期刊
SCIENCE CHINA-CHEMISTRY
卷 61, 期 4, 页码 444-448出版社
SCIENCE PRESS
DOI: 10.1007/s11426-017-9154-x
关键词
acetylene hydrochlorination; nitrogen doping; palladium chloride; mercury-free catalyst; stability
资金
- National Science Foundation of China [21425312, 21373207, 21321002]
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.
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