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Extraction and oxidative desulfurization of diesel fuel catalyzed by a Bronsted acidic ionic liquid at room temperature
Gao, Hongshuai; Guo, Chen; Xing, Jianmin; Zhao, Junmei; Liu, Huizhou; Gao, HS
2010
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume12Issue:7Pages:1220-1224
AbstractThe Bronsted acidic ionic liquids 1-butyl-3-methylimidazolium hydrogen sulfate ([BMIM][HSO(4)]) and N-butylpyridinium hydrogen sulfate ([C(4)Py][HSO(4)]) were used as extractant and catalyst for desulfurization of diesel. The results show that [BMIM][HSO(4)] is better as extractant and catalyst than [C(4)Py][HSO(4)] during the desulfurization process. The sulfur removal of dibenzothiophene (DBT) in n-octane was 99.6% in 90 min under the conditions of V(model oil)/V(IL) = 2 : 1 and H(2)O(2)/DBT molar ratio at 5 (O/S = 5), at room temperature. The sulfur removal of four sulfur compounds by extraction and catalytic oxidation process followed the order of DBT > benzothiophene (BT) > thiophene (TS) > 4,6-dimethyldibenzothiophene (4,6-DMDBT). Moreover, the [BMIM][HSO(4)] can be recycled for at least 6 times with a little decrease in the desulfurization activity. The sulfur removal of diesel fuel containing sulfur content of 97 ppm is 85.5%, which was much better than desulfurization performance by simple extraction with IL (11.0%). In this extraction and oxidative desulfurization process, DBT was oxidized to corresponding sulfone by H(2)O(2) with Bronsted acidic IL [BMIM][HSO(4)] which served as not only extractant but also catalyst.
KeywordOil Refinery Streams Deep Desulfurization Solvent-extraction Gasoline H2o2
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c002108c
Indexed BySCI
Language英语
WOS KeywordOIL REFINERY STREAMS ; DEEP DESULFURIZATION ; SOLVENT-EXTRACTION ; GASOLINE ; H2O2
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000279566300015
Citation statistics
Cited Times:146[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6241
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorGao, HS
AffiliationChinese Acad Sci, Key Lab Green Proc & Engn, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Gao, Hongshuai,Guo, Chen,Xing, Jianmin,et al. Extraction and oxidative desulfurization of diesel fuel catalyzed by a Bronsted acidic ionic liquid at room temperature[J]. GREEN CHEMISTRY,2010,12(7):1220-1224.
APA Gao, Hongshuai,Guo, Chen,Xing, Jianmin,Zhao, Junmei,Liu, Huizhou,&Gao, HS.(2010).Extraction and oxidative desulfurization of diesel fuel catalyzed by a Bronsted acidic ionic liquid at room temperature.GREEN CHEMISTRY,12(7),1220-1224.
MLA Gao, Hongshuai,et al."Extraction and oxidative desulfurization of diesel fuel catalyzed by a Bronsted acidic ionic liquid at room temperature".GREEN CHEMISTRY 12.7(2010):1220-1224.
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