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NO reduction by CH4 in over Pd/sulfated the presence of excess O-2 alumina catalysts
Li, N; Wang, AQ; Lin, L; Wang, XD; Ren, LL; Zhang, T
关键词No Reduction Methane Sulfated Alumina Pd
刊名APPLIED CATALYSIS B-ENVIRONMENTAL
2004-06-18
DOI10.1016/j.apcatb.2003.10.009
50期:1页:1-7
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]PALLADIUM-LOADED ZEOLITES ; SELECTIVE REDUCTION ; NITROGEN MONOXIDE ; NITRIC-OXIDE ; ZIRCONIA CATALYSTS ; METHANE ; PD ; OXYGEN ; ACIDITY ; SULFUR
英文摘要Selective catalytic reduction (SCR) of nitric oxide with methane in the presence of excess oxygen has been studied for the first time on a series of Pd loaded sulfated alumina (SA) catalysts. Pd/gamma-Al2O3 showed only a low activity for the SCR of NO with methane but high activity for combustion by-reaction. After pretreating the gamma-Al2O3 with H2SO4, a remarkably promoting effect on the catalytic activity was achieved. NH3-TPD spectra of different catalysts demonstrated that the sulfation increased the acidity of support which is very important for the reduction of NO with methane over Pd catalysts. The Pd/sulfated alumina catalyst exhibited best catalytic activity when 0.1 wt.% Pd was loaded on sulfated alumina (SA) prepared by impregnating the gamma-Al2O3 with 2.5 M H2SO4. The activity of Pd/SA catalyst can be improved by increasing the surface area of the gamma-Al2O3 Precursor. Moreover, the Pd/SA catalyst as prepared exhibited high catalytic performance in high space velocity and in the presence Of SO2. (C) 2003 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000221383900001
引用统计
被引频次:22[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/321008/139576
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Li, N,Wang, AQ,Lin, L,et al. NO reduction by CH4 in over Pd/sulfated the presence of excess O-2 alumina catalysts[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2004,50(1):1-7.
APA Li, N,Wang, AQ,Lin, L,Wang, XD,Ren, LL,&Zhang, T.(2004).NO reduction by CH4 in over Pd/sulfated the presence of excess O-2 alumina catalysts.APPLIED CATALYSIS B-ENVIRONMENTAL,50(1),1-7.
MLA Li, N,et al."NO reduction by CH4 in over Pd/sulfated the presence of excess O-2 alumina catalysts".APPLIED CATALYSIS B-ENVIRONMENTAL 50.1(2004):1-7.
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