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Preparation and characterization of Cu-Ce-La mixed oxide as water-gas shift catalyst for fuel cells application ZHI Keduan1,LIU Quansheng1,HE Runxia1,ZHAO Ruigang1,ZHANG Lifeng1 (1.School of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China) Abstract:Cu-Ce-La mixed oxides were prepared by three precipitation methods (coprecipitation, homogeneous precipitation......
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J. Cent. South Univ. (2020) 27: 2538-2547 DOI: https://doi.org/10.1007/s11771-020-4479-7 Ablation resistance and mechanism of SiC/ZrC-ZrB2 double layer coating for C/C composites under plasma flame... Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: To improve the ablation resistance of carbon/carbon (C/C) composites, a SiC/ZrC-ZrB2 double layer coating was fabricated......
Microstructure and Mechanical Properties of C/C-ZrC-SiC Composites Fabricated by Reactive Melt Infiltration with Zr,Si Mixed PowdersXin Yang1,2,Zhean Su2,Qizhong Huang2,Xiao Fang2,Liyuan Chai11...) with Zr,Si mixed powders as raw materials.The structural evolution and formation mechanism of the C/C-ZrC -SiC composites were discussed,and the mechanical property of the as-prepared material......
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Trans. Nonferrous Met. Soc. China 29(2019) 1294-1303 Comparative study on chalcopyrite bioleaching with assistance of different carbon materials by mixed moderate thermophiles Ping ZHU1,3, Xue-duan... artificial graphite (AG), carbon black (CB), activated carbon (AC) and carbon nanotube (CN) on chalcopyrite bioleaching by mixed moderate thermophiles was comparatively investigated. In AC and AG added......
Effect of Manganese Doping on Oxygen Storage Capacity of Ceria-Zirconia Mixed Oxides Weng Duan1,Liang Qing1,Wu Xiaodong1 (1.Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China) Abstract:CeO2-ZrO2-MnOx mixed oxide series were prepared by sol-gel method. CO pulse and CO-O2 cycle measurements were carried out to examine......
with stirring speed, acid concentration, and leaching temperature. The experimental results indicate that the dissolution rate is of mixed control via hydrogen ion [H+] action, with reaction order of 0.813... evaluated. Key words: kaolin; alum; sulphuric and fluosilicic acid; leaching; kinetic model; mixed control 1 Introduction Alum, a colourless to white crystalline substance is a constituent of the mineral......
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