CuO/ZrO2 co-promoted by ZnO, Sn, and CuP shows high efficiency for dimethyldichlorosilane production in the Rochow-Müller reaction

Fanchao Zeng; Yongxia Zhu; Baofang Jin; Yongjun Ji; Lei Shi; Guangwen Xu; Dongxing Fu; Ziyi Zhong; Fabing Su

doi:10.1016/j.apcata.2022.118582

CuO/ZrO2 co-promoted by ZnO, Sn, and CuP shows high efficiency for dimethyldichlorosilane production in the Rochow-Müller reaction

Fanchao Zeng, Yongxia Zhu, Baofang Jin^*, Yongjun Ji^*, Lei Shi^*, Guangwen Xu, Dongxing Fu^*, Ziyi Zhong, Fabing Su^*

^*Corresponding author for this work

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Multi-component promoters may efficiently improve the catalytic performance of the primary Cu-based catalysts in the Rochow-Müller reaction, but this approach is not well explored, and the roles of the promoters are not very clear. Herein, we report the ZrO2-supported CuO catalyst (CuO/ZrO2) modified with a co-promoter of ZnO, Sn, and CuP prepared by a simple dry ball-milling method. The co-promoter could significantly increase the amount of surface adsorbed oxygen and improve the reducing ability of catalysts, facilitating the formation of the active Cu3Si phase and further advancing dimethyldichlorosilane ((CH3)2SiCl2, M2) selectivity and Si conversion in the Rochow-Müller reaction. Compared to the state-of-the-art commercial catalyst, these CuO/ZrO2 catalysts with the co-promoters all showed enhanced catalytic activity. Especially, the CuO/ZrO2 catalyst with the co-existence of ZnO, Sn, and CuP promoters achieved the highest M2 selectivity and Si conversion, attributed to its most abundant surface adsorption oxygen and the strongest reducibility. This work opens up a new avenue to improve the catalytic activity of Cu-based catalysts for the Rochow-Müller reaction.

Original language	English
Journal	Applied Catalysis A: General
DOIs	https://doi.org/10.1016/j.apcata.2022.118582
State	Published - 25 Apr 2022

Keywords

CuO/ZrO2 catalyst
Promoters
Surface adsorbed oxygen
Rochow-Müller reaction
Dimethyldichlorosilane

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10.1016/j.apcata.2022.118582

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@article{427537eaeb7b491a9dd31a4e6d1e95a0,

title = "CuO/ZrO2 co-promoted by ZnO, Sn, and CuP shows high efficiency for dimethyldichlorosilane production in the Rochow-M{\"u}ller reaction",

abstract = "Multi-component promoters may efficiently improve the catalytic performance of the primary Cu-based catalysts in the Rochow-M{\"u}ller reaction, but this approach is not well explored, and the roles of the promoters are not very clear. Herein, we report the ZrO2-supported CuO catalyst (CuO/ZrO2) modified with a co-promoter of ZnO, Sn, and CuP prepared by a simple dry ball-milling method. The co-promoter could significantly increase the amount of surface adsorbed oxygen and improve the reducing ability of catalysts, facilitating the formation of the active Cu3Si phase and further advancing dimethyldichlorosilane ((CH3)2SiCl2, M2) selectivity and Si conversion in the Rochow-M{\"u}ller reaction. Compared to the state-of-the-art commercial catalyst, these CuO/ZrO2 catalysts with the co-promoters all showed enhanced catalytic activity. Especially, the CuO/ZrO2 catalyst with the co-existence of ZnO, Sn, and CuP promoters achieved the highest M2 selectivity and Si conversion, attributed to its most abundant surface adsorption oxygen and the strongest reducibility. This work opens up a new avenue to improve the catalytic activity of Cu-based catalysts for the Rochow-M{\"u}ller reaction.",

keywords = "CuO/ZrO2 catalyst, Promoters, Surface adsorbed oxygen, Rochow-M{\"u}ller reaction, Dimethyldichlorosilane",

