Activity of In situ Obtained NiWS Catalysts in Hydrodeoxygenation: Effect of Water Addition

被引：0
|
作者：
Mamian, L. G. [1 ]
Kuchinskaya, T. S. [1 ]
Knyazeva, M. I. [1 ]
机构：
[1] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow 119991, Russia
来源：
PETROLEUM CHEMISTRY | 2022年 / 62卷 / 11期
关键词：
hydrodeoxygenation; diphenyl ether; dispersed catalysts; nanosized sulfide catalyst; nickel-tungsten sulfide catalyst; BIO-OIL;
D O I：
10.1134/S0965544122100127
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Unsupported NiWS catalysts formed in situ by thermal decomposition of the synthesized sulfonium thiosalt were studied in hydrodeoxygenation of diphenyl ether. The influence of the reaction temperature and time, H-2 pressure, and gravimetric water content of the system on the catalyst activity and reaction product composition was studied. The diphenyl ether conversion reaches 100% already in 2 h after the start of the process and at an H-2 pressure of 1 MPa. The catalysts obtained were characterized by high-resolution transmission electron microscopy and X-ray photoelectron spectroscopy. The water addition to the system does not noticeably influence the activity of the formed catalysts but leads to changes in the morphology of sulfide particles and phase composition of the surface layer of the catalysts.
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收藏
页码：1291 / 1299
页数：9
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