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Controllable wet synthesis of multicomponent copper-based catalysts for Rochow reaction
Zhai, Yanzhao1,2; Ji, Yongjun1; Wang, Guangna1; Zhu, Yongxia1; Liu, Hezhi1; Zhong, Ziyi3; Su, Fabing1
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:89Pages:73011-73019
Abstract

This work aims to provide a facile, low-cost and scalable method for the preparation of multicomponent Cu-Cu2O-CuO catalysts, which are of high interest to the organosilane industry. A series of submicrometer-sized and Cu-based catalysts containing CuO, Cu2O and Cu, or some combination of them, were synthesized by a simple low-temperature wet chemical method using CuSO4 center dot 5H(2)O as the precursor and N2H4 center dot H2O as a reducing agent. The samples were characterized by X-ray diffraction, thermogravimetric analysis, temperature-programmed reduction, X-ray photoelectron spectroscopy, transmission electron microscopy, and scanning electron microscopy techniques. It was observed that the composition of the samples could be tailored by varying the amount of reducing agent at a given reaction temperature and time. These catalysts were then tested in the Rochow reaction, using silicon powder and methyl chloride (MeCl) as reactants to produce dimethyldichlorosilane (M2), which is the most important organosilane monomer in the industry. Compared with bare CuO and Cu particles, the ternary CuO-Cu2O-Cu catalyst displayed much improved M2 selectivity and Si conversion, which can be attributed to the smaller copper particle size and the synergistic effect among the different components in the CuO-Cu2O-Cu catalyst. This catalyst preparation method is expected to yield efficient and low-cost copper catalysts for the organosilane industry.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra10999j
Indexed BySCI
Language英语
WOS KeywordDIMETHYLDICHLOROSILANE SYNTHESIS ; CUO MICROSPHERES ; SOLVOTHERMAL SYNTHESIS ; METHYLCHLOROSILANES ; PROMOTERS ; MICROPARTICLES ; PERFORMANCE ; CU(OH)(2) ; PHASE ; BED
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000360552000065
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19506
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
3.Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore
Recommended Citation
GB/T 7714
Zhai, Yanzhao,Ji, Yongjun,Wang, Guangna,et al. Controllable wet synthesis of multicomponent copper-based catalysts for Rochow reaction[J]. RSC ADVANCES,2015,5(89):73011-73019.
APA Zhai, Yanzhao.,Ji, Yongjun.,Wang, Guangna.,Zhu, Yongxia.,Liu, Hezhi.,...&Su, Fabing.(2015).Controllable wet synthesis of multicomponent copper-based catalysts for Rochow reaction.RSC ADVANCES,5(89),73011-73019.
MLA Zhai, Yanzhao,et al."Controllable wet synthesis of multicomponent copper-based catalysts for Rochow reaction".RSC ADVANCES 5.89(2015):73011-73019.
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