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at above 700 ℃. By this process, not only the metal values can be recovered effectively, but also the iron resources of zinc kiln slag can be converted into Fe2O3 with high purity, thus, the comprehensive...验证.为此,考察了盐酸浓度和浸出温度对浸出效果的影响,其结果如图3和4所示. 图3 30 ℃下盐酸浓度对铁精矿主要组分浸出率的影响 Fig. 3 Effect of hydrochloric acid concentration on leaching rate of main metal in iron comentrate at 30 ℃ 图4 HCl浓......
that the recovery of zinc from the wastes or purification of heavy-metal-containing hazardous residues is technically feasible. Key words: mechano-chemical sulfidization; zinc oxide; reductive additives; self... been developed: wastes containing heavy metal zinc (in oxide or metal form) can be treated by grinding with sulfur and reductive additives such as P, Fe, Al and Mg, and ZnS can be recycled by utilizing......
×[Fe3+]0.7×exp(-19820/(RT)) during Ag leaching process 4 Conclusions It is feasible to fully recover each valuable metal from zinc acid-leaching residue by sulfation roasting and oxygen-rich... J. Cent. South Univ. (2020) 27: 3567-3580 DOI: https://doi.org/10.1007/s11771-020-4569-6 Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich......
Effect of magnesium on the aluminothermic reduction rate of zinc oxide obtained from spent alkaline battery anodes for the preparation of Al–Zn–Mg alloysRocio Ochoa,Alfredo Flores,Jesus Torres摘 要:The aluminothermic reduction of zinc oxide(ZnO) from alkaline battery anodes using molten Al may be a good option for the elaboration of secondary 7000-series......
析 中图分类号:Q819 文献标志码:A Identification and analysis of zinc transport genes in Acidithiobacillus ferrooxidans HOU Dong-mei1, MIAO Bo1, WANG Yang-yang1... transcription of these genes during zinc ion stress were investigated by Reverse Transcription quantitative real-time PCR (RT-qPCR). And then, the genes involved in zinc ion transport were analyzed......
zinc powders by DC arc plasma evaporation method WANG Peng, ZHAO Fang-xia, ZHANG Zhen-zhong (College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: The various particle sized ultrafine zinc powders were prepared by controlling the cathode current of self-designed fabricated high-vacuum three-electrode DC arc plasma production......
degradation of rhodamine B is demonstrated. Key words: micro/nano structure; porous films; zinc oxide; photocatalysis ...ZnSO4浓度0.05 mol/L(图1(b))时,可以得到孔分布均匀,与基底结合好,孔径与孔壁结构合适的多孔锌薄膜.因此后续实验中固定ZnSO4的浓度为0.05 mol/L. 图2 不同ZnSO4浓度时沉积层的形貌 Fig.2 SEM morphologies of porous zinc films at different ZnSO4 concentrations......
, LMAEDA K, TORII T. Preparation of zinc oxide/metal oxide multilayered thin films for low-voltage varistors[J]. Vacuum, 1998, 51(4): 719-722. [3] DE LA RUBIA LOPEZ M A, PEITEADO M, FERNANDEZ J F... Effect of Cr doping on secondary phases and electrical properties of zinc oxide ceramic thick film varistors JIANG Sheng-lin(姜胜林), ZHANG Hai-bo(张海波), XIE Tian-tian(谢甜甜), FAN Mao-yan(范茂彦), ZENG Yi......
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