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本文介绍从含有大量磁铁矿、赤铁矿及褐铁矿的矿石中浮选孔雀石、赤铜矿、假孔雀石的研究结果。矿物经过硫化,添加苯并三唑或α-安息香肟或其他螯合剂,同时添加中性油,可以成功地进行氧化铜矿物的浮选。与传统的硫化-黄药浮选比较,药耗较低,并且能在不脱泥的情况下,得到含铜更高的精矿产品或更高的回收率。
This article describes the results of the flotation of malachite, red copper and fake malachite from ores containing large amounts of magnetite, hematite and limonite. Flotation of copper oxide minerals can be successfully performed by sulphurizing the mineral, adding benzotriazole or α-benzoin oxime, or other chelating agents, with the addition of a neutral oil. Compared with the traditional sulfidization-xanthate flotation, the drug consumption is lower and the concentrate with higher copper content or higher recovery rate can be obtained without desliming.