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Converting industrial waste contact masses into effective multicomponent copper-based catalysts for the Rochow process
Liu, Hezhi1,2; Ji, Yongjun2; Zhu, Yongxia2; Wang, Guangna2; Wang, Xueguang1; Zhong, Ziyi3; Su, Fabing2
2018-04-01
发表期刊PARTICUOLOGY
ISSN1674-2001
卷号37页码:1-8
摘要In this work, we report a simple and inexpensive approach to synthesize effective multicomponent Cu-Cu2O-CuO catalysts for the Rochow process from industrial waste contact masses (WCMs). WCMs from the organosilane industry were treated with acid followed by reduction with metallic iron powder. The obtained copper powder was then subjected to controlled oxidation in air at different temperatures, followed by ball milling. The orthogonal array approach was applied to optimize this process, and the stirring speed and pH were found to significantly affect the leaching ratio and copper yield, respectively. When used for the Rochow process, the optimized ternary Cu-Cu2O-CuO catalyst greatly enhanced the dimethyldichlorosilane selectivity and Si conversion compared with Cu-Cu2O-CuO catalysts prepared without ball milling, bare Cu catalysts, and Cu-Cu2O-CuO catalysts with different compositions. This could be attributed to their small particle size and the strong synergistic effect among the multiple components in the catalyst with the optimized composition. (C) 2017 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词Acid Leaching Controlled Synthesis Solid Waste Copper-based Catalyst Rochow Reaction
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.partic.2017.05.008
收录类别SCI
语种英语
关键词[WOS]METHYLCHLOROSILANES ; METHYL ; MICROSPHERES ; PROMOTERS ; MECHANISM ; SILICON ; REACTOR ; CU
WOS研究方向Engineering ; Materials Science
WOS类目Engineering, Chemical ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(21506224) ; Institute of Chemical and Engineering Sciences
WOS记录号WOS:000425557700001
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24060
专题多相复杂系统国家重点实验室
作者单位1.Shanghai Univ, Sch Mat Sci & Engn, State Key Lab Adv Special Steel, Shanghai 200072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.ASTAR, Inst Chem & Engn Sci, 1 Pesek Rd, Jurong Isl 627833, Singapore
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GB/T 7714
Liu, Hezhi,Ji, Yongjun,Zhu, Yongxia,et al. Converting industrial waste contact masses into effective multicomponent copper-based catalysts for the Rochow process[J]. PARTICUOLOGY,2018,37:1-8.
APA Liu, Hezhi.,Ji, Yongjun.,Zhu, Yongxia.,Wang, Guangna.,Wang, Xueguang.,...&Su, Fabing.(2018).Converting industrial waste contact masses into effective multicomponent copper-based catalysts for the Rochow process.PARTICUOLOGY,37,1-8.
MLA Liu, Hezhi,et al."Converting industrial waste contact masses into effective multicomponent copper-based catalysts for the Rochow process".PARTICUOLOGY 37(2018):1-8.
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