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Desulfuration of electrolyzed coal water slurry in HCl system with ionic liquid addition
Alternative TitleFuel Process. Technol.
Gong, Xuzhong1; Wang, Mingyong1; Wang, Zhi1; Guo, Zhancheng1,2
2012-07-01
Source PublicationFUEL PROCESSING TECHNOLOGY
ISSN0378-3820
Volume99Issue:99Pages:6-12
AbstractEffects of ionic liquid-assisted on electrolyzed desulfuration of coal water slurry (CWS) in HCl system were investigated by constant-current electrolysis. The results indicated that the desulfuration effects from CWS electrolysis in the HCl system were improved, and the removal effects of organic sulfur in coal were improved as ionic liquids increased. On the other hand, reduction of electrolysis on cathode showed that hydro-desulfuration ratio with 1-butyl-3-methylimidazolium bromide (C8H15N2Br) was higher than that with 1-butyl-3-methylimidazolium chloride (C8H15N2Cl), and hydro-desulfuration ratio with pyridine ring ionic liquids was higher than that with imidazole ring. The results of ash composition showed Fe-containing mineral matters were removed by electrolysis on anode. However, they were not removed by electrolysis on cathode. In addition, the desulfuration ratio of CWS electrolysis without membrane was between anode and cathode electrolysis ratio. Finally, the mechanism of ionic liquid-assisted on electrolyzed desulfuration of CWS in HCl system was proposed. Crown Copyright (c) 2012 Published by Elsevier B.V. All rights reserved.; Effects of ionic liquid-assisted on electrolyzed desulfuration of coal water slurry (CWS) in HCl system were investigated by constant-current electrolysis. The results indicated that the desulfuration effects from CWS electrolysis in the HCl system were improved, and the removal effects of organic sulfur in coal were improved as ionic liquids increased. On the other hand, reduction of electrolysis on cathode showed that hydro-desulfuration ratio with 1-butyl-3-methylimidazolium bromide (C8H15N2Br) was higher than that with 1-butyl-3-methylimidazolium chloride (C8H15N2Cl), and hydro-desulfuration ratio with pyridine ring ionic liquids was higher than that with imidazole ring. The results of ash composition showed Fe-containing mineral matters were removed by electrolysis on anode. However, they were not removed by electrolysis on cathode. In addition, the desulfuration ratio of CWS electrolysis without membrane was between anode and cathode electrolysis ratio. Finally, the mechanism of ionic liquid-assisted on electrolyzed desulfuration of CWS in HCl system was proposed. Crown Copyright (c) 2012 Published by Elsevier B.V. All rights reserved.
KeywordIonic Liquids Desulfuration Electrolysis Coal Water Slurry
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fuproc.2012.02.002
URL查看原文
Indexed BySCI
Language英语
WOS KeywordORGANIC SULFUR ; DESULFURIZATION ; REMOVAL ; OXIDATION ; PYRITE ; MEDIA
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS SubjectChemistry, Applied ; Energy & Fuels ; Engineering, Chemical
WOS IDWOS:000303973600002
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6301
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Gong, Xuzhong,Wang, Mingyong,Wang, Zhi,et al. Desulfuration of electrolyzed coal water slurry in HCl system with ionic liquid addition[J]. FUEL PROCESSING TECHNOLOGY,2012,99(99):6-12.
APA Gong, Xuzhong,Wang, Mingyong,Wang, Zhi,&Guo, Zhancheng.(2012).Desulfuration of electrolyzed coal water slurry in HCl system with ionic liquid addition.FUEL PROCESSING TECHNOLOGY,99(99),6-12.
MLA Gong, Xuzhong,et al."Desulfuration of electrolyzed coal water slurry in HCl system with ionic liquid addition".FUEL PROCESSING TECHNOLOGY 99.99(2012):6-12.
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