东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2013, Vol. 34 ›› Issue (3): 399-402.DOI: -

• 材料与冶金 • 上一篇    下一篇

高镍铜阳极泥预处理富集金银的研究

杨洪英，陈国宝，彭驭风，李雪娇   

  1. (东北大学材料与冶金学院，辽宁沈阳110819)
  • 收稿日期:2012-09-24 修回日期:2012-09-24 出版日期:2013-03-15 发布日期:2013-01-26
  • 通讯作者: 杨洪英
  • 作者简介:杨洪英(1960-)，女，河北张家口人，东北大学教授，博士生导师.
  • 基金资助:
    国家科技支撑计划项目(2012BAE06B05)；国家自然科学基金资助项目(51174062，51104036)；国家高技术研究发展计划项目(2012AA061502，2012AA061501)；中央高校基本科研业务费专项资金资助项目(N110302002).

Pretreatment of Copper Anode Slime with High Nickel Content for Concentrating Gold and Silver

YANG Hongying， CHEN Guobao， PENG Yufeng， LI Xuejiao   

  1. School of Materials ＆ Metallurgy， Northeastern University， Shenyang 110819， China.
  • Received:2012-09-24 Revised:2012-09-24 Online:2013-03-15 Published:2013-01-26
  • Contact: YANG Hongying
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摘要： 由于高镍铜阳极泥是典型的难处理铜阳极泥，故以高镍铜阳极泥为原料，考察了温度、时间、液固比等因素对贱金属硒、铜和镍脱除效果的影响.研究结果表明，经过两次焙烧和浸出，可脱除995%的硒、997%的铜、9335%的镍和浸出9876%的银，且金从193g·t-1富集到1820g·t-1，增加了8~9倍.第一段焙烧和浸出条件:温度650℃、焙烧时间1h、酸泥质量比12、浸出温度55℃、浸出时间1h、液固质量比6.第二段焙烧和浸出条件:焙烧温度500℃、焙烧时间3h、酸泥质量比12、浸出温度55℃、液固质量比6、浸出时间1h.经过预处理之后，阳极泥的量减少为原来的1126%，大大提高了后续回收工序中的设备处理能力.

关键词: 高镍铜阳极泥, 预处理, 金, 硫酸化焙烧, 酸浸

Abstract: Taking the typical refractory high nickel copper anode slime as the raw material， the effects of temperature， time and liquidsolid ratio etc. factors on the removal of the metals selenium， copper and nickel were studied. The results showed that， after roastingleaching twice， 995% of selenium， 997% of copper， 9335% of nickel were removed. 9876% silver was in the leaching solution， and the amount of gold reached 1820g·t-1 from 193g·t-1. The best conditions of the first roastingleaching process were as follows， the roasting temperature of 650℃， the roasting time of 1h， m(H2SO4)/m(anode slime) of 12， the leaching temperature of 55℃， the leaching time of 1h， and the liquidsolid ratio of 6. The best conditions of the second roastingleaching process were as follows， the roasting temperature of 500℃， m(H2SO4)/m(anode slime) of 12， the roasting time of 3h， the leaching temperature of 55℃， the leaching time of 1h and the liquidsolid ratio of 6. The weight of the anode slime decreased to 1126% that of the original after the pretreatment， which greatly enhanced the handling capacity of the equipment during the subsequent recovery process.

Key words: copper anode slime with high nickel content, pretreatment, gold, sulfurizing roasting process, acid leaching

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