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题名: Preparation of hydrogen via catalytic gasification of residues from biomass hydrolysis with a novel high strength catalyst
作者: Li, Wen-zhi1;  Yan, Yong-jie1;  Li, Ting-chen1;  Ren, Zheng-wei1;  Huang, Miao1;  Wang, Jun2;  Chen, Ming-qiang2;  Tan, Zhi-cheng3
通讯作者: 谭志诚
刊名: ENERGY & FUELS
发表日期: 2008-03-01
DOI: 10.1021/ef700375s
卷: 22, 期:2, 页:1233-1238
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 3;8
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: Producing fuel alcohol via hydrolysis of lignocellulosic biomass leaves a considerable amount of residues waiting for treatment. A study was carried out on the preparation of hydrogen via catalytic gasification of residues from biomass hydrolysis with a novel Ni/modified dolomite binary catalyst, which was prepared by a two-step coprecipitation method and proved available for hydrogen production in terms of both activity and strength. The effects of four operation parameters, that is, the fluidized bed temperature, the catalytic fixed bed temperature, the particle size of the catalyst, and S/B (i.e., the mass ratio of steam to biomass material fed into the fluidized bed per unit time), on hydrogen yield were investigated. The results indicate that hydrogen yield increases with an increase in the temperature of either the fluidized bed or the downstream catalytic fixed bed or the S/B ratio or a reduction in the particle size of the catalyst. The optimum range for each of the four operation parameters from a comprehensive consideration is as follows: 800-850 degrees C for both the fluidized bed temperature and the catalytic fixed bed temperature, 1.5-2 for the S/B ratio, and 2.0-3.0 mm for the particle size of the catalyst. Furthermore, the gas product from catalytic gasification of residues from biomass hydrolysis contains less CO and CO2 and has a higher H-2/CO ratio compared with that of the sawdust. The hydrogen yield of the former is also much higher than that of the latter. These suggest that residues from biomass hydrolysis are an even better gasification material than the original sawdust. This paper provides A novel effective method for modifying the calcined dolomite, which endows the catalyst with satisfactory strength while retaining high activity, and opens a new promising way for utilizing the residues from biomass hydrolysis.
关键词[WOS]: FLUIDIZED-BED ;  STEAM GASIFICATION ;  DOLOMITE ;  ETHANOL ;  OLIVINE ;  GAS ;  TAR ;  PERFORMANCE ;  DOWNSTREAM ;  SORBENT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000254188900073
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100389
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.E China Univ Sci & Technol, Dept Chem Engn Energy Resourses, Shanghai 200237, Peoples R China
2.Anhui Univ Sci & Technol, Dept Chem Engn, Huainan 232001, Anhui, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Li, Wen-zhi,Yan, Yong-jie,Li, Ting-chen,et al. Preparation of hydrogen via catalytic gasification of residues from biomass hydrolysis with a novel high strength catalyst[J]. ENERGY & FUELS,2008,22(2):1233-1238.
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