一种用于氰化过程的提高金银浸出率的方法

One for gold and silver cyanide leaching process to improve the rate of approach

使用氢氧化钠和碳酸钠混合碱调节氰原矿浆pH值，根据调节矿浆pH值的机理计算出了各自混合碱的耗量，使用混合碱比例为氢氧化钠：碳酸钠=2：1时，可以使金银浸出率提高至少一个百分点。同时根据实验结果，与单独使用纯碱或烧碱调节氰原pH值相比，纯碱单耗降低了90％，烧碱单耗降低了15％，大幅度节省了氰化浸金过程中的辅助材料成本费用。

Using sodium hydroxide and sodium cyanide mixed alkali conditioning the original pulp pH, , according to the mechanism of adjustment to calculate their own mixed-alkali consumption, use of mixed alkali ratio of sodium hydroxide： sodium carbonate = 2：1 ,you can make gold and silver leaching rate at least one percentage point.While the experimental results, with soda ash or caustic soda alone adjust pH value than the original cyanide, soda ash unit consumption decreased by 90%, caustic soda unit consumption decreased by 15%, a significant savings in the process of cyanide leaching of gold in the supplementary material costs.