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Alkylation of isobutane with butene catalyzed by deep eutectic ionic liquids
Wang, Hongyan1,3; Ma, Song1; Zhou, Zhimao1; Li, Minjie1,4; Wang, Hui1,2,3
2020-06-01
Source PublicationFUEL
ISSN0016-2361
Volume269Pages:9
Abstract

The alkylation process of isobutane with butene is important in the petroleum industry. Ionic liquids (ILs) are considered as attractive alternative catalysts for isobutane alkylation besides strong liquid acids (H2SO4 or HF) and solid superacids. In this study, ILs based on amides-aluminum chloride (AlCl3) were synthesized and characterized, which exhibited both Lewis and Bronsted acidities. These deep eutectic ILs were found to be efficient catalysts for isobutane alkylation. The influences of the amide substrate, AlCl3/amide molar ratio, and metal additive on Lewis and Bronsted acidities were observed together with the synergetic effect of Lewis and Bronsted acid sites in the catalytic process. CuCl modified Urea-1.6AlCl(3) showed the best catalytic performance. The butene conversion was about 99.9% and C8 selectivity reached 57.6% under optimized reaction conditions (temperature of 15 degrees C, stirring rate of 1500 rpm, hydrocarbon feeding rate of 300 mL/h, isobutane/olefin molar ratio of 15:1, and reaction time of 15 min). In addition, Urea-1.6AlCl(3)-0.13CuCl could be recycled and reused for at least 20 times without obvious loss in catalytic activity.

KeywordAlkylation Isobutane Butene Deep Eutectic Ionic Liquids
DOI10.1016/j.fuel.2020.117419
Language英语
WOS KeywordPhysicochemical Properties ; Interfacial Behaviors ; Chloride ; Chloroaluminate ; Performance ; Zeolite ; Acidity ; Hcl ; Ir
Funding ProjectNational Natural Science Foundation of China[21808219] ; National Natural Science Foundation of China[21878311] ; National Natural Science Foundation of China[21878302] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A12]
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences
WOS IDWOS:000520021800009
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39841
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Hui
Affiliation1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
4.China Jiliang Univ, Coll Life Sci, 258 Xueyuan St,Xiasha Univ Pk, Hangzhou 310018, Zhejiang, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hongyan,Ma, Song,Zhou, Zhimao,et al. Alkylation of isobutane with butene catalyzed by deep eutectic ionic liquids[J]. FUEL,2020,269:9.
APA Wang, Hongyan,Ma, Song,Zhou, Zhimao,Li, Minjie,&Wang, Hui.(2020).Alkylation of isobutane with butene catalyzed by deep eutectic ionic liquids.FUEL,269,9.
MLA Wang, Hongyan,et al."Alkylation of isobutane with butene catalyzed by deep eutectic ionic liquids".FUEL 269(2020):9.
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