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| 担载型镍催化剂上丙烯吸附与反应的TPSR、EPR、XPS和UV-DRS研究 | |
| 引用本文： | 宋林花,阎子峰,罗继忠,翟宇恺,王秋莹. 担载型镍催化剂上丙烯吸附与反应的TPSR、EPR、XPS和UV-DRS研究[J]. 石油学报(石油加工), 2001, 17(2): 52-60 |
| 作者姓名： | 宋林花 阎子峰 罗继忠 翟宇恺 王秋莹 |
| 作者单位： | 1. 石油大学 2. 厦门大学 3. 兰州大学化学化工学院, |
| 基金项目： | 厦门大学固体表面物理化学国家重点实验室开放基金资助课题(J950411) |
| 摘 要： | 用TPSR、NH3-TPD、XPS、EPR和UV-DRS等手段对担载型镍催化剂上丙烯吸附与齐聚反应的特征进行了系统的考察。结果发现，以SiO |
| 关 键 词： | 担载型镍催化剂；丙烯吸附与齐聚反应；TPSR；EPR；XPS |
| 文章编号： | 1001-8719(2001)02-0052-09 |
| 修稿时间： | 1999-11-16 |
STUDIES OF NICKEL BASEDCATALYSTS FOR PROPYLENE ADSORPTION AND OLIGOMERIZATION BY TPSR |
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| SONG Lin-hua,YAN Zi-feng,LUO Ji-zhong,ZHAI Yu-kai,WANG Qiu-ying. STUDIES OF NICKEL BASEDCATALYSTS FOR PROPYLENE ADSORPTION AND OLIGOMERIZATION BY TPSR[J]. Acta Petrolei Sinica (Petroleum Processing Section), 2001, 17(2): 52-60 | |
| Authors: | SONG Lin-hua YAN Zi-feng LUO Ji-zhong ZHAI Yu-kai WANG Qiu-ying |
| Affiliation: | SONG Lin hua 1,YAN Zi feng 1,LUO Ji zhong 2,ZHAI Yu kai 3,WANG Qiu ying 3 |
| Abstract: | The nature of adsorption and oligomerization of propylene on nickel based catalysts was extensively investigated by combining techniques,such as temperature programmed surface reaction(TPSR),temperature programmed desorption of ammonia (NH3-TPD),X-ray photoelectron energy spectroscopy(XPS),electron paramagnetic resonance(EPR),and ultraviolet differential reflection spectroscopy (UV-DRS).There are three kinds of active sites existed on the surface of supported nickel catalysts,the strong acid site(720～820 K),the weak acid site(540～580 K)and the third one which in fact is the complex nickel based sites.Further characterizations showed that surface anchored Ni+ may be the active sites for the adsorption and oligomerization of propylene and that ［Ni(C3H6)］+, ［Ni(C3H6)2］+ and ［Ni(P)］+ may be the active intermediates of oligomerization of propylene. The possible activation pattern of nickel based catalysts and the mechanism of propylene oligomerization were also postulated. |
| Keywords: | nickel based catalysts absorption and oligomerization of propylene TPSR EPR XPS |
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