搜索结果: 1-8 共查到“知识库 有机化学 Al2O3”相关记录8条 . 查询时间(0.08 秒)
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
Water-Gas Shift Reaction over Bimetallic Pt-Ni/Al2O3 Catalysts
Water-gas shift Pt-Ni CO removal high temperature shift (HTS)
2010/4/9
The water-gas shift (WGS) activity of bimetallic Pt-Ni/Al2O3 catalysts was investigated in the temperature range 200-450 °C using an idealized feed composition consisting of 3% CO and 6%-10% H2O. The ...
摘要 以芳醛、丙二腈和4,6-二羟基嘧啶为原料, 以乙醇为溶剂, 在80 ℃以KF/Al2O3为催化剂合成了一系列的吡喃并[2,3-d]嘧啶衍生物, 产物的结构通过IR, 1H NMR和元素分析表征, 并进一步通过X射线衍射分析确证.
摘要 芳醛、5，5—二甲基—1，3—环己二酮、丙二酸亚异丙酯、芳胺在KF-Al2O3催 化下，在DMF中反应生成3—芳基—3—(5，5—二甲基—3—羟基—2—环己烯—1— 酮—2—基)丙酰胺衍生物，产率良好。
摘要 以芳醛、丙二腈和2,6-二羟基-4-氨基嘧啶为原料, 在KF/Al2O3催化下以乙醇为溶剂, 在80 ℃三组分一步合成了一系列吡啶并[2,3-d]嘧啶衍生物, 有趣的是在空气氧化作用下进一步发生了芳构化作用. 和其它合成方法相比, 该方法具有反应条件温和、容易操作和产率较高等优点, 并通过IR, 1H NMR和元素分析确证产物的结构.
Kinetic Study of Selective CO Oxidation over Pt-Co-Ce/Al2O3 Catalyst in Hydrogen-Rich Streams
CO oxidation Pt-Co-Ce/Al2O3 catalyst kinetic study reaction mechanism
2010/4/16
The kinetics of the selective CO oxidation was studied in a fixed-bed microreactor at atmospheric pressure over Pt-Co-Ce/Al2O3 catalyst, which was prepared using the incipient to wetness co-impregnati...
Basic Al2O3 as a Recyclable Reagent for the Protection of Carbonyl Groups with Phenylhydrazine Derivatives and Semicarbazides
Basic alumina phenylhydrazine derivatives semicarbazides carbonyl compounds protection recyclable
2010/4/16
Basic alumina is employed as an inorganic basic solid catalyst for the clean and less hazardous protection of carbonyl compounds, such as phenylhydrazones, 2,4-dinitrophenylhydrazones, semicarbazones,...
The Effect of Metal Loading on Structural Characteristics and Low Temperature CO Oxidation Activity of Coprecipitated Co/Al2O3
Catalysis Catalyst activation Environment Precipitation CO oxidation cobalt-alumina catalysts
2010/4/20
The Effect of Metal Loading on Structural Characteristics and Low Temperature CO Oxidation Activity of Coprecipitated Co/Al2O3.