共搜索到6746条信息，每页显示10条信息，共675页。用时：0小时0分0秒198毫秒
Numerical simulation of preparation of ultrafine cerium oxides using jet-flow pyrolysisChao Lv1,2,Ting-An Zhang1,Zhi-He Dou1,Qiu-Yue Zhao11. Key Laboratory of Ecological Metallurgy of Multi-metal... efficiency and severe environmental pollution.Our team has independently developed a jet pyrolysis reactor for the preparation of ultrafine cerium oxides,and this process has theoretical significance......
Catalytic performance of cerium iron complex oxides for partial oxidation of methane to synthesis gas李孔斋,王华,魏永刚,刘明春摘 要:The cerium iron complex oxides oxygen carrier was prepared by the co-precipitation method. The reactions between methane and lattice oxygen from the complex oxides were investigated in a fixed micro-reactor system. The reduced oxygen......
">In this study,two series of cerium zirconium mixed oxides Ce0.35Zr0.55La0.055Pr0.045O2 were prepared under traditional co-precipitation and oxidation co-precipitation methods respectively. The physicochemical...The effect of hydrogen peroxide on properties of Ce0.35Zr0.55La0.055Pr0.045O2 oxides and the catalytic performance used on Pd supported three-way catalystQi Wang1,2,Meisheng Cui1,2,Xiaowei......
">In this study,two series of cerium zirconium mixed oxides Ce0.35Zr0.55La0.055Pr0.045O2 were prepared under traditional co-precipitation and oxidation co-precipitation methods respectively. The physicochemical...The effect of hydrogen peroxide on properties of Ce0.35Zr0.55La0.055Pr0.045O2 oxides and the catalytic performance used on Pd supported three-way catalystQi Wang1,2,Meisheng Cui1,2,Xiaowei......
, 1.6% thorium and about 40% the other trivalent rare earth oxides, was used to prepare cerium(IV) nitrate solution for extraction using the prepared SIR. The impregnated resin was satisfactory for Ce..., dissolution of cerium hydrous oxides cake in sulfuric acid is associated with partial reduction of cerium from its tetravalent state. Hydrochloric acid has also effect as a reducing agent......
A rationale for the development of thermally stable nanostructured CeO2-ZrO2-containing mixed oxides Colin Norman1,Heather Bradshaw1,Roberta Di Monte2,Jan Ka3 (1.MEL Chemicals, P.O. Box 6, Clifton... not depend on the composition of the mixed oxides. Key words:CeO2-ZrO2 mixed oxides; CeO2-ZrO2 solid solution; CeO2-ZrO2 mixed oxides,thermal stability of; three-way catalysts; oxygen storage capacity......
Preparation and characterization of Ce1-xFexO2 complex oxides and its catalytic activity for methane selective oxidation李孔斋,王华,魏永刚,刘明春摘 要:A series... and lattice oxygen from the complex oxides were investigated. The characteristic results revealed that the combination of Ce and Fe oxide in the catalysts could lower the temperature necessary to reduce......
Rare earth oxides doped NiO/γ-Al2O3 catalyst for oxidative dehydrogenation of cyclohexaneHany M.AbdelD ayem1,2,3,M.Faiz4,Hesham S.Abdel-Samad3,5,Salah A.Hassan31. Center of Research Excellence... 要:The effect of rare earth oxides(RE=Ce, La, Gd, and Dy) doping of alumina support in NiO/γ-Al2O3 system was investigated on its catalytic performance......
Rare earth oxides doped NiO/γ-Al2O3 catalyst for oxidative dehydrogenation of cyclohexaneHany M.AbdelD ayem1,2,3,M.Faiz4,Hesham S.Abdel-Samad3,5,Salah A.Hassan31. Center of Research Excellence... 要:The effect of rare earth oxides(RE=Ce, La, Gd, and Dy) doping of alumina support in NiO/γ-Al2O3 system was investigated on its catalytic performance......
Nitric oxide(NO) decomposition on catalysts, containing oxides of lanthanum and cerium, supported on γ-aluminaD.Stoyanova1,P.Georgieva1,I.Avramova1,K.Aleksieva2,D.Marinova1,D.Mehandjiev11. Institute of General and Inorganic Chemistry-BAS2. Institute of Catalysis-BAS摘 要:The present work was devoted to study the catalytic activity of lanthanum and cerium......
