Based on mineral characteristics of a pyrite western Henan,single sulphur flotation technology was reformed into preferential copper selection and copper-sulphur separation technology according to experiments,high quality sulphur concentrates and rough copper concentrate containing certain gold and silver separately,better producing technique index and good economic benefit were obtained.
根据豫西某硫铁矿的原矿矿物特性,在试验研究的基础上,将原单一选硫浮选工艺改造成优先选铜,铜硫分离工艺,分别得到了优质硫精矿和含一定金银的铜粗精矿产品,获得了较好的生产技术指标和良好的经济效益。
In this paper,the application of the low－alkality Cu－S separation new technology in dashan plant was intradueed,and the propeties of the low－alkality technology and the high－alkality technoloty were described.
介绍了低碱度铜硫分离新工艺在大山选矿厂的生产应用情况，说明了低碱度工艺比石灰高碱度工艺实现铜硫分离的技术特点；对生产应用中存在的问题和解决方法进行了分析讨论，取得了显著的经济效益和社会效益。
Cu-S separation test was conducted at pH=7~8 with Ca(ClO)2 as the depressor for pyrite, and the depressing mechanism of Ca(ClO)2 for pyrite was studied.
试验表明,Ca(ClO)2是黄铁矿的良好抑制剂,在矿浆pH=7~8低碱度条件下,不添加石灰,只需加入少量的Ca(ClO)2抑制剂,就可以很好地抑制黄铁矿,实现铜硫分离。
According to the matter that the productivity of copper and sulfur ores are a little lower, the essay introduces some technical skills improved from many tests, increasing effectively the productivity of copper-- recovery rate of pure copper ore up by 7%, gold up by 15.
针对银山露采铜硫矿石生产指标偏低的情况,通过试验改进,实施了一些新的工艺措施,有效地提高了铜的选别指标,铜精矿回收率提高近7%,金、银回收率分别提高15。
The liberation characteristic and flotability of main minerals in Cu-S ores were different from each other after grinding.
铜硫矿石中的矿物在碎磨过程中 ,解离特性和可浮性存在一定差异。
In this paper, experimental results and production progress of processing of Cu-S ore in Chengmendong Mine are introduced.
介绍了城门山铜硫矿石的选硫试验成果及生产进展。