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Pyrolysis in indirectly heated fixed bed with internals: The first application to oil shale
Lin, Lanxin1,2; Zhang, Chun1,2; Li, Hongjuan1; Lai, Dengguo1,2; Xu, Guangwen1
2015-10-01
Source PublicationFUEL PROCESSING TECHNOLOGY
ISSN0378-3820
Volume138Issue:OCTPages:147-155
Abstract

The indirectly heated fixed bed reactor with particularly designed internals has been devised to achieve advanced pyrolysis performance for coal (Energy & Fuels, 28,2014: 236-244). This study extends the application of the reactor to oil shale and thereby solves the problems of low shale oil yield and low heating efficiency to shale particles in conventional fixed beds. The yield and quality of the produced shale oil and the rate heating the oil shale particles were compared for laboratory fixed beds without and with the particularly designed internals. It was shown that the use of internals doubled the efficiency of heating the oil shale inside the reactor from the heated reactor wall. Raising the heating temperature from 600 degrees C to 1000 degrees C increased the shale oil yield from 9.50% to 10.60% in the bed with internals, and reached 84.9% of the oil yield of Fischer assay (12.49 wt.% in dry base). Furthermore, the shale oil maintained its relatively stable aliphatic hydrocarbon content. In the bed without any internals such a temperature rise sharply decreased the shale oil yield from 9.53% to 4.60%. Consequently, the fixed bed with internals would be an advanced reactor also for oil shale pyrolysis, which allows high process efficiency, high oil yield and high oil quality. (C) 2015 Elsevier B.V. All rights reserved.

KeywordPyrolysis Oil Shale Internals Fixed Bed Secondary Reaction Intensification
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fuproc.2015.05.023
Indexed BySCI
Language英语
WOS KeywordTHERMOGRAVIMETRIC ANALYSIS ; PORE STRUCTURE ; PRODUCTS ; YIELD ; TEMPERATURE ; GENERATION ; CRACKING ; KINETICS ; QUALITY
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS SubjectChemistry, Applied ; Energy & Fuels ; Engineering, Chemical
WOS IDWOS:000362920200018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19643
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lin, Lanxin,Zhang, Chun,Li, Hongjuan,et al. Pyrolysis in indirectly heated fixed bed with internals: The first application to oil shale[J]. FUEL PROCESSING TECHNOLOGY,2015,138(OCT):147-155.
APA Lin, Lanxin,Zhang, Chun,Li, Hongjuan,Lai, Dengguo,&Xu, Guangwen.(2015).Pyrolysis in indirectly heated fixed bed with internals: The first application to oil shale.FUEL PROCESSING TECHNOLOGY,138(OCT),147-155.
MLA Lin, Lanxin,et al."Pyrolysis in indirectly heated fixed bed with internals: The first application to oil shale".FUEL PROCESSING TECHNOLOGY 138.OCT(2015):147-155.
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