东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2007, Vol. 28 ›› Issue (5): 692-695.DOI: -

• 论著 • 上一篇    下一篇

以韦帕矿为后加矿的增溶溶出技术

王一雍;张廷安;柯贤耀;蒋孝丽;   

  1. 东北大学材料与冶金学院;东北大学材料与冶金学院;东北大学材料与冶金学院;东北大学材料与冶金学院 辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004
  • 收稿日期:2013-06-24 修回日期:2013-06-24 出版日期:2007-05-15 发布日期:2013-06-24
  • 通讯作者: Wang, Y.-Y.
  • 作者简介:-
  • 基金资助:
    国家自然科学基金资助项目(50174018);;

Digestion technology with Weipa ore as sweetening ore

Wang, Yi-Yong (1); Zhang, Ting-An (1); Ke, Xian-Yao (1); Jiang, Xiao-Li (1)   

  1. (1) School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China
  • Received:2013-06-24 Revised:2013-06-24 Online:2007-05-15 Published:2013-06-24
  • Contact: Wang, Y.-Y.
  • About author:-
  • Supported by:
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摘要： 对澳大利亚韦帕矿的溶出性能及以韦帕矿为后加矿的增溶溶出技术进行了实验研究.考察了增溶温度,增溶时间,后加矿加入量对溶出效果的影响,同时对后加矿增溶溶出的矿浆性能进行了对比性研究.结果表明:韦帕矿为三水铝石矿,在200℃以上溶出时,浸出率较高,适宜作为增溶溶出过程的后加矿.以韦帕矿为后加矿,其适宜的增溶溶出条件为:增溶温度195~200℃,增溶时间15~20 min,后加矿的质量分数为15%~20%.后加矿增溶溶出矿浆具有优良的沉降压缩性能.

关键词: 增溶溶出技术, 溶出性能, 增溶时间, 三水铝石矿, 沉降

Abstract: The digestion efficiency of Australian Weipa ore and using it in digestion process were investigated. Effects of sweetening temperature/time and dosage of Weipa ore on the digestion efficiency were comparatively studied. The results showed that Weipa ore is gibbsite and its leaching efficiency is high when digested at higher than 200°C, so applicable to sweetening ore in digestion process, under conditions that the sweetening process is controlled in the range of 195-200°C for 15-20 min and the dosage of Weipa ore is 15wt%-20wt% of the quantity of ore added in the process of Bayer process. The slurry thus sweetened shows an excellent settling compression performance.

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