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Preparation of Zirconia-Ceria Powders with High Specific Surface Area MEI Fang1,Wang Enguo1 (1.Department of Physics, Zhanjiang Normal University, Zhanjiang 524048, China) Abstract:Zirconia-ceria... shows that high temperature aging is an efficient way of preparation of ZrO2-CeO2 mixed oxide powders with high specific surface area and good thermal stability, and that addition of a small amount......
Preparation and Characterization of Porous Yttrium Oxide Powders with High Specific Surface Area Sun Weili1,Wang Yizheng1,Li Yongxiu1,Lin Xiaoyun1,Luo Junming1 (1.Research Center for Rare Earths & Micro/nano Functional Materials, Nanchang University, Nanchang 330047, China) Abstract:The porous cubic yttrium oxides with high specific surface area were prepared by the explosive decomposition......
Improvement of photocatalytic activity of high specific surface area graphitic carbon nitride by loading a co-catalystYe Chen1,2,Naoya Murakami1,Hai-Yan Chen2,3,Jia Sun1,Qi-Tao Zhang1,2,Zhi-Feng... with sodium hydroxide solution under a hydrothermal condition to obtain g-C3 N4 with a large specific surface area(HSSA).HSSA shows higher photocatalytic activity for decomposition of acetaldehyde than......
Recovery and regeneration of Al2O3 with a high specific surface area from spent hydrodesulfurization catalyst CoMo/Al2O3Qi Liu1,Wen-Qiang Wang1,Yue Yang1,2,Xue-Gang Liu1,Sheng-Ming Xu1,31. Institute... with the interfacial chemical reaction model, and its apparent activation energy is calculated as 45.50 kJ mol-1. Subsequently, y-Al2O3 with a high specific surface area of 278.3 m2·g-1, a mean size......
Effects of specific surface area of metallic nickel particles on carbon deposition kineticsZhi-yuan Chen1,2,Liu-zhen Bian3,Zi-you Yu2,Li-jun Wang1,Fu-shen Li4,Kuo-Chih Chou1,31. Collaborative... kinetics on nickel powders from different resources, carbon deposition rate is suggested to have a linear relation with the square of specific surface area of nickel particles.关键词:......
for Non-Ferrous Metals, Beijing 100088, China) Abstract:The method for preparing yttrium oxide with large specific surface area was introduced. By means of BET, SEM, TG and DTA analysis, the effects of precipitant, stirring velocity, non-RE impurity in solution, calcination temperature, on the surface area were studied respectively. The Y2O3 sample with specific surface area of more than 60 m2*g-1......
Effect of Surfactant/Silica and Hydrothermal Time on the Specific Surface Area of Mesoporous Materials from Coal-Measure Kaolin吴其胜School of Materials Engineering,Yancheng Institute of Technology摘 要... nm.The effect of hydrothermal treatment time and the amount of template on the specific surface area of mesoporous materials was important,when the Surf/Si=0.135,and hydrothermal time=12 h,and the surface......
. The effects of some factors, such as the mole ratio of CTAB to Ce, reaction temperature, calcination temperature and calcination time, on porous size and specific surface area were investigated. Mesoporous CeO2 with specific surface area of 132m2/g was made under the condition as: the ratio of CTAB to Ce 1∶1, the reaction temperature 80℃, the calcination temperature 300℃ and the calcination time......
during the preparation procedure can decrease the specific surface area of sample, adding hydrogen peroxide in the matrix solution can increase the specific surface area and stability of sample...Effect of Preparation Method on Surface Area and Crystalline Form of CeO2-ZrO2 Solid Solution 郭杨龙1,郭耘1,王晓红1,卢冠忠1,刘晓晖1,张志刚1,王筠松1 (1.Laboratory for Advanced Materials, Research Institute......
. It was found that the cerium oxide/surfactant mixture gave rise to pure and fluorite-structured CeO_2 after calcination at 573 K.Moreover, the textural analysis revealed high specific surface area (205...Modified-EISA synthesis of mesoporous high surface area CeO_2 and catalytic property for CO oxidation LI Xiazhang1,CHEN Feng2,CHEN Zhigang2,NI Chaoying3,LU Xiaowang2 (1.School of Materials Science......
