Facile Synthesis of Mesoporous Co3O4 Nanoflowers for Catalytic Combustion of Ventilation Air Methane

被引:3
|
作者
Liu Shankui [1 ]
Liu Pengcheng [1 ]
Niu Ruyue [1 ]
Wang Shuangi [1 ,2 ]
Li Jinping [1 ]
机构
[1] Taiyuan Univ Technol, Res Inst Special Chem, Taiyuan 030024, Shanxi, Peoples R China
[2] Taiyuan Univ Technol, Coll Environm Sci & Engn, Jinzhong 030600, Peoples R China
基金
中国国家自然科学基金;
关键词
Co3O4; Nanoflower; Catalytic combustion; Ventilation air methane; MIXED-OXIDE CATALYSTS; TOTAL OXIDATION; CO OXIDATION; CONTROLLABLE SYNTHESIS; LOW-TEMPERATURES; LDH PRECURSORS; CH4; OXIDATION; PERFORMANCE; MORPHOLOGY; CO3O4/GAMMA-AL2O3;
D O I
10.1007/s40242-017-7047-4
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Flower-like Co3O4 hierarchical microspheres composed of self-assembled porous nanoplates were prepared by employing Pluronic F127 block-copolymer as template. The samples were characterized by powder X-ray diffraction(PXRD), scanning/transmission electron microscopy(SEM/TEM), and nitrogen adsorption-desorption at 77 K. The results show that the catalytic activity of Co3O4 nanoflowers for the combustion of ventilation air methane is higher than that of commercial Co3O4. The superior catalytic performance of this material can be related to its dominantly exposed {112} crystal planes and higher content of surface Co3+.
引用
收藏
页码:965 / 970
页数:6
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