Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
A sol-gel auto-combustion method to prepare Cu/ZnO catalysts for low-temperature methanol synthesis | |
Shi, Lei1,2; Zeng, Chunyang1; Jin, Yuzhou1; Wang, Tiejun3; Tsubaki, Noritatsu1 | |
2012 | |
Source Publication | CATALYSIS SCIENCE & TECHNOLOGY |
Volume | 2Issue:12Pages:2569-2577 |
Abstract | Metallic Cu/ZnO catalysts were prepared by a sol-gel auto-combustion method using metal nitrates and citric acid. The activity of the burnt catalysts was investigated for low-temperature methanol synthesis from CO2-containing syngas using ethanol as solvent and a promoter. The activity and the methanol selectivity of the burnt Cu/ZnO catalysts were closely related to metallic Cu-0 surface areas and Cu crystalline sizes, and were greatly influenced by the reaction temperature. The effects of M/CA mole ratios on the properties of the burnt catalysts and catalytic activity were systematically studied by Thermogravimetry, Differential Thermal Analysis, Fourier Transform-Infrared, Raman spectrum, X-Ray Diffraction, Scanning Electron Microscope-Energy Dispersive Spectroscopy, Temperature-Programmed Reduction, Brunauer-Emmett-Teller, and N2O chemisorption techniques. The fierceness degree and the temperature of the whole catalyst preparation process were closely related to the balance between the combustion and the pyrolysis processes respectively. Upon continually increasing the citric acid content in the initial precursors, the combustion process became much milder, but excess citric acid in the chelated compound could lead to more violent amorphous carbon oxidation and much more severe pyrolysis of organic residues. |
Subtype | Article |
WOS Headings | Science & Technology ; Physical Sciences |
DOI | 10.1039/c2cy20423a |
WOS Subject Extended | Chemistry |
WOS Keyword | SITU FT-IR ; CITRIC-ACID ; PROGRAMMED DESORPTION ; CARBON-DIOXIDE ; MOLAR RATIO ; FUEL-CELL ; PART I ; HYDROGEN ; POWDERS ; ETHANOL |
Indexed By | SCI |
Language | 英语 |
WOS Subject | Chemistry, Physical |
WOS ID | WOS:000310950000025 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.giec.ac.cn/handle/344007/10191 |
Collection | 中国科学院广州能源研究所 |
Affiliation | 1.Toyama Univ, Dept Appl Chem, Sch Engn, Toyama 9308555, Japan 2.Shenyang Univ Chem Technol, Dept Appl Chem, Shenyang 110142, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China |
Recommended Citation GB/T 7714 | Shi, Lei,Zeng, Chunyang,Jin, Yuzhou,et al. A sol-gel auto-combustion method to prepare Cu/ZnO catalysts for low-temperature methanol synthesis[J]. CATALYSIS SCIENCE & TECHNOLOGY,2012,2(12):2569-2577. |
APA | Shi, Lei,Zeng, Chunyang,Jin, Yuzhou,Wang, Tiejun,&Tsubaki, Noritatsu.(2012).A sol-gel auto-combustion method to prepare Cu/ZnO catalysts for low-temperature methanol synthesis.CATALYSIS SCIENCE & TECHNOLOGY,2(12),2569-2577. |
MLA | Shi, Lei,et al."A sol-gel auto-combustion method to prepare Cu/ZnO catalysts for low-temperature methanol synthesis".CATALYSIS SCIENCE & TECHNOLOGY 2.12(2012):2569-2577. |
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