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Upgrading of Canadian Oil Sand Bitumen via Cracking and Coke Gasification: Effect of Catalyst and Operating Parameters
Zhang, Yuming1; Huang, Lei1; Zhang, Xiaochen1,2; Sun, Guogang1; Gao, Shiqiu2; Zhang, Shu3
2017-07-01
Source PublicationENERGY & FUELS
ISSN0887-0624
Volume31Issue:7Pages:7438-7444
Abstract

Canadian oil sand bitumen was stepwise converted via an integrated cracking and coke gasification (ICCG) process. The cracking behaviors of oil sand bitumen were investigated in a fluidized bed reactor with FCC and bifunctional (BFC) catalysts, respectively. The BFC catalyst specialized for the ICCG process was designed with both cracking and gasification activities. The results showed that the liquid yield of 78 wt % and conversion ratio of 87% of oil cracking could be simultaneously realized over hydrothermally treated catalysts (A-FCC and A-BFC) at 510 degrees C. The cracking performance of catalysts was closely related with their acidity, as indicated by NH3-TPD analysis. Coke deposit on the catalyst could lead to severe pore blockage. Catalyst regeneration via coke gasification could recover its pore structures and meanwhile produce high quality syngas with the sum of H-2 and CO up to 80 vol %. Comparing with FCC catalysts, the regeneration.(coke gasification) time over BFC catalysts was shortened by about 30% due to its well-developed pores and high alkaline oxides content, and these effects could be further enhanced by impregnating potassium oxides as catalytic additives. Finally, the alternating cracking gasification operation was conducted for four cycles to justify the stability of BFC catalyst. The newly designed amorphous BFC catalyst exhibited high hydrothermal stability and could be potentially used for oil sand bitumen upgrading via the ICCG process in a large scale.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.energyfuels.7b01087
Indexed BySCI
Language英语
WOS KeywordHeavy Oil ; Oilsands Bitumen ; Vacuum Residue ; Coking ; Hydrocracking ; Technology ; Extraction ; Reactors ; Fcc
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation(21406264) ; National Basic Research Program of China(2014CB744304) ; Science Foundation of China University of Petroleum, Beijing(2462013YJRC021 ; C201606)
WOS IDWOS:000406356600083
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23159
Collection多相复杂系统国家重点实验室
Affiliation1.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Curtin Univ Technol, Fuels & Energy Technol Inst, GPO Box U1987, Perth, WA 6845, Australia
Recommended Citation
GB/T 7714
Zhang, Yuming,Huang, Lei,Zhang, Xiaochen,et al. Upgrading of Canadian Oil Sand Bitumen via Cracking and Coke Gasification: Effect of Catalyst and Operating Parameters[J]. ENERGY & FUELS,2017,31(7):7438-7444.
APA Zhang, Yuming,Huang, Lei,Zhang, Xiaochen,Sun, Guogang,Gao, Shiqiu,&Zhang, Shu.(2017).Upgrading of Canadian Oil Sand Bitumen via Cracking and Coke Gasification: Effect of Catalyst and Operating Parameters.ENERGY & FUELS,31(7),7438-7444.
MLA Zhang, Yuming,et al."Upgrading of Canadian Oil Sand Bitumen via Cracking and Coke Gasification: Effect of Catalyst and Operating Parameters".ENERGY & FUELS 31.7(2017):7438-7444.
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