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A highly efficient sulfonic acid resin for liquid-phase carbonylation of dimethoxymethane
Chen, Fei2; Shi, Lei1,2; Yao, Jie2; Wang, Yan2; Zhang, Dongxi2; Zhu, Wenliang1; Liu, Zhongmin1
Source PublicationCATALYSIS SCIENCE & TECHNOLOGY
2018-01-21
ISSN2044-4753
DOI10.1039/c7cy02158e
Volume8Issue:2Pages:580-590
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordPOLYOXYMETHYLENE DIMETHYL ETHERS ; ETHYLENE-GLYCOL ; METHYL METHOXYACETATE ; FORMALDEHYDE ; CATALYSTS ; HETEROPOLYACIDS ; PRECURSORS ; METHANOL ; FORMATE
AbstractMethyl methoxyacetate (MMAc), which is an important fine chemical, can be used as an intermediate to produce ethylene glycol from syngas. For the reported vapor-phase carbonylation of dimethoxymethane (DMM), the reaction was conducted under a higher (>100) CO/DMM molar ratio with a lower CO conversion (<0.5%). This paper systematically studied the effects of different zeolites and sulfonic acid resin catalysts, reaction temperature, CO pressure, CO/DMM ratio, reaction time, drying temperature, as well as H2O and methanol contents on DMM conversion and products selectivities, using a slurry phase reactor. A highly efficient sulfonic acid resin was selected without the assistance of a solvent and the DMM conversion reached nearly 100%, with 64.39% MMAc selectivity at 110 degrees C and 5.0 MPa for 6 h, with a CO/DMM ratio of only 1.67/1. The effects of H2O (32 ppm-10 wt%) and methanol (0.5-10 wt%) content on the carbonylation efficiency were also systematically studied. After removing H2O from the DMM and resin catalyst, the MMAc selectivity got as high as 74.14% under the same reaction conditions. According to these reaction results and a precise GC-MS analysis, DMM2, MG, DMG, MA, and MMAc2 were evidently produced, along with MMAc, DME, MF, and methanol. We propose reaction routes from these results, and anticipate that this direct carbonylation of DMM to produce an MMAc process is promising for industrial manufacturing.
Language英语
WOS IDWOS:000423483200018
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168599
Collection中国科学院大连化学物理研究所
Corresponding AuthorShi, Lei; Liu, Zhongmin
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China
2.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Peoples R China
Recommended Citation
GB/T 7714
Chen, Fei,Shi, Lei,Yao, Jie,et al. A highly efficient sulfonic acid resin for liquid-phase carbonylation of dimethoxymethane[J]. CATALYSIS SCIENCE & TECHNOLOGY,2018,8(2):580-590.
APA Chen, Fei.,Shi, Lei.,Yao, Jie.,Wang, Yan.,Zhang, Dongxi.,...&Liu, Zhongmin.(2018).A highly efficient sulfonic acid resin for liquid-phase carbonylation of dimethoxymethane.CATALYSIS SCIENCE & TECHNOLOGY,8(2),580-590.
MLA Chen, Fei,et al."A highly efficient sulfonic acid resin for liquid-phase carbonylation of dimethoxymethane".CATALYSIS SCIENCE & TECHNOLOGY 8.2(2018):580-590.
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