DICP OpenIR
Effect of introduction of Ba, Mn on thermal stability and catalytic activity to methane combustion of Al2O3
Wang, JW; Xu, JG; Tian, ZJ; Xu, YP; Xu, ZS; Lin, LW
关键词Methane Catalytic Combustion Supercritical Drying Ba-hexaaluminate Catalyst
刊名ACTA PHYSICO-CHIMICA SINICA
2002-11-01
DOI10.3866/PKU.WHXB20021112
18期:11页:1018-1022
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
英文摘要A sol-gel method was employed to prepare Mn-substituted barium hexaaluminate catalysts for methane combustion. Supercritical drying (SCD) and conventional oven drying(CD) methods were used to extract the water in the hydrogel. The effects of drying methods,. as well as the incorporation of Ba, Mn, on properties of the catalysts were investigated by means of N-2-adsorption, TG-DTA and X-ray diffraction. The supercritical drying method could maintain a higher specific surface area of the samples and suppress the transformation into alpha-Al2O3 at elevated temperatures. The introduction of Mn oxides could promote the transformation into hexaaluminates during calcination. BaMnAl11O19 catalyst dried by SCD method has a specific surface area of 35.1 m(2 .) g(-1) and an activity with T-10% (temperature for 10% methane conversion) of 500 degreesC under the condition of 0.1 MPa and 40000 h(-1) GHSV.
语种英语
WOS记录号WOS:000179364700012
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139209
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, Dalian 116023, Peoples R China
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GB/T 7714
Wang, JW,Xu, JG,Tian, ZJ,et al. Effect of introduction of Ba, Mn on thermal stability and catalytic activity to methane combustion of Al2O3[J]. ACTA PHYSICO-CHIMICA SINICA,2002,18(11):1018-1022.
APA Wang, JW,Xu, JG,Tian, ZJ,Xu, YP,Xu, ZS,&Lin, LW.(2002).Effect of introduction of Ba, Mn on thermal stability and catalytic activity to methane combustion of Al2O3.ACTA PHYSICO-CHIMICA SINICA,18(11),1018-1022.
MLA Wang, JW,et al."Effect of introduction of Ba, Mn on thermal stability and catalytic activity to methane combustion of Al2O3".ACTA PHYSICO-CHIMICA SINICA 18.11(2002):1018-1022.
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