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Fabrication of Ionic Liquid-Based Pickering Emulsion and Its Enhancement for Tri-isobutene Formation in Isobutene Oligomerization
Lv, Lunchao1,2; Wang, Hongyan1; Chen, Jian1,3,4; Cao, Yingying1; Wang, Hui1; Ren, Baozeng2; Zhang, Suojiang1,3
2020-06-03
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume59Issue:22Pages:10426-10436
AbstractNanoparticles resistant to strong acid were prepared by grafting alkyl chains (i.e., C-1-, C-8-, and C-18-) and alkyl sulfonic acid groups onto silica. The composition, morphology, and contact angles of these nanoparticles were characterized. These modified silica nanoparticles were used to fabricate a Pickering emulsion using the mixture of concentrated sulfuric acid and ionic liquid as the water phase and alkane as the oil phase. The effects of nanoparticle structure, ionic liquid concentration, emulsifier content, storage time, and temperature on the physicochemical properties of the emulsion were investigated. It was illustrated that emulsions constructed by C-8-SiO2-SO3H (octyl and propylsulfonic acid groups modified silica) were more stable. As the concentration of ionic liquid increased, the droplet size of the emulsion gradually increased. Conversely, the increase of the alkyl chain of the oil phase resulted in a decrease of the droplet size of the emulsion, and no obvious demulsification was observed when the emulsion constructed by C-8-SiO2-SO3H was stored at room temperature for 14 days or when the temperature was increased to 80 degrees C. This kind of emulsion was used to improve the product distribution of isobutene oligomerization under mild conditions. It was found that compared with the system containing no emulsion, the weight percentage of tri-isobutene (C-12(=)) in the product could be enhanced by 4.8% at 40 degrees C in 60 min, and that of C-12(=) and C-16(=) was increased by 10.5%.
DOI10.1021/acs.iecr.0c00295
Language英语
WOS KeywordINTERFACIAL CATALYSIS ; SILICA NANOPARTICLES ; PARTICLES ; BEHAVIOR ; STABILIZATION ; SELECTIVITY ; STABILITY ; EFFICIENT ; OLEFINS ; GREEN
Funding ProjectMajor Program of National Natural Science Foundation of China[21890762] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A12] ; National Natural Science Foundation of China[21878311] ; National Natural Science Foundation of China[21808219] ; CAS Pioneer Hundred Talents Program ; K. C. Wong Education Foundation[GJTD-2018-04]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationMajor Program of National Natural Science Foundation of China ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; National Natural Science Foundation of China ; CAS Pioneer Hundred Talents Program ; K. C. Wong Education Foundation
WOS IDWOS:000538521200017
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41073
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Hui; Ren, Baozeng; Zhang, Suojiang
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn,CAS Key Lab Green Proc & Engn, Innovat Acad Green Manufacture,Beijing Key Lab Io, Beijing 100190, Peoples R China
2.Zhengzhou Univ, Sch Chem Engn, Zhengzhou 450001, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Lv, Lunchao,Wang, Hongyan,Chen, Jian,et al. Fabrication of Ionic Liquid-Based Pickering Emulsion and Its Enhancement for Tri-isobutene Formation in Isobutene Oligomerization[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2020,59(22):10426-10436.
APA Lv, Lunchao.,Wang, Hongyan.,Chen, Jian.,Cao, Yingying.,Wang, Hui.,...&Zhang, Suojiang.(2020).Fabrication of Ionic Liquid-Based Pickering Emulsion and Its Enhancement for Tri-isobutene Formation in Isobutene Oligomerization.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,59(22),10426-10436.
MLA Lv, Lunchao,et al."Fabrication of Ionic Liquid-Based Pickering Emulsion and Its Enhancement for Tri-isobutene Formation in Isobutene Oligomerization".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 59.22(2020):10426-10436.
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