN JOURNAL OF CHEMISTRY
ISSN0970-7077
Volume24Issue:11Pages:5341-5345
AbstractIn this paper, the dimethyl succinate produced by hydrogenation of dimethyl maleate and the kinetics of liquid phase hydrogenation of dimethyl maleate to dimethyl succinate was primary studied over ruthenium catalyst in a methanol solution in the temperature range of 323 to 343 K. and hydrogen partial pressure from 0.4 to 1.2 MPa. The catalyst was found to be effective for the selective hydrogenation of dimethyl maleate and the dimethyl succinate was the only product. The reaction exhibited an apparent zero-order dependence on dimethyl maleate concentration at higher than ca. 0.26 mol/L, while a reaction order of 0.70 +/- 0.03 with respect to dimethyl maleate was obtained in the range of 0.015-0.180 mol/L. However, the reaction order with respect to hydrogen partial pressure was 0.82 +/- 0.05 in the tested dimethyl maleate concentration range. The activation energy had been found to be 58.926 +/- 2 kJ/mol. The obtained rate laws fitted well the experimmtal data.
KeywordDimethyl Maleate Dimethyl Succinate Hydrogenation Kinetics
Subject AreaChemistry
WOS IDWOS:000310771100124
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2759
Collection新疆维吾尔自治区精细化工工程技术研究中心
AffiliationChinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China;Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
Recommended Citation
GB/T 7714
Abudukelimu Nuermaimaiti,Xi Hongjuan,Qing Shaojun,et al. Kinetics of Selective Hydrogenation of Dimethyl Maleate to Dimethyl Succinate in Liquid Phase[J]. ASIAN JOURNAL OF CHEMISTRY,2012,24(11):5341-5345.
APA Abudukelimu Nuermaimaiti,Xi Hongjuan,Qing Shaojun,Ma Yubo,Gao Zhixian,&Eli Wumanjang.(2012).Kinetics of Selective Hydrogenation of Dimethyl Maleate to Dimethyl Succinate in Liquid Phase.ASIAN JOURNAL OF CHEMISTRY,24(11),5341-5345.
MLA Abudukelimu Nuermaimaiti,et al."Kinetics of Selective Hydrogenation of Dimethyl Maleate to Dimethyl Succinate in Liquid Phase".ASIAN JOURNAL OF CHEMISTRY 24.11(2012):5341-5345.
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