Dry reforming of methane over Ni-substituted CaZrNiOx catalyst prepared by the homogeneous deposition method

被引：21
作者：
Park, Jung-Hyun [1 ]
Heo, Iljeong [1 ]
Chang, Tae-Sun [1 ]
机构：
[1] Korea Res Inst Chem Technol, Ctr Environm & Sustainable Resources, 141 Gajeong Ro, Daejeon 34114, South Korea
来源：
CATALYSIS COMMUNICATIONS | 2019年 / 120卷
关键词：
Methane dry reforming; Homogeneous deposition; Nickel; CaO; Strong interaction; Syngas; COKE FORMATION; PERFORMANCE; STABILITY; AL2O3;
D O I：
10.1016/j.catcom.2018.11.006
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：
Ni-substituted CaZrNiOx was prepared by the homogeneous deposition method (HDP) and the effect of the preparation method on the catalytic activity was studied in dry reforming of methane. CaZrNiOx-HDP revealed enhancements in terms of the amount of basic sites for CO2-TPD, Ni dispersion for H-2-chemisorption, and metal-support interaction for H-2-TPR, as compared with the Ni-impregnated CaZrOx. CaZrNiOx-HDP exhibited better catalytic activity and stability than Ni-impregnated CaZrOx during 100 h of reaction. The enhanced catalytic activity was related to the improved physicochemical properties, which was influenced by the preparation method.
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页码：1 / 5
页数：5
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