Preparation and characterization of a novel hydrodesulfurization catalyst

被引：0
|
作者：
Zhu Q. [1 ]
机构：
[1] Department of Chemistry, Hanshan Normal University
来源：
Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section) | 2011年 / 27卷 / 03期
关键词：
Deep hydrodesulfurization; Oxycarbide catalyst; Sulfidation;
D O I：
10.3969/j.issn.1001-8719.2011.03.023
中图分类号：
学科分类号：
摘要：
The oxidic precursor, NiO-MoO3/γ-Al2O3, was synthesized by the successive impregnation method. The catalysts resulted from the sulfidation, the temperature programmed carburization (TPC), and TPC followed by sulfidation of this precursor, as well as a kind of commercial hydrodesulfurization (HDS) catalyst, were evaluated with dibenzothiophene HDS performance and were characterized by XRD and XPS. It was observed that the sulfidation promoted HDS activity and stability of oxycarbide catalyst, which was attributed to the transformation of some Lewis acid sites to Brönsted acid sties favorable for HDS, while some hydrogenation catalytic performance and a majority of active sites were retained at the same time.
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页码：465 / 470
页数：5
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