Catalytic Oxygen Removal from Synthetic Coke Oven Gas: A Comparison of Sulfided CoMo/γ-Al2O3 and NiMo/γ-Al2O3 Catalysts with Pt/γ-Al2O3 as Benchmark Catalyst

被引：6
|
作者：
Wiesmann, Thomas [1 ]
Suh, Sung Youn [1 ]
Kaluza, Stefan [1 ,2 ]
Lohmann, Heiko [1 ]
Zeidler-Fandrich, Barbara [1 ]
机构：
[1] UMSICHT, Fraunhofer Inst Environm Safety & Energy Technol, Osterfelder Str 3, D-46047 Oberhausen, Germany
[2] Univ Appl Sci, Hsch Dusseldorf, Munsterstr 156, D-40476 Dusseldorf, Germany
来源：
CHEMIE INGENIEUR TECHNIK | 2020年 / 92卷 / 10期
关键词：
Carbon2Chem; Coke oven gas; Oxygen removal; Pt/gamma-Al2O3; Sulfided catalysts; CARBON-MONOXIDE; ACTIVE PHASE; HYDRODESULFURIZATION; OXIDATION; ALUMINA; METAL; MODEL; REGENERATION; PERFORMANCE;
D O I：
10.1002/cite.202000067
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
For the oxygen removal from coke oven gas (COG) the catalytic activity of commercial catalysts CoMo/gamma-Al2O3 and NiMo/gamma-Al2O3 was evaluated after a sulfidation pretreatment and compared to the Pt/gamma-Al2O3 reference catalyst. Elemental analysis and temperature-programmed desorption showed that the oxidation reaction and the associated oxidation of active sulfidic centers is the main cause of deactivation despite the presence of other reductants, such as hydrogen. This approach could allow an appropriate sulfide catalyst to be designed for oxygen removal corresponding to the typical COG composition in the presence of H2S.
引用
收藏
页码：1533 / 1541
页数：9
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