Structured Ni(Cl)/CeO2/η-Al2O3/FeCrAl wire mesh catalyst for selective CO methanation

被引：15
|
作者：
Konishcheva, M. V. [1 ,2 ,3 ]
Snytnikov, P. V. [1 ,2 ,3 ]
Rogozhnikov, V. N. [1 ]
Salanov, A. N. [1 ]
Potemkin, D. I. [1 ,2 ,3 ]
Sobyanin, V. A. [1 ]
机构：
[1] Boreskov Inst Catalysis, Pr Lavrentieva 5, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Pirogova St 2, Novosibirsk 630090, Russia
[3] EFCOM LLC, Nobel St 5, Moscow 143026, Russia
来源：
CATALYSIS COMMUNICATIONS | 2019年 / 118卷
关键词：
Hydrogen-rich gas; Reformate; Selective or preferential CO methanation; CO clean-up; Nickel ceria catalysts; Structured catalysts; FeCrAlloy wire mesh; PREFERENTIAL OXIDATION; PERFORMANCE; CHLORINE; REACTORS; CLEANUP; STREAM; NI;
D O I：
10.1016/j.catcom.2018.09.011
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A structured Ni(Cl)/CeO2/eta-Al2O3/FeCrAl catalyst was developed and tested for the reaction of selective methanation of CO in the presence of CO2. The use of a FeCrAlloy wire mesh with a eta-Al2O2 protective coating as a support of Ni(Cl)/CeO2 enabled production of a catalyst with the ability of high rates of heat removal, that is similar in performance to the most efficient powder catalysts. In a hydrogen-rich gas mixture of composition (vol %): 1.0 CO, 65 H-2, 10 H2O, 20 CO2, He - balance, at WHSV of 29 L g(-1) h(-1), the Ni(CH/CeO2/eta-Al2O3/FeCrAl catalyst reduced the CO concentration to a level of < 10 ppm in the temperature range of 230-270 degrees C with a selectivity larger than 70%.
引用
收藏
页码：25 / 29
页数：5
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