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Oil shale pyrolysis in a moving bed with internals enhanced by rapid preheating in a heated drop tube
Chen, Zhaohui1,4; Tian, Yong1; Lai, Dengguo2; Zhan, Jin-hui1; Han, Zhennan3; Xu, Guangwen1,3; Gao, Shiqiu1
2020-11-15
Source PublicationENERGY CONVERSION AND MANAGEMENT
ISSN0196-8904
Volume224Pages:10
AbstractThe enhanced oil shale pyrolysis in a moving bed with internals (MBI) by rapid preheating in a drop tube was developed to improve the quality of shale oil through reaction regulation in stages. Initially rapid preheating of oil shale in the upper drop tube endowed the generation of massive free radical fragments and volatile precursors, which would simultaneously restrict the remarkable release of volatiles from particles to minimize the gas-phase secondary reactions. The preheated oil shale subsequently fell into the lower MBI to shape a granular bed with the cocurrent flow of heat and volatiles. In the MBI, the oil shale pyrolysis and volatiles reactions were directed and regulated by matching the flow and temperature fields to realize the selective cracking of heavy fraction in shale oil. The granular bed also served as a filter for the in-situ removal of dust entrained by the volatiles. The shale oil yield reached 83.0% of Fischer Assay oil yield, its light fraction was as high as 89.2 wt% and dust content was as low as 0.6 wt%. The advantages of pyrolysis in the MBI enhanced by rapid preheating were further justified by comparison with other pyrolysis processes.
KeywordOil shale pyrolysis Moving bed with internals Rapid preheating Drop tube Volatiles reaction Shale oil
DOI10.1016/j.enconman.2020.113358
Language英语
WOS KeywordHIGH-QUALITY TAR ; INTEGRATED FLUIDIZED-BED ; FIXED-BED ; COAL PYROLYSIS ; PRODUCT DISTRIBUTION ; SECONDARY REACTIONS ; SYNGAS PRODUCTION ; CARRIER ; GASIFICATION ; COMBUSTION
Funding ProjectNational Natural Science Foundation of China[U1908201]
WOS Research AreaThermodynamics ; Energy & Fuels ; Mechanics
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000603322000010
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/43159
Collection中国科学院过程工程研究所
Corresponding AuthorLai, Dengguo; Xu, Guangwen
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Urban Environm, CAS Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China
3.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Peoples R China
4.Polytech Montreal, Proc Engn Adv Res Lab PEARL, Chem Engn Dept, Montreal, PQ H3T 1J4, Canada
Recommended Citation
GB/T 7714
Chen, Zhaohui,Tian, Yong,Lai, Dengguo,et al. Oil shale pyrolysis in a moving bed with internals enhanced by rapid preheating in a heated drop tube[J]. ENERGY CONVERSION AND MANAGEMENT,2020,224:10.
APA Chen, Zhaohui.,Tian, Yong.,Lai, Dengguo.,Zhan, Jin-hui.,Han, Zhennan.,...&Gao, Shiqiu.(2020).Oil shale pyrolysis in a moving bed with internals enhanced by rapid preheating in a heated drop tube.ENERGY CONVERSION AND MANAGEMENT,224,10.
MLA Chen, Zhaohui,et al."Oil shale pyrolysis in a moving bed with internals enhanced by rapid preheating in a heated drop tube".ENERGY CONVERSION AND MANAGEMENT 224(2020):10.
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