东北大学学报:自然科学版 ›› 2015, Vol. 36 ›› Issue (6): 811-814.DOI: 10.12068/j.issn.1005-3026.2015.06.012

• 材料与冶金 • 上一篇    下一篇

氧化锌矿溶出液的净化

邵鸿媚, 申晓毅, 张彬彬, 翟玉春   

  1. (东北大学 材料与冶金学院, 辽宁 沈阳110819)
  • 收稿日期:2014-05-07 修回日期:2014-05-07 出版日期:2015-06-15 发布日期:2015-06-11
  • 通讯作者: 邵鸿媚
  • 作者简介:邵鸿媚(1986-),女,辽宁大连人,东北大学博士研究生; 翟玉春(1946-),男,辽宁鞍山人,东北大学教授,博士生导师.
  • 基金资助:
    国家自然科学基金资助项目(51204054); 中央高校基本科研业务费专项资金资助项目(N110402012).

Purification of the Digestion Solution of Zinc Oxide Ores

SHAO Hong-mei, SHEN Xiao-yi, ZHANG Bin-bin, ZHAI Yu-chun   

  1. School of Materials & Metallurgy, Northeastern University, Shenyang 110819, China.
  • Received:2014-05-07 Revised:2014-05-07 Online:2015-06-15 Published:2015-06-11
  • Contact: ZHAI Yu-chun
  • About author:-
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摘要: 以中低品位氧化锌矿的硫酸铵焙烧熟料溶出液为原料,其中主要含有ZnSO4,Fe2(SO4)3及Al2(SO4)3,以碳酸氢铵为除杂剂,采用黄铵铁矾法和水解法去除溶液中的杂质Fe和Al以得到较为纯净的ZnSO4溶液,实验考察了溶液pH值、反应温度、反应时间对除铁率的影响,得到了黄铵铁矾渣,继续调节硫酸锌溶液的pH值以水解去除溶液中的Al,得到铝渣.采用XRD,SEM,化学成分分析等手段对黄铵铁矾渣、铝渣进行了表征,结果表明黄铵铁矾发育良好,颗粒规则,氢氧化铝粒度不均匀.

关键词: 硫酸锌溶液, 净化, 黄铵铁矾, 氢氧化铝

Abstract: ZnSO4 solution was used as a raw material, which was obtained from zinc oxide ores roasted using (NH4)2SO4 and then digested in water. The main components in solution were ZnSO4, Fe2(SO4)3, Al2(SO4)3 and so on. NH4HCO3 was used as purifier reagent. Aiming to obtain refined ZnSO4 solution, the ammonium jarosite method and hydrolysis method were adopted to eliminate Fe3+ and Al3+ from the solution. The influences of pH values, the reaction temperature and time on the iron removal rate were discussed, and after the removal of iron, the ammonium jarosite slags were obtained. The pH value of solution was adjusted to precipitate Al3+ and Al(OH)3 was yielded out. The XRD, SEM and chemical components analysis were used to characterize the ammonium jarosite and Al(OH)3 slags. The results showed that the ammonium jarosite particles with regular shape growes well, and the size of Al(OH)3 slags is heterogeneous.

Key words: ZnSO4 solution, purification, ammonium jarosite, Al(OH)3

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