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Influence of Different Subsistence States of CeO2-ZrO2 Mixed Oxides in Catalyst Coating on Catalytic Properties Feng Changgen1,Shu Baichong2,Chen Jianjun1,Fan Jun3 (1.School of Mechanic-Electronic... University, Beijing 100084, China) Abstract:The metallic substrate-catalysts with different subsistence states of CeO2-ZrO2 mixed oxides were prepared and the catalytic properties were investigated......
Alternative beneficiation of tantalite and removal of radioactive oxides from Ethiopian Kenticha pegmatite–spodumene oresBerhe Goitom Gebreyohannes1,2,Velázquez del Rosario Alberto1,Abubeker... and 1 M H2SO4 led to the removal of thorium and uranium radioactive oxides from the concentrate. The findings of this study suggest that the beneficiation and alkaline washing of Kenticha pegmatite......
Studies on Gas Sensitive Materials of γ-Fe2O3 Doped with Rare Earth Oxides徐甲强,曾桓兴,沈瑜生,王弘摘 要:<正> Fine powders of γ-Fe2O3,doped with Y2O3,CeO2,Eu2O3...).The addition of rare earth oxides,which improves ceramic microstructure ofγ-Fe2O3,improves gas sensitivity of γ-Fe2O3.The stability can be increased because of the increase of phasetransition......
Structures and oxygen storage capacities of CeO2-ZrO2-Al2O3 ternary oxides prepared by a green route:supercritical anti-solvent precipitation黄盼,姜浩锡,张敏华Key Laboratory for Green Chemical Technology of Ministry of Education,R&D Center for Petrochemical Technology,Tianjin University摘 要:CeO2-ZrO2-Al2O3 ternary oxides were successfully prepared by a green......
Analysis of Oxides Formed on the Surface of the Alloy 690 in Hydrogenated Supercritical WaterJin Gao1,Fa-rong Wan1,Guo-ping Cao2,Kumar Sridharan2,Todd Allen21. School of Materials Science and Engineering,University of Science and Technology Beijing2. Department of Materials Science and Engineering,University of Wisconsin-Madison摘 要:The oxides formed......
Structures and oxygen storage capacities of CeO2-ZrO2-Al2O3 ternary oxides prepared by a green route:supercritical anti-solvent precipitation黄盼,姜浩锡,张敏华Key Laboratory for Green Chemical Technology of Ministry of Education,R&D Center for Petrochemical Technology,Tianjin University摘 要:CeO2-ZrO2-Al2O3 ternary oxides were successfully prepared by a green......
Role of Surface Adsorption in Fast Oxygen Storage/Release of CeO2-ZrO2 Mixed Oxides Wu Xiaodi1,Weng Duan1,Liang Qing1,Wu Xiaodong1 (1.Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China) Abstract:Four kinds of CeO2-ZrO2 mixed oxides, i.e., a physical mixture of ceria and zirconia (CZP), zirconia-coated ceria (ZCC), ceria......
has a chemical formula of CeO2·nH2O(n < 2) and a cubic fluorite-type structure after high temperature treatment.Adsorption capacity of different temperature treated hydrous cerium oxides does... on the structure of a hydrous cerium oxides,and no signs of CePO4 precipitates are found.The ion-exchanging structure of hydrous cerium oxide plays a fundamental role in phosphate adsorption.The structure......
="ChDivSummary">Pure and Zr, La or Pr-doped cerium oxides were characterised by transmission electron microscopy (TEM), N2 adsorption-desorption at -196 oC and X-ray diffraction (XRD). For crystal sizes... the strain contribution to line broadening. The miscalculation of crystal size by using the Scherrer equation affected both pure and doped cerium oxides, but the size underestimation became more......
="ChDivSummary">Pure and Zr, La or Pr-doped cerium oxides were characterised by transmission electron microscopy (TEM), N2 adsorption-desorption at -196 oC and X-ray diffraction (XRD). For crystal sizes... the strain contribution to line broadening. The miscalculation of crystal size by using the Scherrer equation affected both pure and doped cerium oxides, but the size underestimation became more......
