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Reactivity and kinetics for steam gasification of petroleum coke blended with black liquor in a micro fluidized bed
Zhang, Yuming1,2; Yao, Meiqin2; Gao, Shiqiu2; Sun, Guogang1; Xu, Guangwen2
2015-12-15
Source PublicationAPPLIED ENERGY
ISSN0306-2619
Volume160Issue:DECPages:820-828
AbstractSteam gasification of petroleum coke catalyzed by black liquor (BL) was conducted in a micro fluidized bed to investigate the reaction characteristics and kinetics, including the effects of temperature, particle size, BL loading amount and oxygen content in steam on product gas composition and reaction rate. The completion time of petroleum coke steam gasification at 900 degrees C decreased from 120 min for pure coke to about 40 min for the coke blended with 10 wt.% BL The corresponding hydrogen fraction in the produced syngas increased by 9 vol.%. The gasification reaction was further enhanced by introducing a small amount of oxygen into the steam. The shrinking core model (SCM) and homogenous model (HM) were used to calculate the kinetics of petroleum coke gasification, finding that SCM enabled the better correlation with experimental data than HM did. Using SCM the activation energy was 77 kJ.mol(-1) for coke gasification with 10 wt.% BL as catalyst, which was much lower than 120 kJ.mol(-1) for the case without BL blended. The activation energy was further reduced to about 63 kJ-mol(-1) by adding 5% oxygen into the steam, showing a synergistic effects of BL and O-2 on petroleum coke gasification. The study also justified the feasibility of syngas production from petroleum coke via fluidized bed gasification. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordPetroleum Coke Black Liquor Catalytic Gasification Syngas Kinetics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2015.01.009
Indexed BySCI
Language英语
WOS KeywordCO2 GASIFICATION ; COAL CHAR ; PYROLYSIS ; HYDROGEN ; BIOMASS ; ALKALI ; CARBON ; MODEL
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Instrumentation Grant Program(2011YQ120039) ; National Nature Science Foundation of China(21406264) ; National Basic Research Program of China(2012CB224801) ; Science Foundation of China University of Petroleum, Beijing(2462013YJRC021)
WOS IDWOS:000364890700079
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19841
Collection多相复杂系统国家重点实验室
Affiliation1.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yuming,Yao, Meiqin,Gao, Shiqiu,et al. Reactivity and kinetics for steam gasification of petroleum coke blended with black liquor in a micro fluidized bed[J]. APPLIED ENERGY,2015,160(DEC):820-828.
APA Zhang, Yuming,Yao, Meiqin,Gao, Shiqiu,Sun, Guogang,&Xu, Guangwen.(2015).Reactivity and kinetics for steam gasification of petroleum coke blended with black liquor in a micro fluidized bed.APPLIED ENERGY,160(DEC),820-828.
MLA Zhang, Yuming,et al."Reactivity and kinetics for steam gasification of petroleum coke blended with black liquor in a micro fluidized bed".APPLIED ENERGY 160.DEC(2015):820-828.
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