DIMENSIONAMIENTO DE LAS COLUMNAS DE CARBON

YANACOCHA ANDRES OTOCA COMARSA

Capacidad de diseño m3/h 1248 200 200 200 8 150 320Columnas por tren (en serie) 5 3 3 3 3 3Numero de trenes ( en paralelo) 3 1 1 1 1 1 1Flujo de Solucion por tren m3/h 416 200 200 200 8 150 320Flujo de Solucion por tren gpm 1831.61 880.58 880.58 880.58 35.22 660.44 1408.93Velocidad de la soluc en la columna feet/seg 0.075 0.075 0.075 0.075 0.075 0.075 0.075

m/h 82.230 82.230 82.230 82.230 82.230 82.230 82.230diametro de la columna d2=gpm*0.4085/vel pulg 99.921 69.283 69.283 69.283 13.857 60.000 87.636

diametro de la columna d2=gpm*0.4085/vel m 2.54 1.76 1.76 1.76 0.35 1.52 2.23Con dos planchas sacamos un diametro de: m 2.40 2.40

feet 7.87 5.77 5.77 5.77 1.15 5.00 7.30Area de la columna m2 4.52 2.43 2.43 2.43 0.10 1.82 3.89Area de la columna feet2 48.69 26.18 26.18 26.18 1.05 19.64 41.89Flujo especifico gpm/feet2 37.61 33.64 33.64 33.64 33.64 33.64 33.64

Peso de Carbon por Columna t 2 3 2.5 2 0.055 1.15 2.9Densidad aparente del carbon t/m3 0.47 0.47 0.47 0.47 0.47 0.47 0.47volumen carbon m3 4.255 6.383 5.319 4.255 0.117 2.447 6.170altura inicial Ho m 0.941 2.624 2.187 1.750 1.203 1.341 1.586Expansión del carbon (experimental) % 1.5 1.5 1.5 1.5 1.5 1.5 1.5Expansion (operación YANACOCHA) % 1.9 1.9 1.9 1.9 1.9 1.9 1.9

altura de la columna H expandido m 1.79 4.99 4.16 3.32 2.29 2.55 3.01altura de la columna Hexp feet 6 16 14 11 7 8 10Volumen de Columna m3 8.085 12.128 10.106 8.085 0.222 4.649 11.723

%volumen 53% 53% 53% 53% 53% 53% 53%Volumen solucion PLS neto m3 3.830 5.745 4.787 3.830 0.105 2.202 5.553

tiempo de residencia hr 0.009 0.029 0.024 0.019 0.013 0.015 0.017

tiempo de residencia min 0.55 1.72 1.44 1.15 0.79 0.88 1.04tiempo de residencia seg 33.1 103.4 86.2 68.9 47.4 52.9 62.5

PERFOMANCE DE ADSORCION Au ( 200M3/H )LEYSHONFlujo Sol ton Carbon Solucionm3/h Carbon g/t g/m3

Tank 1 220 3.1 3,200 9,920 2.000 440.000Tank 2 220 2.8 1,600 4,480 0.950Tank 3 220 2.6 640 1,664 0.400Tank 4 220 2.0 215 430 0.200

Tank 5 220 1.5 115 173 0.1000.050

16,667 1056021120

Temperatura de la solucion = 26ºCRecuperacion Au de la solución = 97.5Recuperacion Ag de la solución = 73.3

hr hr1 36 ley g/m3

Flujo Sol ton Carbon Solucion150 0.130

Tank 1 150 2000 10.2375 368.55 0.062Tank 2 150 2000 5.3625 193.05 0.026Tank 3 150 2000 1.95 70.2 0.013Tank 4 150Tank 5 150

cada 3 dias se cosecharia una columna de 2,000 kg de carbon con 368.55 gr Au

PERFOMANCE DE ADSORCION Au ( 200M3/H )LEYSHON PERFOMANCE DE ADSORCION Ag%Efficiencia %promedio Carbon Solucion %Efficiencia %promedio

g/m32,980 3.000

52.5% 2,160 2.850 5.0%57.9% 2,080 2.250 21.1%50.0% 1,190 1.700 24.4%

50.0% 865.0 1.200 29.4%50.0% 52.1% 0.800 33.3% 22.6%

20486

oro en%Efficiencia solucion

52.5% 19.50057.9% 9.26350.0% 3.90050.0% 1.95050.0%

BUFFELS BED TAPPINGS CIP GOLD ADSORTION TRAIN ( g Au/t)BATCH 245 BATCH 245

Carbon Solucion %Efficiencia Carbon SolucionTank A 14,658 3.810 13,572 2.490Tank B 6,308 0.845 77.8% 5,353 0.82

Tank C 2009 0.162 80.8% 1679 0.198Tank D 801 0.033 79.6% 701 0.039Tank E 399 0.010 69.7% 324 0.013Tank F 195 0.004 60.0% 405 0.014

GOLD LOADING PROFILE MOUNT MORGANS CARRUSELBATCH 245

Carbon Solucion %EfficienciaTank 1 3,010 2.530Tank 2 1,180 1.030 59.3%Tank 3 870 0.390 62.1%

