Comparative Studies of Non-noble Metal Modified Mesoporous M-Ni-CaO-ZrO2 (M=Fe, Co, Cu) Catalysts for Simulated Biogas Dry Reforming

被引：33
作者：
Wang, Changzhen [1 ]
Zhang, Yin [1 ]
Wang, Yongzhao [1 ]
Zhao, Yongxiang [1 ]
机构：
[1] Shanxi Univ, Engn Res Ctr, Minist Educ Fine Chem, Taiyuan 030006, Shanxi, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2017年 / 35卷 / 01期
基金：
中国国家自然科学基金;
关键词：
nickel catalyst; non-noble metal modified; bimetallic catalyst; biogas dry reforming; carbon deposition; NI-BASED CATALYST; BIMETALLIC CATALYSTS; CARBON-DIOXIDE; NI-CAO-ZRO2; CATALYSTS; HYDROGEN-PRODUCTION; METHANE; NICKEL; PERFORMANCE; CH4; COPRECIPITATION;
D O I：
10.1002/cjoc.201600609
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present work is aimed to improve the performance of Ni-based catalysts for biogas dry reforming by adding a second non-noble metal (Fe, Co, Cu) into a previously studied mesoporous Ni-CaO-ZrO2 nanocomposite. Biogas was simulated with equivalent methane and carbon dioxide for the dry reforming reaction. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), N-2 adsorption, temperature-programmed reduction (TPR), thermogravimetric analysis (TGA), and transmission electron microscopy (TEM) measurements were taken to characterize the structural and textual properties of the bimetallic catalysts as well as the accumulated carbon deposition. The addition of Fe leads to a less ordering growth of mesopores of Fe-Ni-CaO-ZrO2 sample, and the existence of Cu results in a relatively larger portion of free NiO in Cu-Ni-CaO-ZrO2. Compared with Fe and Cu, the presence of Co could efficiently form a beneficial dual metal effect and enhance the strong metal support interaction between Ni and CaO-ZrO2, thus enhancing the activity and stability of the catalyst in biogas dry reforming reaction.
引用
收藏
页码：113 / 120
页数：8
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