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(NH3)2+2. 关键词: 锌; 氨络合物; 电沉积; 阴极过程 中图分类号: TQ53 文献标识码: A Cathodic process of zinc electrowinning in solution containing ammonia complex CAO Hua-zhen1, ZHENG Guo-qu1, ZHI Bo1, TANG Mo-tang2 (1... 410083, China) Abstract: The cathodic process of zinc electrowinning in solution containing ammonia complex was studied by cathodic polarization and chronoamperometric method, which were tested......
anode for zinc electrowinning LI Yuan1, JIANG Liang-xing1, NI Heng-fa2, L? Xiao-jun1, LAI Yan-qing1, LI Jie1, LIU Ye-xiang1 (1. School of Metallurgical Science and Engineering, Central South... potential after 24 h is 100 mV lower than that of pure lead anode, which is equal to that of Pb-Ag (0.6%) anode. Key words: zinc electrowinning; composite electrodeposition; Pb/Pb-MnO2 anode; fluoborate......
文献标志码:A 文章编号:1672-7207(2011)09-2577-07 Leaching process of low grade zinc oxide ore of Lanping in NH3...) Abstract: The leaching process of low grade zinc oxide ore of Lanping in the system of NH3-(NH4) 2 SO4 was studied. The influences of pH, total ammonia concentration, ratio of solid to liquid......
;Morphologies of electrowinning gallium at different NaOH concentrations 表3 阴极产品的多元素分析结果 Table 3 Analysis results of electrodeposited gallium (mass fraction, %) 3 结论 1) 镓精矿中镓含量为0.11%,NaOH浓度对镓的... acid leaching solution of zinc replacing slag by HBL121[J]. The Chinese Journal of Nonferrous Metals, 2014, 24(9): 2400-2409. [9] 张俊杰, 李宏煦. 高铁铝土矿焙烧/高压碱浸提取镓的研究[J]. 有色金属(冶炼部分), 2017(12): 36-39. ZHANG Jun......
Trans. Nonferrous Met. Soc. China 22(2012) 1693-1700 Effects of polyaniline on electrochemical properties of composite inert anodes used in zinc electrowinning ZHAN Peng1,2, XU Rui-dong1,2, HUANG..., China Received 8 July 2011; accepted 19 March 2012 Abstract: In order to search for a suitable anode material used in zinc electrowinning in place of Pb-Ag alloy, Al/Pb-PANI (polyaniline)-WC (tungsten......
Trans. Nonferrous Met. Soc. China 25(2015) 2073-2080 Preparation of high purity cadmium with micro-spherical architecture from zinc flue dust Yuan LIU, Ya-jie ZHENG, Zhao-ming SUN School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 21 July 2014; accepted 5 December 2014 Abstract: This research has focused on the treatment of zinc flue dust by an acid......
kilogram of lead powder. Key words: lead; zinc oxide dust; alkaline Na2EDTA solution; electrowinning; leaching 1 Introduction The sediment soot zinc oxide dust (ZOD) is produced in the process of fuming... electrowinning, the collected lead powders were analyzed and the spent electrolyte recycled back to the leaching stage. 2.3 Analysis methods The elemental contents of lead and zinc in the ZOD and the residues......
processing and zinc recovery by electrowinning[J]. Journal of Hazardous Materials, 2010, 179(1): 1-7. [10] MOCELLIN J, MERCIER G, MOREL J L, CHARBONNIER P, BLAIS J F, SIMONNOT M O. Recovery of zinc...XRD谱 Fig. 2 XRD pattern of blast furnace dust 表2 高炉瓦斯灰中锌的主要物相 Table 2 Phase distribution of zinc presented in blast furnace dust (mass fraction, %) 1.2 实验方法及设备 按实验方案用电子天平......
(such as As, Sb, Bi) containing in the minerals remain in the residues during the leaching process [12]. Zinc could be extracted by purification or solvent extraction and electrowinning [12-14]. As the leaching...Trans. Nonferrous Met. Soc. China 26(2016) 1688-1695 Leaching kinetics of zinc silicate in ammonium chloride solution Sheng-hai YANG, Hao LI, Yan-wei SUN, Yong-ming CHEN, Chao-bo TANG, Jing HE School......
, GAGA D. Influence of metallic impurities on zinc electrowinning from sulphate electrolyte[J]. Hydrometallurgy, 1996, 43(1/3): 345-354. [3] 梅光贵, 王德润, 周敬元. 湿法炼锌学(精)[M]. 长沙: 中南大学出版社, 2004. MEI Guang-gui...] Wu X, LIU Z, LIU X. The effects of additives on the electrowinning of zinc from sulphate solutions with high fluoride concentration[J]. Hydrometallurgy, 2014, 141(2): 31-35. [9] 谢维新. 湿法炼锌中电解锌溶液脱氟的研究......