Tank 4 530 0.140 64.1%Tank 5 500 0.040 71.4%Tank 6 250 0.020 50.0%

BUFFELS BED TAPPINGS CIP GOLD ADSORTION TRAIN ( g Au/t)BATCH 245

%Efficiencia

67.1%

75.9%80.3%66.7%

PLANTA PILOTO MT BONNIECarbon Solucion %Efficiencia

Tank 1 510 2.900Tank 2 224 1.700 41.4%Tank 3 75 0.700 58.8%Tank 4 28 0.200 71.4%Tank 5 5.5 0.020 90.0%Tank 6 0.5 0.015 25.0%

PERFOMANCE DE ADSORCION ORO CENTRAL NORSEMAN PERFOMANCE DE ADSORCION AgCarbon Solucion %Efficiencia Carbon

Tank 1 4,980 3.880 3,500Tank 2 2,620 1.620 58.2% 3,040Tank 3 1,570 0.610 62.3% 2,350Tank 4 570 0.220 63.9% 1630

Tank 5 360.00 0.070 68.2% 970.0Tank 6 160 0.025 64.3% 620Tank 7 90 0.008 68.0% 250

PERFOMANCE DE ADSORCION AgSolucion %Efficiencia

2.8902.090 27.7%1.310 37.3%0.460 64.9%

0.240 47.8%0.130 45.8%0.250 -92.3%

PERFOMANCE DE ADSORCION ORO CENTRAL SURVEY TENORA PERFOMANCE DE ADSORCION Ag

Carbon Solucion %Efficiencia %promedio Carbon Tank 1 3.76 0.100 2.90Tank 2 0.96 2.680 2.80Tank 3 0.54 2,350 0.720 73.1% 2.40 3,650Tank 4 0.46 1,100 0.200 72.2% 1.90 3,100

Tank 5 0.42 445 0.080 60.0% 1.80 1,750Tank 6 0.40 280 0.040 50.0% 1.60 900Tank 7 0.46 262 0.015 62.5% 63.6% 1.60 550

Au en residuo (g/t)

Ag en residuo(g/t)

PERFOMANCE DE ADSORCION Ag

Solucion %Efficiencia %promedio

5.2203.820 26.8% 6,0002.580 32.5%

1.460 43.4%0.880 39.7%0.440 50.0% 38.5%

Carbon Au+Ag (g/t)

PERFOMANCE DE ADSORCION ORO PAJINGO PERFOMANCE DE ADSORCION Ag

pHCarbon Solucion

Tank 1 0.003 9.6 6.2 nil 1.16 19.0Tank 2 0.005 10.6 2.5 nil 4.64 13.0Tank 3 0.056 10.9 1.5 21 1,375 1.06 77.2% 8.0Tank 4 0.052 10.7 0.9 16 390 0.32 69.8% 1.0

Tank 5 0.051 10.6 0.8 16 94 0.05 84.4% 3.0Tank 6 0.043 10.1 0.7 17 43 0.02 60.0% 3.0Tank 7 0.041 10.1 0.7 17 24 0.01 50.0% 68.3% 2.0Tank 8 0.039 10.1 0.7 15 14 0.01 0.0% 56.9% 2.0

PERFOMANCE DE ADSORCION ORO PAJINGO PERFOMANCE DE ADSORCION Ag

pHCarbon Solucion

Tank 1 0.003 9.6 8.15 0.01 22.0Tank 2 0.005 10.6 1.72 5.56 5.0Tank 3 0.056 10.9 1.01 3,035 2.04 63.3% 4.0Tank 4 0.052 10.7 0.89 678 0.80 60.8% 2.0

Tank 5 0.051 10.6 0.67 334 0.14 82.5% 2.0Tank 6 0.043 10.1 0.65 120 0.05 64.3% 1.0Tank 7 0.041 10.1 0.69 114 0.02 60.0% 66.2% 1.0Tank 8 0.039 10.1 0.64 59 0.02 0.0% 55.1% 1.0

NaCN%w/v

Au en residuo (g/t)

carbon g/l

%Efficiencia

%promedio

Ag en residuo(g/t)

NaCN%w/v

Au en residuo (g/t)

carbon g/l

%Efficiencia

%promedio

Ag en residuo(g/t)

PERFOMANCE DE ADSORCION Ag

Carbon Solucion4.000

13.8003,680 7.100 48.6% 5,0551,870 3.000 57.7% 2,260

930 1.500 50.0% 1,024160 0.600 60.0% 203240 0.300 50.0% 53.3% 264190 0.200 33.3% 49.9% 204

PERFOMANCE DE ADSORCION Ag

Carbon Solucion0.10

15.2013.40 11.8% 3,03512.20 9.0% 678

9.60 21.3% 3345.50 42.7% 1202.90 47.3% 26.4% 1141.70 41.4% 28.9% 59

%Efficiencia

%promedio

Carbon Au+Ag (g/t)

%Efficiencia

%promedio

Carbon Au+Ag (g/t)