Naphthalene hydrogenation over nickel–tungsten sulfide catalysts synthesized in situ from DMSO–hydrocarbon medium emulsions

被引：0
|
作者：
I. A. Sizova
S. V. Antonov
S. I. Serdyukov
A. L. Maksimov
机构：
[1] Russian Academy of Sciences,Topchiev Institute of Petrochemical Synthesis
[2] Moscow State University,Faculty of Chemistry
来源：
Petroleum Chemistry | 2017年 / 57卷
关键词：
nickel–tungsten sulfide catalysts; hydrodearomatization; in situ synthesis of catalysts; nonaqueous emulsions; DMSO;
D O I：
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中图分类号：
学科分类号：
摘要：
A method for synthesizing unsupported nickel–tungsten sulfide hydrodearomatization catalysts by breaking SPAN-80 surfactant-stabilized nonaqueous emulsions of solutions of different precursors in dimethyl sulfoxide (DMSO) in situ in a hydrocarbon medium has been first studied using ammonium thiotungstate (NH4)2WS4 and 1-butyl-1-methylpiperidinium nickel thiotungstate [BMPip]2Ni[WS4]2 as precursors and nickel nitrate hexahydrate as a nickel source. The synthesized nickel–tungsten catalysts have been characterized by TEM and XPS. The catalytic activity of the in situ synthesized Ni–W particles in naphthalene hydrogenation has been studied at temperatures of 350–400°C and a hydrogen pressure of 5.0 MPa.
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页码：66 / 70
页数：4
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