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SPHERICAL P-MODIFIED CATALYSTS FOR HETEROGENEOUS CROSS-ALDOL CONDENSATION OF FORMALDEHYDE WITH METHYL ACETATE FOR METHYL ACRYLATE PRODUCTION
Zuo, Cuncun1; Li, Chunshan2; Ge, Tingting1,3; Guo, Xinpeng1; Zhang, Suojiang1
2017-11-01
发表期刊CANADIAN JOURNAL OF CHEMICAL ENGINEERING
ISSN0008-4034
卷号95期号:11页码:2104-2111
摘要

A series of spherical supported catalysts were prepared for the production of methyl acrylate (MA) via cross-aldol condensation with methyl acetate (MeOAc) and formaldehyde-the simplest aldehyde without alpha-H. ZSM-5, gamma-Al2O3, MCM-41, SBA-15, and beta-zeolite were used as supports and phosphorus element (P) was selected for the active component to synthesize the catalyst to study the influence of the catalyst acid-base properties on the yield of MA. The catalyst was characterized with X-ray diffraction, XPS, Pyridine FTIR, BET, SEM, TEM, CO2-TPD, and NH3-TPD and the changes of the catalyst structure and acid properties were explored. The results showed the carbonyl polarity of methyl acetate was boosted by Lewis acid sites (L acid) and the formaldehyde activation and formation of ester enol form could be promoted by Bronsted acid sites (B acid). Using the fixed-bed reactor, the effect of calcination temperature, catalyst loading, reaction temperature, molar ratio of reactants, and sources of phosphorus were optimized, then the catalyst life and regeneration performance were also evaluated. Lastly, the catalytic mechanism of P-modified ZSM-5 catalysts was proposed.

关键词Spherical Catalyst Cross-aldol Condensation Methyl Acrylate Acid-base Properties Catalytic Mechanism
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1002/cjce.22889
收录类别SCI
语种英语
关键词[WOS]HYDROTALCITE-LIKE COMPOUNDS ; CARBON DEPOSITION ; METHACRYLIC-ACID ; LOWER ALDEHYDES ; PROPIONIC-ACID ; MODIFIED ZSM-5 ; ZEOLITES ; ACETALDEHYDE ; SILICA ; HYDROGENATION
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Science Fund for Excellent Young Scholars(21422607) ; National key R D program(2016YFB0601303) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH022)
WOS记录号WOS:000413360200009
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23289
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Inst Proc Engn,Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
3.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
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Zuo, Cuncun,Li, Chunshan,Ge, Tingting,et al. SPHERICAL P-MODIFIED CATALYSTS FOR HETEROGENEOUS CROSS-ALDOL CONDENSATION OF FORMALDEHYDE WITH METHYL ACETATE FOR METHYL ACRYLATE PRODUCTION[J]. CANADIAN JOURNAL OF CHEMICAL ENGINEERING,2017,95(11):2104-2111.
APA Zuo, Cuncun,Li, Chunshan,Ge, Tingting,Guo, Xinpeng,&Zhang, Suojiang.(2017).SPHERICAL P-MODIFIED CATALYSTS FOR HETEROGENEOUS CROSS-ALDOL CONDENSATION OF FORMALDEHYDE WITH METHYL ACETATE FOR METHYL ACRYLATE PRODUCTION.CANADIAN JOURNAL OF CHEMICAL ENGINEERING,95(11),2104-2111.
MLA Zuo, Cuncun,et al."SPHERICAL P-MODIFIED CATALYSTS FOR HETEROGENEOUS CROSS-ALDOL CONDENSATION OF FORMALDEHYDE WITH METHYL ACETATE FOR METHYL ACRYLATE PRODUCTION".CANADIAN JOURNAL OF CHEMICAL ENGINEERING 95.11(2017):2104-2111.
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