DICP OpenIR
Subject Area物理化学
Hydrodesulfurization of 4,6-DMDBT on a multi-metallic sulfide catalyst with layered structure
Wang, Lu; Zhang, Yongna; Zhang, Yuliang; Liu, Peng; Han, Hongxian; Yang, Min; Jiang, Zongxuan; Li, Can; Jiang ZX(蒋宗轩); Li C(李灿)
KeywordUltra-deep Hydrodesulfurization Multi-metallic Sulfide Catalyst Nial-ldh Layered Structure 4 6-dimethyldibenzothiophene (4 6-dmdbt)
Source PublicationAPPLIED CATALYSIS A-GENERAL
2011-02-28
ISSN待补充
DOI10.1016/j.apcata.2010.11.043
Volume394Issue:1-2Pages:18-24
Indexed BySCI
SubtypeArticle
Department5
Funding Project503
Contribution Rank1,1
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
WOS SubjectChemistry, Physical ; Environmental Sciences
WOS Research AreaChemistry ; Environmental Sciences & Ecology
WOS KeywordDOUBLE HYDROXIDES ; DEEP DESULFURIZATION ; SURFACE ; DIBENZOTHIOPHENE ; EPOXIDATION ; DIESEL ; HYDROTALCITE ; CHALLENGES ; CHEMISTRY ; TUNGSTEN
AbstractHydrodesulfurization of 4,6-DMDBT on a Multi-metallic Sulfide Catalyst with Layered Structure; A multi-metallic NiAlMoW catalyst with layered structure was prepared by surfactant-assisted co-precipitation method using NiAl-layered double hydroxide (NiAl-LDH) as the structure-directing template. By carefully tuning the composition of the layered structure and the synthesis conditions, we have prepared a series of Ni(m)Al(n)MoW catalysts. For the HDS of 4,6-DMDBT. NiAl(3)MoW-5 shows two times higher intrinsic catalytic activity (based on weight of active metals) compared to that of the commercial CoNiMoW/Al(2)O(3) catalyst. The sulfur content in the model compound could be reduced from 500 ppm to less than 20 ppm using this catalyst under the operation conditions of 3.0 MPa, 300 degrees C, a WHSV (weight hourly space velocity) of 9 h(-1), and H(2)/oil ratio of 800 Nm(3)/m(3). The synthesized catalysts were characterized by SEM. TEM, XRD, TG/DSC, nitrogen adsorption/desorption isotherms and XRF. This NiAlMoW catalyst has retained the unique layered structure of NiAl-LDH, which can facilitate uniform dispersion of the active species on both the surface and the edge of the layer. It was found that the layered structure has a great impact on the catalytic activity of the HDS reactions. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000287996100003
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/115734
Collection中国科学院大连化学物理研究所
Corresponding AuthorJiang ZX(蒋宗轩); Li C(李灿)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China
Recommended Citation
GB/T 7714
Wang, Lu,Zhang, Yongna,Zhang, Yuliang,et al. Hydrodesulfurization of 4,6-DMDBT on a multi-metallic sulfide catalyst with layered structure[J]. APPLIED CATALYSIS A-GENERAL,2011,394(1-2):18-24.
APA Wang, Lu.,Zhang, Yongna.,Zhang, Yuliang.,Liu, Peng.,Han, Hongxian.,...&李灿.(2011).Hydrodesulfurization of 4,6-DMDBT on a multi-metallic sulfide catalyst with layered structure.APPLIED CATALYSIS A-GENERAL,394(1-2),18-24.
MLA Wang, Lu,et al."Hydrodesulfurization of 4,6-DMDBT on a multi-metallic sulfide catalyst with layered structure".APPLIED CATALYSIS A-GENERAL 394.1-2(2011):18-24.
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