author = "Fanchao Zeng and Yongxia Zhu and Baofang Jin and Yongjun Ji and Lei Shi and Guangwen Xu and Dongxing Fu and Ziyi Zhong and Fabing Su",

year = "2022",

month = apr,

day = "25",

doi = "10.1016/j.apcata.2022.118582",

language = "英语",

journal = "Applied Catalysis A: General",

issn = "0926-860X",

publisher = "Elsevier",

}

TY - JOUR

T1 - CuO/ZrO2 co-promoted by ZnO, Sn, and CuP shows high efficiency for dimethyldichlorosilane production in the Rochow-Müller reaction

AU - Zeng, Fanchao

AU - Zhu, Yongxia

AU - Jin, Baofang

AU - Ji, Yongjun

AU - Shi, Lei

AU - Xu, Guangwen

AU - Fu, Dongxing

AU - Zhong, Ziyi

AU - Su, Fabing

PY - 2022/4/25

Y1 - 2022/4/25

N2 - Multi-component promoters may efficiently improve the catalytic performance of the primary Cu-based catalysts in the Rochow-Müller reaction, but this approach is not well explored, and the roles of the promoters are not very clear. Herein, we report the ZrO2-supported CuO catalyst (CuO/ZrO2) modified with a co-promoter of ZnO, Sn, and CuP prepared by a simple dry ball-milling method. The co-promoter could significantly increase the amount of surface adsorbed oxygen and improve the reducing ability of catalysts, facilitating the formation of the active Cu3Si phase and further advancing dimethyldichlorosilane ((CH3)2SiCl2, M2) selectivity and Si conversion in the Rochow-Müller reaction. Compared to the state-of-the-art commercial catalyst, these CuO/ZrO2 catalysts with the co-promoters all showed enhanced catalytic activity. Especially, the CuO/ZrO2 catalyst with the co-existence of ZnO, Sn, and CuP promoters achieved the highest M2 selectivity and Si conversion, attributed to its most abundant surface adsorption oxygen and the strongest reducibility. This work opens up a new avenue to improve the catalytic activity of Cu-based catalysts for the Rochow-Müller reaction.

AB - Multi-component promoters may efficiently improve the catalytic performance of the primary Cu-based catalysts in the Rochow-Müller reaction, but this approach is not well explored, and the roles of the promoters are not very clear. Herein, we report the ZrO2-supported CuO catalyst (CuO/ZrO2) modified with a co-promoter of ZnO, Sn, and CuP prepared by a simple dry ball-milling method. The co-promoter could significantly increase the amount of surface adsorbed oxygen and improve the reducing ability of catalysts, facilitating the formation of the active Cu3Si phase and further advancing dimethyldichlorosilane ((CH3)2SiCl2, M2) selectivity and Si conversion in the Rochow-Müller reaction. Compared to the state-of-the-art commercial catalyst, these CuO/ZrO2 catalysts with the co-promoters all showed enhanced catalytic activity. Especially, the CuO/ZrO2 catalyst with the co-existence of ZnO, Sn, and CuP promoters achieved the highest M2 selectivity and Si conversion, attributed to its most abundant surface adsorption oxygen and the strongest reducibility. This work opens up a new avenue to improve the catalytic activity of Cu-based catalysts for the Rochow-Müller reaction.

KW - CuO/ZrO2 catalyst

KW - Promoters

KW - Surface adsorbed oxygen

KW - Rochow-Müller reaction

KW - Dimethyldichlorosilane

U2 - 10.1016/j.apcata.2022.118582

DO - 10.1016/j.apcata.2022.118582

M3 - 文章

SN - 0926-860X

JO - Applied Catalysis A: General

JF - Applied Catalysis A: General

ER -

CuO/ZrO2 co-promoted by ZnO, Sn, and CuP shows high efficiency for dimethyldichlorosilane production in the Rochow-Müller reaction

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Keywords

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