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锌浸出液针铁矿法除铁邓永贵1,陈启元1,尹周澜1,张平民1(1.湖南省长沙市中南大学化学化工学院)摘 要:使用微分反应器装置针铁矿法从湿法炼锌浸出液除铁,对含铁为Fe3+/Fe2+浸出液为待除铁液进行试验.结果表明,此法除铁易于工业实践,除铁效果好.在大量晶种存在时,溶液pH=2.5,除铁后溶液含铁量为0.0064g/L,除铁率为99.74%,而没有晶种存在时,相同pH值时,除铁率仅为90%,除铁后溶液含铁量大于0.07g/L.关键词:冶金技术； 锌浸出液除铁； 针铁矿法； 晶种； 微分反应器装置......
to simultaneously detect the polymetallic components, such as Zn(II) and Co(II), coexisting in the leaching solution of zinc hydrometallurgy. A Gaussian-like distribution was constructed as the sub-model... 96%. The proposed resolution method is effective for overlapped linear sweep polarographic peaks of Zn(II) and Co(II). Key words: zinc hydrometallurgy; Gaussian-like distribution; overlapped peaks......
and high mass concentration of iron in the bioleaching solution that decrease the efficiencies of solution extraction and electrowinning during copper hydrometallurgy in a copper mine, iron removal... polyacrylamide to copper hydrometallurgy[J]. Nonferrous Metals Science and Engineering, 2012, 3(3): 40-42, 79. [2] 刘媛媛. 谦比希湿法炼铜厂生产实践[J]. 中国有色冶金, 2009(4): 195-197. LIU Yuanyuan. Production practice in Chambishi......
: Goethite method requires harsh environment during the process of iron precipitation, in order to use advanced optimization control technology in the process of iron precipitation during hydrometallurgy... in hydrometallurgy process[J]. The Chinese Journal of Nonferrous Metals, 2008, 18(1): 27-31. [3] 胡国荣, 李国, 邓新荣, 等. 针铁矿法从铬铁合金硫酸浸出液中除铁[J]. 湿法冶金, 2006, 25(4): 198-201.HU Guo-rong, LI Guo, DENG Xin-rong......
): 6-9. [2] CAO Zhan-fang, ZHONG Hong, QIU Zhao-hui, LIU Guang-yi, ZHANG Wen-xuan. A novel technology for molybdenum extraction from molybdenite concentrate[J]. Hydrometallurgy, 2009, 99(5): 2-6. [3] 甘 敏... of atmospheric hydrometallurgical removal of[J]. Hydrometallurgy, 2014, 150: 9-13. [5] VANDENBERGA J A M, YANG Y. NAUTA H H K, VAN SANDWIJK A, REUTER M A. Comprehensive processing of low grade sulphidic......
. Progress of technology optimization of precipitation of iron in zinc hydrometallurgy[J]. Multipurpose Utilization of Mineral Resources, 2014(6): 11-14. [7] 孙 备, 张 斌, 阳春华, 桂卫华. 有色冶金净化过程建模与优化控制问题探讨[J]. 自动化学报...(6): 880-892. [8] 袁芳沁, 吴克明, 丁倩倩. 湿法炼锌除铁工艺的现状与展望[J]. 矿产综合利用, 2011(2): 32-34. YUAN Fan-qin, WU Ke-ming, DING Qian-qian. Status and prospect of technology for iron removal in zinc hydrometallurgy[J......
for scheelite hydrometallurgy is obtained. For the process with the formation of compact product layer, the intensification of the tungsten extraction with ultrasound mainly reflects in the stripping... reaction of scheelite in sodium carbonate can be expressed as Reaction (1). Generally, in this solid-liquid system of hydrometallurgy, the process can be described by an unreacted shrinking core model......
; 文献标志码:A Thermodynamic analysis of leaching of iron concentrate separated from kiln slag in zinc hydrometallurgy HE Shi-chao, LIU Zhi-hong, LIU Zhi-yong, LI Yu-hu, LI Qi-hou (School... separated magnetically from kiln slag in zinc hydrometallurgy (hereinafter referred to as kiln slag iron concentrate), a new process of comprehensively utilizing kiln slag iron concentrate was proposed......
slags in zinc hydrometallurgy after the processes of leaching, reduction, purification and coprecipitation. The optimum conditions of leaching, sulfide precipitation and fluorination precipitation were.... 参考文献: [1] 梅光贵, 王德润, 周敬元, 等. 湿法炼锌学[M]. 长沙: 中南大学出版社, 2001: 95-121.MEI Guang-gui, WANG De-run, ZHOU Jing-yuan, et al. Hydrometallurgy of zinc[M]. Changsha: Central South University Press, 2001......
system is laconic, and the results are precise and reliable. And the value obtained can be conveniently protracted into varies valuable figures, which can be used in hydrometallurgy analysis. Key words.... Hydrometallurgy[M]. Beijing: Metallurgic Industry Press, 1998. [3]YANG Sheng-hai, TANG Mo-tang. Thermodynamics of Zn(Ⅱ)- NH3-NH4Cl-H2O system[J]. Trans Nonferrous Met Soc China, 2000, 10(6): 830-833. [4]唐......
