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Enhancement of methanation of bio-syngas over CeO2-modified Ni/Al2O3 catalysts
Ding, Mingyue1; Tu, Junling1,2; Zhang, Qian1,2; Wang, Minlong3; Tsubaki, Noritatsu4; Wang, Tiejun1; Ma, Longlong1
2016-02-01
Source PublicationBIOMASS & BIOENERGY
Volume85Pages:12-17
AbstractCeO2 modified Ni/Al2O3 catalysts were developed for synthetic natural gas (SNG) from bio-syngas methanation. Physiochemical properties of the CeO2 modified Ni/Al2O3 catalysts were characterized by N-2 physical adsorption (BET), scanning electron microscopy (SEM), temperature-programmed reduction of hydrogen (H-2-TPR), X-ray diffraction (XRD) and thermo gravimetric analyzer (TGA). The bio-syngas methanation tests showed that adding 60 wt.% of CeO2 in the Ni/CeO(2)eAl(2)O(3) catalyst presented excellent bio-syngas methanation performances (91.6% carbon oxides conversion with 92% CH4 selectivity) at low temperature (350 degrees C). The characterization results indicated that adding of CeO2 into Ni/Al2O3 strengthened the NiO-CeO2 interaction via the weakening of the interaction between Ni species and Al2O3, facilitating the separation of NiO from NiAl2O4. The optimal CeO2 content of 60 wt.% was obtained to disperse well Ni species and increase active metallic Ni sites, promoting the catalytic performances for bio-syngas methanation to SNG. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordSynthetic Natural Gas Bio-syngas Methanation Al2o3-ceo2 Ceo2 Modification
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biombioe.2015.11.025
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordSYNTHETIC NATURAL-GAS ; SUPPORTED NI CATALYSTS ; CO METHANATION ; STEAM GASIFICATION ; BIOMASS ; PERFORMANCE ; CEO2 ; HYDROGENATION ; SNG
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000368435800002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10956
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
4.Toyama Univ, Sch Engn, Dept Appl Chem, Toyama 9308555, Japan
Recommended Citation
GB/T 7714
Ding, Mingyue,Tu, Junling,Zhang, Qian,et al. Enhancement of methanation of bio-syngas over CeO2-modified Ni/Al2O3 catalysts[J]. BIOMASS & BIOENERGY,2016,85:12-17.
APA Ding, Mingyue.,Tu, Junling.,Zhang, Qian.,Wang, Minlong.,Tsubaki, Noritatsu.,...&Ma, Longlong.(2016).Enhancement of methanation of bio-syngas over CeO2-modified Ni/Al2O3 catalysts.BIOMASS & BIOENERGY,85,12-17.
MLA Ding, Mingyue,et al."Enhancement of methanation of bio-syngas over CeO2-modified Ni/Al2O3 catalysts".BIOMASS & BIOENERGY 85(2016):12-17.
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