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Methane thermocatalytic decomposition to COx-free hydrogen and carbon nanomaterials over Ni-Mn-Ru/Al2O3 catalysts

文献类型：期刊论文

作者Wang, Di3; Li, Wenli3; Liu, Jiao3; Gao, Zhaoshun1,2; Xu, Guangwen3; Cui, Yanbin2,3
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
出版日期2020-11-06
卷号45期号:55页码:30431-30442
关键词Methane Thermocatalytic decomposition Hydrogen Ru precursor Carbon nanomaterial
ISSN号0360-3199
DOI10.1016/j.ijhydene.2020.08.039
英文摘要Thermocatalytic decomposition of methane is proposed to be an economical and green method to produce COx-free hydrogen and carbon nanomaterials. In this work, the catalytic performance of Ni-Mn-Ru/Al2O3 catalyst under different reaction parameters (such as, pre-reduction temperature, reaction temperature, space velocity, etc.) were investigated to obtain optimum reaction conditions. The catalysts were characterized by N-2 adsorption/desorption, X-ray diffraction, inductively coupled plasma optical emission spectrometer and hydrogen temperature programmed reduction. For the 60 wt% Ni-5 wt% Mn-10 wt% Ru/Al2O3 catalyst using Ru(NO)(NO3)(x)(OH),(x + y = 3) as Ru precursor, the methane conversion rate obtained is high as 93.76% under optimum reaction conditions (reduction at 700 degrees C for 1 h, reaction at 750 degrees C, GSHV = 36,000 mL/g(cat) h). Carbon nano-materials formed during the process of methane thermocatalytic decomposition were characterized by scanning electron microscopy, thermal gravimetric analyzer and Raman spectroscopy. Carbon nanofibers were formed over all the Ni-Mn-Ru/Al2O3 catalysts. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
WOS关键词NATURAL-GAS DECOMPOSITION ; RAMAN-SCATTERING ; NI-MG ; NANOTUBES ; RU ; ACTIVATION ; TEMPERATURE ; NANOFIBERS ; 1ST-ORDER ; FE
资助项目Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2019-A03] ; Institute of Process Engineering ; DNL Cooperation Fund, Chinese Academy of Sciences, China[DNL180304] ; National Key Research and Development Projects (Intergovernmental International Cooperation in Science and Technology Innovation Program), China[2018YFE0103400]
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels
语种英语
WOS记录号WOS:000582322100040
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Fund of State Key Laboratory of Multiphase Complex Systems ; Institute of Process Engineering ; DNL Cooperation Fund, Chinese Academy of Sciences, China ; National Key Research and Development Projects (Intergovernmental International Cooperation in Science and Technology Innovation Program), China
源URL[http://ir.ipe.ac.cn/handle/122111/42759]  
专题中国科学院过程工程研究所
通讯作者Cui, Yanbin
作者单位1.Chinese Acad Sci, Interdisciplinary Res Ctr, Inst Elect Engn, Beijing 100190, Peoples R China
2.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Di,Li, Wenli,Liu, Jiao,et al. Methane thermocatalytic decomposition to COx-free hydrogen and carbon nanomaterials over Ni-Mn-Ru/Al2O3 catalysts[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2020,45(55):30431-30442.
APA Wang, Di,Li, Wenli,Liu, Jiao,Gao, Zhaoshun,Xu, Guangwen,&Cui, Yanbin.(2020).Methane thermocatalytic decomposition to COx-free hydrogen and carbon nanomaterials over Ni-Mn-Ru/Al2O3 catalysts.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,45(55),30431-30442.
MLA Wang, Di,et al."Methane thermocatalytic decomposition to COx-free hydrogen and carbon nanomaterials over Ni-Mn-Ru/Al2O3 catalysts".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 45.55(2020):30431-30442.

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来源：过程工程研究所

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