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Oil shale pyrolysis in indirectly heated fixed bed with metallic plates of heating enhancement
Lin, Lanxin1,2; Lai, Dengguo1,2; Guo, Erwei1,3; Zhang, Chun1,2; Xu, Guangwen1
2016
Source PublicationFUEL
ISSN0016-2361
Volume163Issue:JANPages:48-55
AbstractThis study is devoted to improving the heating to oil shale particles and in turn the yield and quality of shale oil in fixed bed reactors indirectly heated through use of internals. Metallic heating plates were vertically welded on the reactor wall as heating enhancement internals to provide extra heating surfaces inside the oil shale bed and to increase the high-temperature heating surface area by 35% to 210%. Comparison of heating rate to particles and shale oil yield was made between the reactors without and with the plate internals. Utilizing internals evidently enhanced the heating to oil shale particles and shortened pyrolysis time by 30% to 50%. The shale oil yield increased by 7% to reach 90% of the Fischer Assay oil yield (8.98 wt.%, dry base) when the heating surface area was increased by 70-110%. With increased heating surface area above 110%, the shale oil yield manifested conversely a slight decrease. Nonetheless, the fraction of light oil (boiling point <350 degrees C by analysis in simulation GC) was increased to about 66 wt.% from 60.94 wt.% for the reactor without any heating plate. Characterizing the char samples at different lateral positions of the oil shale bed justified that the flow of gaseous pyrolysis product in the reactor was guided to the vicinity of heat transfer plates to speed up gas exhaust and selective cracking. Consequently, adding heat transfer plates into an indirectly heated reactor would obviously intensify the heating to the oil shale bed and also elevate the pyrolysis oil yield and quality. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordOil Shale Pyrolysis Internals Heating Enhancement Process Intensification
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2015.09.024
Indexed BySCI
Language英语
WOS KeywordCOAL PYROLYSIS ; GAS EVOLUTION ; TEMPERATURE ; PRODUCTS ; YIELD ; DEMINERALIZATION ; DECOMPOSITION ; INTERNALS ; KINETICS ; PLANT
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Basic Research Program of China(2014CB744303) ; Strategic Priority Research Program of Chinese Academy of Sciences(XDA07010100) ; Major Program of National Natural Science Foundation of China(U1302273)
WOS IDWOS:000363475000007
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19736
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China Univ Min & Technol, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Lin, Lanxin,Lai, Dengguo,Guo, Erwei,et al. Oil shale pyrolysis in indirectly heated fixed bed with metallic plates of heating enhancement[J]. FUEL,2016,163(JAN):48-55.
APA Lin, Lanxin,Lai, Dengguo,Guo, Erwei,Zhang, Chun,&Xu, Guangwen.(2016).Oil shale pyrolysis in indirectly heated fixed bed with metallic plates of heating enhancement.FUEL,163(JAN),48-55.
MLA Lin, Lanxin,et al."Oil shale pyrolysis in indirectly heated fixed bed with metallic plates of heating enhancement".FUEL 163.JAN(2016):48-55.
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