CAJ | 학술논문

云南某金矿是中国西南地区最大的黄金多金属共伴生矿山，其选矿厂原采用“全泥氰化浸出—弱磁选—强磁选”工艺对该矿多金属氧化矿石中的金、银、铁进行回收。为了提高金、银浸出率和铁回收率，对该选矿厂进行了控氰抑铜富氧浸出—差异化优先浸吸—脱泥梯级磁选的技术改造。生产实践表明：改进工艺实际生产指标与原工艺流程比较，金浸出率提高了12.16百分点，银浸出率提高了15.14百分点，总铁回收率提高了18.44百分点，经济效益显著。
운남모금광시중국서남지구최대적황금다금속공반생광산，기선광엄원채용“전니청화침출—약자선—강자선”공예대해광다금속양화광석중적금、은、철진행회수。위료제고금、은침출솔화철회수솔，대해선광엄진행료공청억동부양침출—차이화우선침흡—탈니제급자선적기술개조。생산실천표명：개진공예실제생산지표여원공예류정비교，금침출솔제고료12.16백분점，은침출솔제고료15.14백분점，총철회수솔제고료18.44백분점，경제효익현저。
The gold mine in Yunnan is the largest gold poly-metallic mine in southwest China .A whole ore cyani-dation leaching-low intensity magnetic separation -strong magnetic separation process is used to recover gold ,silver and iron from the poly-metallic oxide ores in the ore-dressing plant .To increase the leaching rate of gold and silver as well as the recovery rate of iron ,a renovation process of cyanide control copper suppression atmospheric leaching -dif-ferential preferential leaching and adsorption -desliming stepped magnetic separation is applied in the plant .Produc-tion practice show that the renovated process compared to the previous one increases gold leaching rate by 12.16 percent points,silver leaching rate by 15.14 percent points,iron recovery rate by 18.14 percent points,achie-ving satisfactory profits .