Phosphate modified carbon nanotubes for oxidative dehydrogenation of n-butane

Phosphate modified carbon nanotubes for oxidative dehydrogenation of n-butane

Yajie

Zhang;Rui

Huang;Zhenbao

Feng;Hongyang

Liu;Chunfeng

Shi;Junfeng

Rong;Baoning Zong;Dangsheng Su

【期刊名称】《天然气化学（英文版）》 【年(卷),期】2016(025)003

【摘要】Catalytic performance of phosphate-modified carbon nanotube (PoCNT) catalysts for oxidative dehydrogenation (ODH) of n-butane has been systematically investigated.The PoCNT catalysts are characterized by SEM,TEM,XPS and TG techniques.We set the products selectivity as a function of butane conversion over various phosphate loading,and it is found that the PoCNT catalyst with the 0.8％ phosphate weight loading (0.8PoCNT) exhibits the best catalytic performance.When the phosphate loading is higher than 0.8 wt％,the difference of catalytic activity among the PoCNT catalysts is neglectable.Consequently,the ODH of n-butane over the 0.8PoCNT catalyst is particularly discussed via changing the reaction conditions including reaction temperatures,residence time and n-butane/O2 ratios.The interacting mechanism of phosphate with the oxygen functional groups on the CNT surface is also proposed. 【总页数】5页(349-353) 【关键词】

【作者】Yajie Zhang;Rui Huang;Zhenbao Feng;Hongyang Liu;Chunfeng

Shi;Junfeng Rong;Baoning Zong;Dangsheng Su

【作者单位】University of Science and Technology of China, Hefei 230026, Anhui, China;Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China;Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China;Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China;Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese

Academy

of

Sciences,

Shenyang

110016,

Liaoning,

China;Sinopec Research Institute of Petroleum Processing, Beijing 100083, China;Sinopec Research Institute of Petroleum Processing, Beijing 100083, China;Sinopec Research Institute of Petroleum Processing, Beijing 100083, China;Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China 【正文语种】英文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_natural-gas-chemistry-english_thesis/0201218500855.html

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