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Production of Middle Caloric Fuel Gas from Coal by Dual-Bed Gasification Technology
Alternative TitleEnergy Fuels
Wang, Yin1; Dong, Wen1,2; Dong, Li1; Yue, Junrong1; Gao, Shiqiu1; Suda, Toshiyuki3; Xu, Guangwen1
2010-05-01
Source PublicationENERGY & FUELS
ISSN0887-0624
Volume24Issue:5Pages:2985-2990
AbstractA coal gasification technology for producing middle caloric fuel gas using granular coal is urgently required in China considering the huge energy demand required for project development. This work demonstrated the dual-bed gasification technology on a pilot plant (1000 tons of coal/a) mainly consisting of a fluidized-bed gasifier and a pneumatic combustor using the coal with a particle size of less than 20 mm. Simulation was performed with Aspen Plus to investigate the feasibility of producing a middle caloric fuel gas. It was found that, with a bituminite powdered coal as fuel and air as the gasifying reagent, the pilot plant could operate steadily within a given duration of 16 h. At a gasifier temperature of 900 degrees C and combustor temperature of 980 degrees C, a fuel gas with 1680 kcal N(-1) m(-3) of high heating value (HHV) was produced at an equivalence ratio (ER) of 0.089 (defined as the ratio of the oxygen mole in air supplied in the gasifier to the oxygen mole needed for burning the fed coal completely). The heating value of fuel gas could be enhanced by introducing steam as a supplementary reagent to the gasifier while reducing the air required. Gasification simulation of 10 tons of coal/h indicated that a fuel gas with above 2000 kcal N(-1) m(-3) of HHV could be obtained with an ER of less than 0.10 and a steam/coal ratio larger than 0.48. The study suggested that dual-bed gasification technology could be employed for producing a middle caloric fuel gas using granular coal with a size of less than 20 mm.; A coal gasification technology for producing middle caloric fuel gas using granular coal is urgently required in China considering the huge energy demand required for project development. This work demonstrated the dual-bed gasification technology on a pilot plant (1000 tons of coal/a) mainly consisting of a fluidized-bed gasifier and a pneumatic combustor using the coal with a particle size of less than 20 mm. Simulation was performed with Aspen Plus to investigate the feasibility of producing a middle caloric fuel gas. It was found that, with a bituminite powdered coal as fuel and air as the gasifying reagent, the pilot plant could operate steadily within a given duration of 16 h. At a gasifier temperature of 900 degrees C and combustor temperature of 980 degrees C, a fuel gas with 1680 kcal N(-1) m(-3) of high heating value (HHV) was produced at an equivalence ratio (ER) of 0.089 (defined as the ratio of the oxygen mole in air supplied in the gasifier to the oxygen mole needed for burning the fed coal completely). The heating value of fuel gas could be enhanced by introducing steam as a supplementary reagent to the gasifier while reducing the air required. Gasification simulation of 10 tons of coal/h indicated that a fuel gas with above 2000 kcal N(-1) m(-3) of HHV could be obtained with an ER of less than 0.10 and a steam/coal ratio larger than 0.48. The study suggested that dual-bed gasification technology could be employed for producing a middle caloric fuel gas using granular coal with a size of less than 20 mm.
KeywordFluidized-bed Biomass Gasification System Gasifier
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ef9015697
URL查看原文
Indexed BySCI
Language英语
WOS KeywordFLUIDIZED-BED ; BIOMASS GASIFICATION ; SYSTEM ; GASIFIER
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000278851000025
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6459
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Shenyang Inst Chem Technol, Sch Chem Engn, Shenyang 110142, Peoples R China
3.IHI Corp, Res Lab, Yokohama, Kanagawa 2358501, Japan
Recommended Citation
GB/T 7714
Wang, Yin,Dong, Wen,Dong, Li,et al. Production of Middle Caloric Fuel Gas from Coal by Dual-Bed Gasification Technology[J]. ENERGY & FUELS,2010,24(5):2985-2990.
APA Wang, Yin.,Dong, Wen.,Dong, Li.,Yue, Junrong.,Gao, Shiqiu.,...&Xu, Guangwen.(2010).Production of Middle Caloric Fuel Gas from Coal by Dual-Bed Gasification Technology.ENERGY & FUELS,24(5),2985-2990.
MLA Wang, Yin,et al."Production of Middle Caloric Fuel Gas from Coal by Dual-Bed Gasification Technology".ENERGY & FUELS 24.5(2010):2985-2990.
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