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Test No.: F18 Project No.: 50149-001 Operator: YW Date: Dec 10 2011
Purpose: To try split flowsheet
Procedure: As outlined below.
Feed: 2 kg of minus 10 mesh of Master Composite
Grind:
Regrind:
Conditions:
88 minutes / 2 kg @ 65% solids in laboratory Ball Mill Target Primary grind: K80 = 50 µm.
Reagents added, g/t
Time, minutes
Stage Lime SIPX MIBC* CMC* DF250 PAX 3501 Grind Cond. Froth pH Eh
Grind 5 88
Rougher 1(High Cu Pre-float) 10 1 2 8.9 63.7
Rougher 2
Keep Rghr I,2 Conc. Separate for Cleaning
5 5 1 2 8.9 24.2
Rougher 3 10 5 1 4 8.8 24.5
Rougher 4 20 5 1 4 8.8 -15.5
Rougher 5
Combine Bulk Rghrs 3-5
30 1 8 8.7 17.5
Bulk cleaner 1 3 30 1 3 8.8 38.7
2 25 1 3 8.7 43.0
2 10 1 2 8.5 64.3
Bulk cleaner 1 scavanger
Combine Bulk Clnr 1 conc. & Bulk Clnr 1 scave conc.
10 1 4 8.5 -24.1
Bulk cleaner 2 5 60 6 8.7 43.5
Bulk cleaner 3
Clean Rougher 1 (Cu Pre-float)
5 10 4 8.4 74.3
Ro1-2 Cu Clnr 1 4 5 1 2 8.7 84.4
Ro1-2 Cu Clnr 2 140 1 1.5 10.8 -64.5
Ro1-2 Cu Clnr 3 (High Cu Conc.) 985 1 1 11.5 -108.3
Total 1125 91 35 140 0 0 88 12 46.5
Stage Roughers 1stClnr and Scav. 2nd, 3rd Cleaner *As needed
Flotation Cell
1000g-D12 500-g D12
250-g D12
Speed: rpm
1800
1600
1100
Assay for: Cu, Ni, Pt, Pd, Au, S, Fe, MgO
Metallurgical Balance Assay for: Ni(S) for Bulk rougher tail
Product
Weight
Assays, (Pt, Pd, Au g/t), (Cu, Ni, S, Fe, MgO %)
% Distribution
g % Cu Ni Pt Pd Au S Fe MgO Cu Ni Pt Pd Au S Fe MgO
Bulk Clnr 3 Conc. 15.3 0.8 1.34 4.02 7.10 2.68 0.33 19.7 29.2 2.74 2.9 6.8 13.5 4.7 5.2 5.1 1.7 0.1
Bulk Clnr 3 Tail 17.2 0.9 0.61 2.22 3.77 1.84 0.14 20.6 38.6 8.86 1.5 4.2 8.0 3.6 2.5 6.0 2.5 0.4
Bulk Clnr 2 Tail 85.6 4.3 0.25 0.76 1.44 0.78 0.07 10.1 22.6 17.8 3.1 7.2 15.3 7.7 6.2 14.5 7.3 3.5
Bulk Clnr 1 Scav.Tail 123 6.2 0.08 0.23 0.43 0.23 0.02 4.23 14.3 22.5 1.4 3.1 6.6 3.3 2.6 8.8 6.7 6.4
Bulk Rougher Tail 1554 78.4 0.04 0.11 0.14 0.07 0.02 1.51 12.0 22.7 8.0 18.9 27.0 12.5 32.3 39.5 70.8 81.2
Ro1-2 Cu Clnr 3 Conc. 6.6 0.3 28.4 0.46 1.82 13.20 1.72 29.5 28.4 2.79 26.9 0.3 1.5 10.0 11.8 3.3 0.7 0.0
Ro1-2 Cu Clnr 3 Tail 16.2 0.8 16.2 1.67 2.51 10.60 1.43 19.6 23.7 9.09 37.6 3.0 5.0 19.7 24.1 5.3 1.5 0.3
Ro1-2 Cu Clnr 2 Tail 36.9 1.9 2.27 5.03 1.59 4.96 0.19 9.21 15.7 18.5 12.0 20.5 7.3 21.0 7.3 5.7 2.2 1.6
Ro1-2 Cu Clnr 1 Tail 128 6.5 0.36 2.54 0.99 1.19 0.06 5.50 13.5 22.1 6.6 36.0 15.8 17.5 8.0 11.9 6.6 6.5
Head (calc.) 1984 100 0.35 0.46 0.41 0.44 0.05 3.00 13.3 21.9 100.0 100 100 100 100.0 100 100 100
(direct) 0.33 0.42 0.41 0.45 0.04 2.53 11.9 22.8
Bulk Rghr Tail Ni(S)= 0.06
Combined Products Ro1-2 Cu Clnr 1 Tail Ni(S)= 2.36
Product Weight
Assays, (Pt, Pd, Au g/t), (Cu, Ni, S, Fe, MgO %)
% Distribution
% Cu Ni Pt Pd Au S Fe MgO Cu Ni Pt Pd Au S Fe MgO
Bulk Clnr 3 Conc 0.8 1.34 4.02 7.10 2.68 0.33 19.7 29.2 2.74 2.9 6.8 13.5 4.7 5.2 5.1 1.7 0.1
Bulk Clnr 2 Conc 1.6 0.95 3.07 5.34 2.24 0.23 20.2 34.2 5.98 4.4 11.0 21.5 8.3 7.7 11.0 4.2 0.4
Bulk Clnr 1 + Clnr 1 Scav Conc 6.0 0.44 1.39 2.51 1.18 0.11 12.9 25.8 14.5 7.5 18.2 36.8 16.0 14.0 25.6 11.6 4.0
Bulk Rghr 3-5 Conc 12.2 0.26 0.80 1.45 0.70 0.07 8.46 19.9 18.6 8.9 21.3 43.4 19.3 16.5 34.3 18.3 10.3
Bulk Rghr Tail 78.4 0.04 0.11 0.14 0.07 0.02 1.51 12.0 22.7 8.0 18.9 27.0 12.5 32.3 39.5 70.8 81.2
Ro1-2 Cu Clnr 3 Conc.(High Cu Conc.) 0.3 28.4 0.46 1.82 13.2 1.72 29.5 28.4 2.79 26.9 0.3 1.5 10.0 11.8 3.3 0.7 0.0
Ro1-2 Cu Clnr 2 Conc. 1.1 19.7 1.32 2.31 11.4 1.51 22.5 25.1 7.27 64.5 3.3 6.5 29.7 35.9 8.6 2.2 0.4
Ro1-2 Cu Clnr 1 Conc. 3.0 8.94 3.61 1.87 7.40 0.70 14.3 19.3 14.2 76.5 23.8 13.8 50.7 43.2 14.3 4.4 2.0
Rghr 1-2 Conc 9.5 3.09 2.88 1.27 3.16 0.26 8.29 15.3 19.6 83.1 59.8 29.6 68.2 51.2 26.2 10.9 8.5
Rghr 1-5 Conc 21.6 1.50 1.71 1.37 1.78 0.15 8.38 17.9 19.0 92.0 81.1 73.0 87.5 67.7 60.5 29.2 18.8