Synthesis of nickel–tungsten sulfide hydrodearomatization catalysts by the decomposition of oil-soluble precursors

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• 作者：I. A. Sizova ; A. B. Kulikov ; M. I. Onishchenko ; S. I. Serdyukov…
• 关键词：tungsten hexacarbonyl ; oil ; soluble precursors ; nickel–tungsten sulfide catalyst ; dehydrodearomatization ; light cycle oil
• 刊名：Petroleum Chemistry
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：56
• 期：1
• 页码：44-50
• 全文大小：243 KB
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• 作者单位：I. A. Sizova (1)
  A. B. Kulikov (1)
  M. I. Onishchenko (1)
  S. I. Serdyukov (1) (2)
  A. L. Maksimov (1) (2)
  
  1. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia
  2. Faculty of Chemistry, Moscow State University, Moscow, Russia
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1555-6239

文摘

Nickel–tungsten sulfide catalysts for the hydrogenation of aromatic hydrocarbons have been prepared by the in situ decomposition of an oil-soluble tungsten hexacarbonyl precursor in a hydrocarbon feedstock using oil-soluble nickel salt nickel(II) 2-ethylhexanoate as a source of nickel. The in situ synthesized Ni–W–S catalyst has been characterized by X-ray photoelectron spectroscopy. The activity of the resulting catalysts has been studied in the hydrogenation of bicyclic aromatic hydrocarbons and dibenzothiophene conversion in a batch reactor at a temperature of 350°C and a hydrogen pressure of 5.0 MPa. It has been shown that the optimum W : Ni molar ratio is 1 : 2. Using the example of the hydrofining of feedstock with high sulfur and aromatics contents, it has been shown that the synthesized catalyst exhibits high activity in the hydrogenation of aromatic hydrocarbons. Keywords tungsten hexacarbonyl oil-soluble precursors nickel–tungsten sulfide catalyst dehydrodearomatization light cycle oil