不同镍含量钨基碳化态催化剂对十氢萘加氢开环的影响

摘要/Abstract

摘要： 采用共浸渍法制备不同镍含量的Ni-W/ USY-Al2O3碳化态催化剂。通过N2吸附-脱附、元素分析、CO滴定、X射线衍射（XRD）、程序升温还原等技术对催化剂进行表征。以十氢萘为模型化合物考察了不同Ni含量钨基碳化态催化剂对十氢萘加氢开环反应性能的影响。结果表明，适当的镍钨原子比能够提高催化剂的金属活性位，进而提高催化剂的加氢开环性能。

关键词: 十氢萘, 加氢开环, 镍含量, 钨基碳化态催化剂

Abstract: A series of Ni-W/USY-Al2O3 carbides with different Ni content was prepared by co-impregnation method and were characterized by N2 adsorption-desorption, element analysis, CO titration, X-ray diffraction (XRD), and temperature programmed reduction. Decalin was chosen as the model reactant for measuring the effect of Ni content on tungsten-based carbide catalysts. The results showed that an appropriate atomic ratio of Ni to W can increase the metal sites of the catalysts, thus improving the ring opening performance of the catalysts.

Key words: decalin, ring opening, Ni content, tungsten-based carbide catalyst

中图分类号:

袁利静孟现洁冯军鹏赵亮富. 不同镍含量钨基碳化态催化剂对十氢萘加氢开环的影响[J]. 石油炼制与化工, 2019, 50(5): 18-23.

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