Oxidation of gold ores and tailings heap leaching production test use, stable performance, good effect.

1. Raw ore heap shower:

The original mine 3200 square ore (pine), the average grade of 0.46 g / ton. Add 45 tons of lime evenly in the heap, and dissolve 300 kg of gold in the spray pool. From mining, mining to installation of spray equipment for 20 days, spray for 30 days, get 1342 grams of gold, leaching rate of 91%.

Input and output: Production direct investment (except land rent) 92,800 yuan, of which 12,000 yuan is the cost of spraying equipment. 1342 grams of gold worth 1342 × 295 = 395,890 yuan.

2. Tailings turn over:

Tailings mine: 8100 square ore with an average grade of 0.21 g/t. In the tumbling, 80 tons of lime was stirred and sprayed for 35 days to obtain 1045 grams of gold, and the leaching rate was 61%.

Input and output: Direct investment (in addition to land lease fees) 161,100 yuan, of which 26,000 yuan for sprinkler equipment costs. 1045 grams of gold worth 1045 × 295 = 308,275 yuan.

Spraying 1 Spraying 2 sprays 3 Precious liquid pool 1 noble liquid pool 2 Tailings treatment

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