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Wellgreen Project Preliminary Economic Assessment ... - OTCIQ.com

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Test: LCT-2 <strong>Project</strong> No.:50149-001<br />

Operator: YW & Max Date:<br />

Purpose: To conduct a Locked Cycle Test on Master <strong>com</strong>posite<br />

Procedure: As outlined below.<br />

Feed: 6 x 2 kg of minus 10 mesh master <strong>com</strong>posite.<br />

Grind: 57 minutes / 2 kg @ 65% solids in laboratory Ball Mill Rghr Tail F K 80 = 114 µm<br />

Regrind: N/A Cln 1 Tail K 80 = 38 µm<br />

Conditions: Cycle A and B:<br />

Reagents added, g/t<br />

Time, minutes<br />

Stage 3477 SIPX MIBC* CMC Guar Gum DF 250 4037 Grind Cond. Froth pH Eh<br />

Grind 10 - - - - - 57<br />

05-Apr-12<br />

Condition - - - - - - 1 9.3 190.0<br />

Rougher 1 - - 10 - - - 1 2 9.3 182.0<br />

Rougher 2 - 5 5 - - - 1 2 9.2 158.0<br />

Rougher 3 - 10 5 - - - 1 4 9.2 150.0<br />

Rougher 4 - 20 5 - - - 1 6 9.1 134.0<br />

Use Rghr Tail F<br />

Magnetic separation(Cycle F)<br />

Regrind Mag. Conc. 20 20<br />

Mag. Rougher float 1 4<br />

1st Cleaner - 5 24 24 1 8 8.8 68.2<br />

2nd Cleaner - - 5 12 12 1 6 8.6 85.1<br />

3rd Cleaner - - 5 2.5 2.5 1 4 8.4 89.2<br />

Use 1st Clnr Tail (CycleF)<br />

Regrind 20 20<br />

1st Clnr Regrind Float 1 4<br />

Total 10 40 35 39 39 40 97 10 40 . .<br />

240 210 231 231<br />

Stage<br />

Roughers 1stClnr and Scav. 2nd, 3rd Cleaner<br />

Flotation Cell 1000g-D12 500-g D12 250-g D12<br />

Assay for: Cu, Ni,S, Pt, Pd, Au, Fe, MgO<br />

Speed: rpm<br />

1800<br />

1600 1100<br />

PSA Tails F

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