铜冶炼炉渣综合利用技术的研究

Study on comprehensive utilization technology of copper smelting slag

本文研究了硫化钠、硫酸铜和三氯化铁对铜冶炼渣中铜硫化浮选的影响。结果表明,铜具有良好的可浮性,不依赖于Na_(2)S和Cu^(2+)离子的加入,而Fe^(3+)对铜的可浮性有抑制作用。在pH值为2~4的条件下,在添加Na_(2)S和Cu^(2+)离子的条件下,金属铜的回收率迅速提高,并保持在较高水平。但随着Fe;浓度的增加,抑制作用增强。

The effects of sodium sulfide,copper sulfate and ferric chloride on copper sulfide flotation in copper smelting slag were studied in this paper.The results show that copper has good floatability,independent of the addition of Na_(2)S and Cu^(2+)ions,while Fe^(3+)inhibits the floatability of copper.Under the condition of pH value of 2~4 and the addition of Na_(2)S and Cu^(2+)ions,the recovery of copper increases rapidly and remains at a high level.However,the inhibition increased with the increase of Fe^(3+)concentration.