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Hydrochlorination of Acetylene Using SiC Foam Supported Structured C/Au Catalysts
X. D. Yang; C. H. Jiang; Z. M. Yang; J. S. Zhang
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:5Pages:434-440
AbstractAuCl3 loaded structured catalysts were prepared on SiC foam supported with pre-coated activated carbon layers. The catalytic properties of the structured catalysts towards hydrochlorination of acetylene were tested in a fixed-bed reactor with the AuCl3 loaded on activated carbon pellets as a reference. For isopyknic catalysts, the structured catalyst with only one fifth of the Au amount as that was used on the reference catalyst exhibited even a little higher acetylene conversion and much better stability than the latter no matter what the gas hourly space velocities of acetylene were used. The results indicated that the more homogeneous distribution of AuCl3 particles and better heat transfer along the fixed-bed reactor originated from the low pressure drop and high thermal conductivity of the SiC foam supported structured catalysts might be able to account for their improved efficiency and stability. It is believed that these novel structured C/Au catalysts can be potentially applied in VCM industrialization in view of their greatly reduced cost and much prolonged life.
description.department[yang, xiaodan ; jiang, chunhai ; yang, zhenming ; zhang, jinsong] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; zhang, js (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; jshzhang@imr.ac.cn
KeywordStructured Catalysts Acetylene Hydrochlorination Silicon Carbide Foams Carbon Coating Heterogeneous Reaction Vapor-phase Hydrochlorination Activated Carbon Deactivation Mechanisms Coatings
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72953
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. D. Yang,C. H. Jiang,Z. M. Yang,et al. Hydrochlorination of Acetylene Using SiC Foam Supported Structured C/Au Catalysts[J]. Journal of Materials Science & Technology,2014,30(5):434-440.
APA X. D. Yang,C. H. Jiang,Z. M. Yang,&J. S. Zhang.(2014).Hydrochlorination of Acetylene Using SiC Foam Supported Structured C/Au Catalysts.Journal of Materials Science & Technology,30(5),434-440.
MLA X. D. Yang,et al."Hydrochlorination of Acetylene Using SiC Foam Supported Structured C/Au Catalysts".Journal of Materials Science & Technology 30.5(2014):434-440.
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