The apparatus for processing mineral ore grade (g / t) = the amount of gold-containing ore treated (g) / ore processing (tons)
Concentrate grade: refers to the average gold content per ton of concentrate, which is an indicator reflecting the quality of concentrate. The formula is: concentrate grade (g / ton) = concentrate gold content (g) / concentrate quantity (ton)
Concentrate yield: refers to the percentage of concentrate produced as a percentage of the original ore, which is an indicator of the quality of the concentrator.
The calculation formula is: concentrate yield (%) = concentrate quantity (ton) / raw ore quantity (ton) × 100%
Tailings grade: refers to the gold content in the tailings discarded by the ore dressing, the average gold content per ton of tailings. It is an indicator of the extent of metal loss during the beneficiation process. The calculation formula is:
Tailings grade (g / ton) = tailings gold content (g) / tailings quantity (tons)
Tailings (tons) = treated raw ore (tons) - concentrate (tons)
Mineral recovery rate: refers to the percentage of the gold content of the final product obtained by various mineral processing methods as a percentage of the gold content of the treated ore. Calculated according to theoretical and actual recovery rates.
Mineral processing theoretical recovery rate (%) = concentrate grade × (original grade - tailing grade) / (original grade × (concentrate grade - tailing grade)) × 100% = theoretically recovered metal amount (g) / treated raw ore Metal amount (g) × 100%
Actual recovery rate of mineral processing (%) = gold content of gold concentrate (g) / gold content of raw ore (g) × 100% (flotation recovery rate)
Leaching rate: refers to the percentage of metal that has dissolved gold by leaching operation as a percentage of the amount of cyanogen ore metal.
The calculation formula is: leaching rate = metal amount of dissolved gold (g) / cyanogen metal amount (g) × 100% = (cyanogen metal amount (g) - leaching metal amount (g)) / cyanogen metal amount (g) × 100%
Washing rate: refers to the percentage of gold in the precious liquid as a percentage of the amount of metal leached into the dissolved gold.
The calculation formula is: washing rate (%) = gold content of the noble liquid (g) / amount of metal leaching the dissolved gold (g) × 100% = (the amount of cyanogen metal (g) - the amount of leaching metal (g) - drain Metal amount (g)) / (Cyanogen metal amount (g) - leaching metal amount (g)) × 100%
Displacement rate: refers to the percentage of the gold content of the gold sludge precipitated by displacement of the precipitate to the gold content of the noble liquid.
The calculation formula is: replacement rate (%) = gold mud gold content (g) / precious liquid gold content (g) × 100%
Cyanide recovery rate: refers to the percentage of gold contained in cyanide gold mud as a percentage of gold content in cyanogen ore. The calculation formula is:
Cyanide recovery rate (%) = gold mud gold content (g) / cyanogen ore gold content (g) × 100% = leaching rate (%) × washing rate (%) × replacement rate (%)
Cyanide gold mud smelting recovery rate: refers to the percentage of combined gold content in smelting after accounting for cyanide gold mud.
The calculation formula is: smelting recovery rate = total gold content (g) / gold content (g) × 100%
Cyanide smelting recovery rate: refers to the percentage of the total gold content of the final product of the cyanide plant as a percentage of the gold content of the cyanogen.
The calculation formula is: cyanide smelting recovery rate = total gold content (g) / cyanogen content (g) × 100% = cyanide recovery rate (%) × gold mud smelting recovery rate (%) = leaching rate (%) × Washing rate (%) × replacement rate (%) × gold mud smelting recovery rate
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