The activity and stability of PdCl2/C-N catalyst for acetylene hydrochlorination

被引：28
|
作者：
Li, Pan [1 ,2 ]
Ding, Minzheng [2 ]
He, Limin [2 ]
Tie, Kai [2 ]
Ma, Hao [3 ]
Pan, Xiulian [2 ]
Bao, Xinhe [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China
[2] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2018年 / 61卷 / 04期
基金：
美国国家科学基金会;
关键词：
acetylene hydrochlorination; nitrogen doping; palladium chloride; mercury-free catalyst; stability; METAL NANOPARTICLES; PD/HY CATALYSTS; CARBON SPHERES; HYDROGENATION; DEACTIVATION; REGENERATION;
D O I：
10.1007/s11426-017-9154-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon supported PdCl2 is highly active in catalyzing acetylene hydrochlorination reaction, but deactivates rather quickly. Upon nitrogen doping in the carbon structure, the stability of the PdCl2 catalysts is significantly improved. Furthermore, the results show that 900 A degrees C is a preferred doping temperature. The acetylene conversion keeps above 90% even after 1200 min time on stream whereas the one without nitrogen doping drops to below 10% after 450 min. The stabilizing mechanism of nitrogen doping on catalyst was studied.
引用
收藏
页码：444 / 448
页数：5
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