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Precipitation Characteristics and Mechanism of Vanadium Carbides in a V-Microalloyed Medium-Carbon SteelXiao-Lin Pan1,Minoru Umemoto21. School of Metallurgy, Northeastern University2. Department of Mechanical Engineering, Toyohashi University of Technology摘 要:The precipitation characteristics and mechanism of vanadium carbides during isothermal......
Vanadium Carbide Coating Growth on Die Steel Substrate in Borax Salt Bath王洪福School of Materials Science and Engineering, Wuhan University of TechnologySchool of Mechanical Engineering and Automation, North University of China摘 要:Vanadium pentoxide, borax, boron carbide and sodium fluoride were used to grow vanadium carbide coating on die steel(Cr12......
pyrochlore-type ammonium tungstates followed by ion exchange in acidic aqueous solutions. SCHAAK and MALLOUK [1] and KUDO et al [3] reported that PTO was successfully obtained by acid leaching... of Hazardous Materials, 2013, 263: 36-44. [19] LI Dong. Hydrothermal precipitation of pyrochlore-type tungsten trioxide from ammonium tungstate solution and effect of iron [D]. Changsha: Central South University......
of metavanadate or ammonium poly vanadate, in the presence of ammonium sulfate or as commercially pure vanadium pentoxide upon hydrolysis [5,6]. This process is costly and complicated, with a low vanadium... is desilication from the titanium–vanadium slag by alkaline leaching. The obtained products are decomposed with molten NaOH salt under atmospheric pressure, forming the intermediate products. Finally......
, the highest adsorption rate is 99.72% and the highest adsorption capacity is 99.72 mg/g. Key words: sawdust; quaternary ammonium salt; U(VI); adsorption 随着核工业技术和设施的不断进步,铀的需求量也愈来愈大,同时在采冶过程产生大量含铀废水[1].铀因其在低浓度和长...-liang. Adsorption properties and mechanism of saccharomyces cerevisiae loaded by nano-Fe3O4 on uranium[J]. 2012, 22(2): 604-610. [7] MELLAH A, CHEGROUCHE S, BARKAT M. The precipitation of ammonium......
Trans. Nonferrous Met. Soc. China 31(2021) 2128-2138 Influence of high concentration Zn2+ on floatability of sphalerite in acidic system Ting-sheng QIU1, Guo-dong LI1,2, Xiao-bo LI1, Hua-shan YAN1... 730900, China Received 15 April 2020; accepted 30 April 2021 Abstract: The influence of high concentration Zn2+ on the floatability of sphalerite in an acidic system was investigated via flotation......
Effects of Carbon Content and Microstructure on Corrosion Property of New Developed Steels in Acidic Salt SolutionsFeilong Sun1,Xiaogang Li1,2,Xuequn Cheng1,21. Corrosion and Protection Center,University of Science and Technology Beijing2. Key Laboratory of Corrosion and Protection(Ministry of Education)摘 要:New steels with different carbon contents were......
the acidic hydrogen ions. Then the resulting phenolic salt with strong hydrophobicity (dissoluble in organic phase and insoluble in water phase) can be easily stripped by inorganic acid. The extraction...Trans. Nonferrous Met. Soc. China 25(2015) 329-334 Solvent extraction of rubidium and cesium from salt lake brine with t-BAMBP-kerosene solution Shi-ming LIU, He-hui LIU, Yun-jing HUANG, Wei-jun YANG......
