Copper recovery by cementation process from a copper waste solution containing 120g/l copper and 120g/l HCl was studied. Iron power was used for the cementation. It was found that without dilution of waste copper solution the recovery of copper powder is low 28.3 percent. With the dilution of solution the powder formation increases and an optimum recovery of 87.5 percent copper was found in 5 times diluted solution in 15 minutes of leaching. The two-stage cementation process yielded almost complete recovery of copper as copper powder. The purity of copper powder was found 98 percent and apparent density was 1.8g/cm3.
展开▼
机译：研究了通过胶结工艺从含120g / l铜和120g / l HCl的铜废液中回收铜的方法。铁粉被用于胶结。发现在不稀释废铜溶液的情况下，铜粉的回收率低至28.3％。随着溶液的稀释，粉末的形成增加，在15分钟的浸提过程中，在5倍稀释的溶液中发现了87.5％的铜的最佳回收率。两阶段的胶结工艺可将铜作为铜粉几乎完全回收。发现铜粉的纯度为98％，表观密度为1.8g / cm3。
展开▼
