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Kinetic modeling of methanol to olefins process over SAPO-34 catalyst based on the dual-cycle reaction mechanism
Yuan, Xiaoshuai1,2; Li, Hua1; Ye, Mao1; Liu, Zhongmin1
Corresponding AuthorLi, Hua(lihua@dicp.ac.cn) ; Ye, Mao(maoye@dicp.ac.cn)
Keywordmethanol to olefins kinetic model SAPO-34 deactivation
Source PublicationAICHE JOURNAL
2019-02-01
ISSN0001-1541
DOI10.1002/aic.16439
Volume65Issue:2Pages:662-674
Funding ProjectNational Natural Science Foundation of China[91334205] ; National Natural Science Foundation of China[21406217]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS SubjectEngineering, Chemical
WOS Research AreaEngineering
WOS KeywordCO-REACTION ; HYDROCARBON FORMATION ; ZEOLITE H-ZSM-5 ; LIGHT OLEFINS ; TO-PROPYLENE ; MTO REACTION ; CONVERSION ; DEACTIVATION ; HSAPO-34 ; PROPENE
AbstractA kinetic model for methanol to olefins (MTO) process over SAPO-34 catalyst was established based on the dual-cycle reaction mechanism. Simplifications were made by assuming olefins-based cycle as virtual species S, and aromatics-based cycle as R, where the former mainly accounts for the production of higher olefins, while the latter for lower olefins. Transformation of S to R was considered with the participation of methanol and olefins. Meanwhile, a phenomenological deactivation model was developed to account for the deactivation process. With the proposed model, the evolution of methanol conversion and product selectivity with time on stream could be predicted, and key reaction characteristics, such as the autocatalytic nature of the reaction, could also be captured due to its mechanism-based nature. Further simulations of MTO reactors at different scales validated the robustness and applicability of the current model in MTO process development and optimization. (c) 2018 American Institute of Chemical Engineers AIChE J, 65: 662-674, 2019
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS IDWOS:000459660200019
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/165993
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi, Hua; Ye, Mao
Affiliation1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Natl Engn Lab MTO, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Xiaoshuai,Li, Hua,Ye, Mao,et al. Kinetic modeling of methanol to olefins process over SAPO-34 catalyst based on the dual-cycle reaction mechanism[J]. AICHE JOURNAL,2019,65(2):662-674.
APA Yuan, Xiaoshuai,Li, Hua,Ye, Mao,&Liu, Zhongmin.(2019).Kinetic modeling of methanol to olefins process over SAPO-34 catalyst based on the dual-cycle reaction mechanism.AICHE JOURNAL,65(2),662-674.
MLA Yuan, Xiaoshuai,et al."Kinetic modeling of methanol to olefins process over SAPO-34 catalyst based on the dual-cycle reaction mechanism".AICHE JOURNAL 65.2(2019):662-674.
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