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题名:
Effect of Metal Ion in Bulk VPO in Aldol Condensation of Formaldehyde and Methyl Acetate to Methyl Acrylate
作者: Yang, Dan1,2; Sararuk, Chidchon2; Wang, Hui2; Zhang, Suojiang2; Li, Zengxi1; Li, Chunshan2
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
出版日期: 2018-01-10
卷号: 57, 期号:1, 页码:93-100
收录类别: SCI
WOS记录号: WOS:000419999800009
DOI: 10.1021/acs.iecr.7b03521
文章类型: Article
英文摘要: The metal ion effect on the bulk VPO was investigated using the aldol condensation of methyl acetate and formaldehyde to methyl acrylate. The VPO catalyst with 2 mol % Zr exhibited the highest methyl acrylate formation rate of 18.6 mu mol.g(-1).min(-1). A combination of X-ray diffraction, BET, TPD, XPS, and EPR, together with activity testing data, was utilized to analyze and explain the origin of the metal ion effects. The promotion of methyl acrylate production by the intercalation of Zr was associated with its interaction with the VPO phase. When Zr concentration attained 2 mol %, the Zr4+ ion was distributed in the surface adjacent layers and partially incorporated into VPO species, giving rise to a higher fraction of the beta-VOPO4 entity and a relatively higher amount of the badly distorted (VO)(2)P2O7 entity. These findings suggested that both beta-VOPO4 and distorted (VO)(2)P2O7 phases were required for the formation of methyl acrylate.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
关键词[WOS]: N-BUTANE OXIDATION ; PHOSPHORUS-OXIDE CATALYSTS ; P-O CATALYSTS ; MALEIC-ANHYDRIDE ; ACETIC-ACID ; SELECTIVE OXIDATION ; METHACRYLIC-ACID ; PHOSPHATE CATALYSTS ; PROPIONIC-ACID ; BASE
项目资助者: National Science Fund for Excellent Young Scholars(21422607) ; National Natural Science Fundation of China(21276267) ; National Key Projects for Fundamental Research and Development of China(2016YFB0601303) ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Key Laboratory of Applied Surface and Colloid Chemistry (Shanxi Normal University)
语种: 英语
ISSN号: 0888-5885
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ipe.ac.cn/handle/122111/23585
Appears in Collections:多相复杂系统国家重点实验室_期刊论文

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作者单位: 1.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Natl Key Lab Clean & Efficient Coking Technol, State Key Lab Multiphase Complex Syst, Inst Proc Engn,Beijing Key Lab Ion Liquids Clean, Beijing 100190, Peoples R China

Recommended Citation:
Yang, Dan,Sararuk, Chidchon,Wang, Hui,et al. Effect of Metal Ion in Bulk VPO in Aldol Condensation of Formaldehyde and Methyl Acetate to Methyl Acrylate[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2018,57(1):93-100.
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