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An integrated biomass-derived syngas/dimethyl ether process
Wang, Tiejun; Chang, Jie; Fu, Yan; Zhang, Qi; Li, Yuping
2007
Source PublicationKOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume24Issue:1Pages:181-185
AbstractA Cu-Zn-Al methanol catalyst combined with HZSM-5 was used for dimethyl ether (DME) synthesis from a biomass-derived syngas containing nitrogen. The syngas was produced by air-steam gasification of pine sawdust in a bubbling fluidized bed biomass, gasifier with a dry reforming reaction over ultra-stable NiO-MgO catalyst packed in a downstream reactor for stoichiometric factor (H(2), CO, CO(2)) adjustment. It constantly gave syngas with H(2)/CO ratio of 1.5 and containing trace CH(4) and CO(2) during a period of 150 h. The obtained N(2)-containing biomass-derived syngas was used directly for DME synthesis. About 75% CO per-pass conversion and 66.7% DME selectivity could be achieved under the condition of 533 K, 4 MPa and 1,000-4,000 h(-1). The maximized DME yield, 244 g DMIE/Kg(biomass) (dry basis), was achieved under a gasification temperature of 1,073 K, ER (Equivalence Ratio) of 0.24, S/B (Steam to Biomass Ratio) of 0.72 and reforming temperature of 1,023 K with the addition of 0.54 Nm(3) biogas/Kg(biomass) (dry basis).
SubtypeArticle
KeywordBiomass Syngas Dimethyl Ether
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordDIMETHYL ETHER ; FLUIDIZED-BED ; SYNTHESIS GAS ; GASIFICATION ; CATALYSTS ; CONVERSION ; HYDROGEN
Indexed BySCI ; ISTP
Language英语
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000244193400029
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10274
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Biomass Res Ctr, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Wang, Tiejun,Chang, Jie,Fu, Yan,et al. An integrated biomass-derived syngas/dimethyl ether process[J]. KOREAN JOURNAL OF CHEMICAL ENGINEERING,2007,24(1):181-185.
APA Wang, Tiejun,Chang, Jie,Fu, Yan,Zhang, Qi,&Li, Yuping.(2007).An integrated biomass-derived syngas/dimethyl ether process.KOREAN JOURNAL OF CHEMICAL ENGINEERING,24(1),181-185.
MLA Wang, Tiejun,et al."An integrated biomass-derived syngas/dimethyl ether process".KOREAN JOURNAL OF CHEMICAL ENGINEERING 24.1(2007):181-185.
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