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Practices for modeling oil shale pyrolysis and kinetics
Raja, Muhammad Afzal1,2; Zhao, Yongsheng1,2; Zhang, Xiangping1; Li, Chunshan1; Zhang, Suojiang1
2018
Source PublicationREVIEWS IN CHEMICAL ENGINEERING
ISSN0167-8299
Volume34Issue:1Pages:21-42
Abstract

Oil shale is one of the largest, relatively undeveloped natural fossil fuel resources in the world and so an important potential source of energy. The organic matter of oil shale is present as a complex combination of carbon, hydrogen, sulfur and oxygen named kerogen. Pyrolysis-gas chromatography-mass spectroscopy affords the opportunity to chemically characterize the main structural skeleton in this kerogen and is a favorable method to study the structural characteristics of kerogen at a molecular level. The thermal degradation of oil shale kerogen is a complex chemical process, accompanied by the wide variety of products obtained, which poses difficulties in the determination of the kinetics and mechanism of pyrolysis. Understanding the kinetics of kerogen decomposition to oil is critical to design a viable retorting process. Comprehensive kinetic data are also essential for accurate mathematical modeling of various oil shale processes. Classic graphical methods cannot unambiguously measure and estimate kinetic parameters due to the mathematical complexity. Advanced isoconversion methods would be appropriate for the calculation of the distribution of activation energies for multiple reactions involved in the decomposition of complex material such as kerogen to products. The range of variability in the principal activation energy is from about 200 to 242 kJ mol(-1), with most samples being in the middle half of that range, while the range of frequency factors most likely in the 10(12)-10(16) s(-1) range, with most values within the middle half of that range. The review presents the complexity of the oil shale pyrolysis mechanism and pyrolysis kinetics along with the challenges in experimental procedures and modeling of oil shale pyrolysis kinetics.

KeywordIsoconversion Methods Kinetic Models Oil Shale Pyrolysis Thermal Analysis
SubtypeReview
WOS HeadingsScience & Technology ; Technology
DOI10.1515/revce-2016-0038
Indexed BySCI
Language英语
WOS KeywordOpen-system Pyrolysis ; Thermogravimetric Data ; Thermal-decomposition ; Petroleum Generation ; Chemical-structure ; Source Rocks ; Processing Conditions ; Isothermal Pyrolysis ; Kerogen Pyrolysis ; Retorting Process
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Basic Research Program of China(2014CB744306) ; National Natural Science Fund for Distinguished Young Scholars(21425625) ; Chinese Academy of Sciences(122111KYS820150017) ; National Project of International Cooperation(2013DFG62640)
WOS IDWOS:000418367200002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23471
Collection研究所(批量导入)
Corresponding AuthorZhang, Xiangping
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100049, Peoples R China
2.Univ Chinese Acad Sci, Coll Chem & Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Raja, Muhammad Afzal,Zhao, Yongsheng,Zhang, Xiangping,et al. Practices for modeling oil shale pyrolysis and kinetics[J]. REVIEWS IN CHEMICAL ENGINEERING,2018,34(1):21-42.
APA Raja, Muhammad Afzal,Zhao, Yongsheng,Zhang, Xiangping,Li, Chunshan,&Zhang, Suojiang.(2018).Practices for modeling oil shale pyrolysis and kinetics.REVIEWS IN CHEMICAL ENGINEERING,34(1),21-42.
MLA Raja, Muhammad Afzal,et al."Practices for modeling oil shale pyrolysis and kinetics".REVIEWS IN CHEMICAL ENGINEERING 34.1(2018):21-42.
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