Comparable investigation of spillover and cobalt promoter effects in CoMoS/CoS_x/SiO₂ catalysts for selective hydrotreating of model FCC gasoline

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• 作者：Al. A. Pimerzin^a ; D.I. Ishutenko^a ; A.V. Mozhaev^a ; V.M. Kapustin^b ; E.A. Chernysheva^b ; A.V. Maximova^b ; A.A. Pimerzin^a ; P.A. Nikulshin^a ; ^{p.a.nikulshin@gmail.com}
• 关键词：Selective hydrodesulphurization ; Thiophene ; Hexene-1 ; CoMoS ; Hydrogen spillover
• 刊名：Fuel Processing Technology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：156
• 期：Complete
• 页码：98-106
• 全文大小：1287 K
• 卷排序：156

文摘

Cox-Co2Mo10/Cox/SiO2 catalysts with various Co content in precursor or support are prepared. Thiophene and hexene-1 conversions increase with Co loading. HDS/HYDO selectivity increases with CoMoS promotion. HDS/HYDO selectivity decreases due to CoSx/SiO2 and H2 spillover. TPR confirms that CoSx/SiO2 facilitates the reduction of MoS2/SiO2 in separate bed. Catalyst with fully promoted edges' active sites has highest selectivity factor.