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Effect of crystal size of ZSM-5 on the aromatic yield and selectivity from catalytic fast pyrolysis of biomass
Zheng, Anqing; Zhao, Zengli; Chang, Sheng; Huang, Zhen; Wu, Hongxiang; Wang, Xiaobo; He, Fang; Li, Haibin
2014-03-01
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume383Pages:23-30
AbstractTo determine the effect of crystal sizes of ZSM-5 and feedstock species on aromatic yield and selectivity from catalytic fast pyrolysis of biomass, catalytic fast pyrolysis (CFP) of different feedstock species (cellulose, hemicellulose, lignin, pine, corncob and straw) over ZSM-5 with varying crystal size (2 mu m, 200 nm and 50 nm) was conducted in a Pyroprobe pyrolyzer (5200, CDS Analytical). The experimental results show that ZSM-5 with crystal size of 200 nm exhibited the maximum aromatic yield and minimum BTX selectivity. The results could be attributed to its highest micropore surface area, amount of weak acid and maximum Bronsted to Lewis acid sites ratio (B/L ratio). Cellulose, hemicellulose and lignin play very different roles in catalytic fast pyrolysis of biomass. Cellulose exhibited the maximum aromatic yield of 38.4% and minimum non-condensable gas yield of 18.4%. Lignin showed the highest coke yield of 68.6% and lowest aromatic yield of 10.2%. And hemicellulose displayed the lowest coke yield of 29.4% and highest yield of non-condensable gas of 39.1%. (C) 2013 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordCatalytic Fast Pyrolysis Crystal Size Feedstock Species Aromatic Production
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.molcata.2013.11.005
WOS Subject ExtendedChemistry
WOS KeywordTRANSPORTATION FUELS ; PRODUCT DISTRIBUTION ; FLUIDIZED-BED ; CELLULOSE ; HEMICELLULOSE ; CONVERSION ; TORREFACTION ; FEEDSTOCKS ; ETHYLENE ; OLEFINS
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical
WOS IDWOS:000333002000004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10750
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Anqing,Zhao, Zengli,Chang, Sheng,et al. Effect of crystal size of ZSM-5 on the aromatic yield and selectivity from catalytic fast pyrolysis of biomass[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2014,383:23-30.
APA Zheng, Anqing.,Zhao, Zengli.,Chang, Sheng.,Huang, Zhen.,Wu, Hongxiang.,...&Li, Haibin.(2014).Effect of crystal size of ZSM-5 on the aromatic yield and selectivity from catalytic fast pyrolysis of biomass.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,383,23-30.
MLA Zheng, Anqing,et al."Effect of crystal size of ZSM-5 on the aromatic yield and selectivity from catalytic fast pyrolysis of biomass".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 383(2014):23-30.
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