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Optimizing the structure of supported Pd catalyst for direct oxidative esterification of methacrolein with methanol
Diao, Yanyan; He, Hongyan; Yang, Pu; Wang, Lei; Zhang, Suojiang
2015-10-02
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume135Issue:S1Pages:128-136
Abstract

It is challenging to produce methyl methacrylate with high yield using direct oxidative esterification of methacrolein with methanol under oxygen atmosphere, and the key factor is the development of high-efficient and long-life supported Pd catalyst. In order to get the excellent catalyst, the effect of main influencing factors, such as promoters, supports, Pd precursors and reduction agents, on the catalyst structure and the catalytic performance were systematically studied. The results of the analysis indicated that the addition of promoters Pb to Pd crystallites catalyst, made the formation of new active bimetallic Pd3Pb crystallites, which could improve the catalytic activity; supports with different components and physico-chemical properties had great influence on the size of bimetallic Pd3Pb crystallites; different Pd precursors had different adsorption mechanisms on the support which affected the dispersion of Pd; reductant and reduction temperature affected the size of Pd3Pb crystallites. These studies are important clues for developing the new and cheap catalyst for this kind of direct oxidative esterification reactions. (C) 2015 Elsevier Ltd. All rights reserved.

KeywordMethacrolein Oxidative Esterification Pd Catalyst Methyl Methacrylate
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2015.05.038
Indexed BySCI
Language英语
WOS KeywordMETHYL-METHACRYLATE ; SELECTIVE HYDROGENATION ; BIMETALLIC CATALYSTS ; PALLADIUM CATALYSTS ; GOLD CATALYSTS ; ALDEHYDES ; ALCOHOLS ; PB ; PERFORMANCE ; ACROLEIN
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000363036100014
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19647
Collection多相复杂系统国家重点实验室
AffiliationChinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Diao, Yanyan,He, Hongyan,Yang, Pu,et al. Optimizing the structure of supported Pd catalyst for direct oxidative esterification of methacrolein with methanol[J]. CHEMICAL ENGINEERING SCIENCE,2015,135(S1):128-136.
APA Diao, Yanyan,He, Hongyan,Yang, Pu,Wang, Lei,&Zhang, Suojiang.(2015).Optimizing the structure of supported Pd catalyst for direct oxidative esterification of methacrolein with methanol.CHEMICAL ENGINEERING SCIENCE,135(S1),128-136.
MLA Diao, Yanyan,et al."Optimizing the structure of supported Pd catalyst for direct oxidative esterification of methacrolein with methanol".CHEMICAL ENGINEERING SCIENCE 135.S1(2015):128-136.
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