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学科主题物理化学
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)
关键词Ultra-deep Hydrodesulfurization Multi-metallic Sulfide Catalyst Nial-ldh Layered Structure 4 6-dimethyldibenzothiophene (4 6-dmdbt)
刊名APPLIED CATALYSIS A-GENERAL
2011-02-28
ISSN待补充
DOI10.1016/j.apcata.2010.11.043
394期:1-2页:18-24
收录类别SCI
文章类型Article
部门归属5
项目归属503
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]DOUBLE HYDROXIDES ; DEEP DESULFURIZATION ; SURFACE ; DIBENZOTHIOPHENE ; EPOXIDATION ; DIESEL ; HYDROTALCITE ; CHALLENGES ; CHEMISTRY ; TUNGSTEN
英文摘要Hydrodesulfurization 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.
语种英语
WOS记录号WOS:000287996100003
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115734
专题中国科学院大连化学物理研究所
通讯作者Jiang ZX(蒋宗轩); Li C(李灿)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China
推荐引用方式
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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