Non-mercury catalytic acetylene hydrochlorination over Ru catalysts enhanced by carbon nanotubes

被引：44
|
作者：
Li, Guangbi [1 ,2 ]
Li, Wei [1 ]
Zhang, Haiyang [1 ]
Pu, Yanfeng [1 ]
Sun, Mengxia [1 ]
Zhang, Jinli [1 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] Tianjin Univ Sci & Technol, Dept Environm Sci & Engn, Tianjin 300457, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 12期
关键词：
RUTHENIUM; NANOPARTICLES; CONFINEMENT; PERFORMANCE; CHEMISTRY; K2PDCL4; AU;
D O I：
10.1039/c4ra12017e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ru-based catalysts with different deposition sites were prepared using multiwalled carbon nanotubes as the support and RuCl3 as the precursor, to study the effects of multiwalled carbon nanotubes on the catalytic performance of Ru catalysts for acetylene hydrochlorination. It has been suggested that Ru catalysts deposited inside the CNTs channels exhibit the optimal catalytic activity with the acetylene conversion of 95.0% and the selectivity to VCM of 99.9% after 10 h on stream under the conditions of 170 degrees C and GHSV (C2H2) of 90 h(-1). In combination with characterizations of BET, TEM, XRD, TPR, TPD and XPS, it is illustrated that the CNTs with the inner diameter about 3-7 nm can functionalize as an efficient support with unique electron property to enhance the catalytic performance of Ru-based catalysts for acetylene hydrochlorination.
引用
收藏
页码：9002 / 9008
页数：7
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