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1. Washing Stage The washing efficiency of the three washing processes of countercurrent washing, filtration washing and combined washing was significantly increased with the increase of the washing stage, and the washing speeds of the three washing stages with the same washing stage were similar.
2. Washing water volume Whether it is countercurrent washing or filtration washing, the washing efficiency is significantly increased as the amount of washing water increases.
3. With the increase of the discharge concentration of the thickeners in the countercurrent washing stage, the washing efficiency is improved; as the water content of the filter cake of each level of the washing filter increases, the filtration washing efficiency decreases.
4. Decreasing the concentration of the slurry fed to the first stage of washing can improve the first stage washing efficiency and the total washing efficiency.
5. The lean liquid is used as the washing water to be added to the washing operation, and the washing efficiency ratio decreases as the gold content of the washing water increases.
Factors affecting washing efficiency
According to the calculation formula of the washing efficiency, the factors affecting the washing efficiency include the washing grade, the concentration of the slurry fed to the washing operation, the slurry concentration of each stage of washing and discharging, the amount of washing water, the gold grade of the washing water, and the like. The description is as follows: