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LIBERATION, SEPARATION,
     EXTRACTION

STAGE 1 - Blasting
STAGE 2 - Primary Crushing
STAGE 3 - Secondary Crushing
STAGE 4 - Grinding
STAGE 5 - Separation by size
STAGE 6 - Separation by values
STAGE 7 - Extraction of Values
Process design

 Geology          Industrial processes    Process routes
                                                Feed


                                              Primary
                                             Crushing



             Project                         Secondary
                                              Crushing
                                                             SAG Milling




             context                                          Ball Milling



                                                               Gravity       To smelting
                                            Thickening
                                                             Concentration



                                            Pre-aeration



              ?
Mineralogy
                                             Carbon-in-


                          Technological        leach



                                               Elution


                          tests             Electrowinning




                                              Smelting




                                               GOLD
Feed



                   Primary
                   Crushing



                  Secondary
                   Crushing




Placer ore                      Ball Milling




                                  Gravity
                  Thickening                   To smelting
                               Concentration




• Processamento    Flotation


  Físico (ouro)
                   Smelting




                    GOLD
Planta Secondaria de Britagem
Gyratorio Britador
Britador de Mandibula
Symons Cone Crusher
Cone Crusher Liners
Alternate Secondary Crushing Plant Design
Open Circuit Crushing
Moinhos de Bolas
Grinding Mills
Bingham Canyon Grinding Mills
Grinding and Cyanide Leaching




             Musslewhite Mine, Ontario
Classificação
Fluxograma da Samarco - Minério de Ferro
Bond Work Index Formula
Separadores magnéticos
Câmaras e Pilares



Room and Pillar Mining Method
Surface coal mining operations, loading coal and
                     loading waste rock, South Eastern B.C.
                     .




Cable shovel, front end loaders,off-
highway truck, bulldozers,
supervisor’s truck
Separation Circuit
Celula de Flotação
Downstream Processing
• Copper
  – Oxide copper treatment
Heap Leach Operation
Installing a Plastic Membrane Liner
Zaldivar Copper Heap Leach
Downstream Processing
• Complex Copper Sulfide ore
  – