Pressure leaching of synthetic chalcocite

机译：合成菱锰矿的压力浸出

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The pressure leaching of synthetic chalcocite, obtained from ammonia solutions using S and SO_2, was studied. About 50% of the copper was leached from the chalcocite in less than 30 minutes, using 4 bar of oxygen pressure, 130-150 g/L H_2SO_4 and 60? in a pressure reactor. These results are independent of the acid and copper concentrations in the solution. In addition, it was shown that the anodic residue (CuS) can replace elemental sulfur in the precipitation reaction with a similar behavior.

机译：研究了用S和SO_2从氨溶液中获得的合成菱铁矿的压力浸出。使用4 bar的氧气压力，130-150 g / L H_2SO_4和60？3的氧气，在不到30分钟的时间内从菱锰矿中浸出了约50％的铜。在压力反应堆中这些结果与溶液中酸和铜的浓度无关。另外，已经表明，在沉淀反应中，阳极残留物（CuS）可以取代元素硫，具有相似的行为。

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来源
《International Conference on Copper 2003-Cobre 2003 v.6 book 1; 20031130-20031203; Santiago; CL》|2003年|P.271-280|共10页
会议地点 Santiago(CL)
作者
A. Morales; D. Sierra; J. F. Hevia;
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Universidad Catolica del Norte Department of Metallurgical Engineering P. 0. Box 1280 Antofagasta, Chile;

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原文格式 PDF
正文语种 eng
中图分类有色金属;
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Pressure leaching of synthetic chalcocite

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