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Catalytic Hydrotreatment of Fatty Acid Methyl Esters to Diesel-like Alkanes Over H beta Zeolite-supported Nickel Catalysts
Chen, Liangguang1,2; Fu, Junying1,2; Yang, Lingmei1; Chen, Zibo3; Yuan, Zhenhong1; Lv, Pengmei1
2014-12-01
Source PublicationCHEMCATCHEM
Volume6Issue:12Pages:3482-3492
AbstractA Ni/H beta zeolite catalyst was prepared for the selective transformation of fatty acid methyl esters (FAMEs) into diesel-like alkanes through hydrotreatment. Characterization of the physicochemical properties of a 10 wt% nickel-loaded, H beta zeolite support indicated that nickel(II) oxide aggregated into large particles approximately 23.9 nm in size, whereas nickel aggregated into particles 18.3 nm in size, significantly increasing the total acid sites of H beta zeolite after hydrogen reduction. The reaction scheme of the whole FAME transformation was investigated by using a batch reactor. It was found that FAMEs were first hydrogenated mainly to saturated fatty acids, followed by hydrodeoxygenation without carbon loss, the main route toward alkanes. The hydrotreatment of FAMEs by decarboxylation or decarbonylation was favored at high temperatures and low hydrogen pressures on H beta zeolite with higher nickel loadings. The metallic and acidic functionalities of nickel/H beta zeolite catalysts exhibited a synergistic effect in hydrodeoxygenation without carbon loss, achieving high FAME conversion and yields of liquid C-16 and C-18 alkanes. Optimal catalytic performances were obtained with 10 wt% nickel loading over Hb zeolite (Si/Al=25) at 270 degrees C with a pressure of 1.0 MPa H-2 over 8 h. A maximum alkane product yield of 93.2% was achieved for C-15-C-18 alkanes with complete FAME conversion. 80.3% FAME conversion could was achieved after eight reaction cycles by using the nickel/Hb zeolite catalyst with calcination after every use.
SubtypeArticle
KeywordAlkanes Fatty Acid Methyl Esters Hydrotreatment Zeolites Nickel
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/cctc.201402646
WOS Subject ExtendedChemistry
WOS KeywordVEGETABLE-OILS ; PALM OIL ; HYDRODEOXYGENATION ; BIODIESEL ; FUELS ; DEOXYGENATION ; CONVERSION ; HYDROCRACKING ; HEPTANOATE ; CELLULOSE
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical
WOS IDWOS:000345975300028
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10671
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Liangguang,Fu, Junying,Yang, Lingmei,et al. Catalytic Hydrotreatment of Fatty Acid Methyl Esters to Diesel-like Alkanes Over H beta Zeolite-supported Nickel Catalysts[J]. CHEMCATCHEM,2014,6(12):3482-3492.
APA Chen, Liangguang,Fu, Junying,Yang, Lingmei,Chen, Zibo,Yuan, Zhenhong,&Lv, Pengmei.(2014).Catalytic Hydrotreatment of Fatty Acid Methyl Esters to Diesel-like Alkanes Over H beta Zeolite-supported Nickel Catalysts.CHEMCATCHEM,6(12),3482-3492.
MLA Chen, Liangguang,et al."Catalytic Hydrotreatment of Fatty Acid Methyl Esters to Diesel-like Alkanes Over H beta Zeolite-supported Nickel Catalysts".CHEMCATCHEM 6.12(2014):3482-3492.
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