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Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts
Alternative TitleSynthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts
Liu Jiao1; Zheng Chuanyue2; Yue Junrong1; Xu Guangwen1
2019
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume27Issue:12Pages:2953-2959
AbstractKaolin as a raw material for mesoporous support was firstly modified by calcination, add treatment, and then was used to prepare nickel catalysts. The amount of alumina which was activated in kaolin during thermal treatment and then leached out in the acid was different. XRD pattern of the kaolin calcined at 600 degrees C or 900 degrees C exhibited only the diffraction peaks for amorphous silica and quartz while that calcined at 1100 degrees C showed obvious peaks for gamma-Al2O3. Therefore, the nickel-based catalysts exhibited different physic-chemical properties. Atmospheric syngas methanation over the catalysts clarified an activity order of CA-1100 > CA-900 > CA-1400 > CA600 > KA approximate to 0 at temperatures of 350-650 degrees C and a space velocity of 120 L.g(-1). h(-1). Metallic nickel with small diameter which has medium interaction with the modified kaolin and is well dispersed on the support would have reasonably good activity and carbon-resistance for syngas methanation. (C) 2019 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
KeywordMESOPOROUS SILICA NICKEL-CATALYSTS CO METHANATION NI-MG/AL2O3 CATALYST SYNGAS METHANATION CARBON-MONOXIDE NATURAL KAOLIN SELECTIVITY KINETICS NI/AL2O3 Methanation Kaolin Catalyst Catalyst support Leaching
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [National High Technology Research and Development Program of China]
CSCD IDCSCD:6669073
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/145900
Collection中国科学院金属研究所
Affiliation1.中国科学院
2.China University Min & Technol, Xuzhou 221116, Jiangsu, Peoples R China
3.中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu Jiao,Zheng Chuanyue,Yue Junrong,et al. Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2019,27(12):2953-2959.
APA Liu Jiao,Zheng Chuanyue,Yue Junrong,&Xu Guangwen.(2019).Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts.CHINESE JOURNAL OF CHEMICAL ENGINEERING,27(12),2953-2959.
MLA Liu Jiao,et al."Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts".CHINESE JOURNAL OF CHEMICAL ENGINEERING 27.12(2019):2953-2959.
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