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. 关键词:Na3AlF6-Al2O3；团簇；第一原理计算；拉曼光谱；高温熔盐 中图分类号:TF821 文献标志码:A Caculation simulation and high temperature Raman spectroscopic on structure of Na3AlF6-Al2O3 molten salt system..., China) Abstract: Several Al-F and Al-F-O clusters were designed and constructed on the consideration of possible bondings in Na3AlF6-Al2O3 molten salt system. First principle calculation and density......
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Preparation of Al(OH)3 by ion membrane electrolysis and precipitation of sodium aluminate solution with seeds LI Yuan-gao(李元高)1, 2, CHEN Qi-yuan(陈启元)2, WANG Song-sen(王松森)2, YIN Zhou-lan(尹周澜)2...; Abstract: The preparation of Al(OH)3 by the ion exchange membrane electrolysis followed by the precipitation of sodium aluminate solution with seeds......
under the following conditions: a sulfuric acid at 70% of the raw material quality, roasting temperature of 300 °C and roasting time of 2 h, followed by the process of leaching the roasted residue for 1 h by applying a water-to-solid ratio of 5:1 at room temperature. The recovery rates of Zn and Fe were 98.69% and 92.36%, respectively. The main parameters of the chlorine salt leaching system were......
9.8~10.2；黄铜矿的浮选条件如下:丁基黄药5.32×10-5 mol/L,2号油10 mg/L,pH值9.8~10.2),以不同用量焦亚硫酸作为活化剂,对氰化铁闪锌矿和黄铜矿进行了脱氰研究,试验结果如图3所示. 图3 焦亚硫酸钠用量对锌或铜回收率的影响 Fig. 3 Effect of dosage of sodium metabisulfite on zinc...继续增加,会进一步将单质硫氧化为,使疏水表面转变为亲水表面,削弱了活化效果. 图6 铁闪锌矿,氰化铁闪锌矿及焦亚硫酸钠活化后的氰化铁闪锌矿的红外光谱 Fig. 6 Infrared spectra of marmatite, depressed marmatite and activated depressed marmatite using sodium......
；选择性腐蚀 中图分类号:TG172.42 文献标志码:A Corrosion behavior of Cu-17Ni-3Al-X alloy in neutral salt atmosphere LUO Zong-qiang, ZHANG Wei-wen, XIN Bao-liang, LI Yuan-yuan (School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China) Abstract: The corrosion behavior of the Cu-17Ni-3Al-X alloy was investigated by means of neutral salt......
J. Cent. South Univ. (2017) 24: 335-340 DOI: 10.1007/s11171-017-3435-2 Dissolution kinetics of copper from multi-metal copper alloy roasted in oxygen LU Wei-hong(卢伟红), YIN Zhou-lan(尹周澜), DING Zhi... Abstract: A kinetic study on the sulfuric acid leaching of multi-metal oxide, which is the product of multi-metal copper alloy with iron trioxide roasted in oxygen, was carried out. The effects of leaching......
Applications of molten salt and progress of molten salt electrolysis in secondary metal resource recoveryXiao-li Xi1,2,Ming Feng1,Li-wen Zhang1,Zuo-ren Nie1,21. College of Materials Science..., Beijing University of Technology摘 要:Molten salt is an excellent medium for chemical reaction, energy transfer, and storage. Molten salt innovative......
particle to carrier, and optimizes the environment of flotation. Key words: ilmenite; sodium oleate; autogenous-carrier flotation ...和细粒可浮性的影响 Fig.2 Effect of carrier proportion on floatability of carrier (38?74 μm) and fine particle(0?20 μm) 图3 油酸钠用量对钛铁矿可浮性的影响 Fig.3 Effect of dosage of sodium oleate......
Synthesis of LiSm0.01Mn1.99O4 by molten salt techniqueM Helan1,L John Berchmans2摘 要:Samarium substituted lithium manganese oxide powders were successfully prepared by molten-salt synthesis(MSS) using eutectic mixture of LiCl,SmCl3.6H2O and MnO2 salt at 700 °C.The synthesis was carried out in open atmosphere.The crystalline powders were characterized......
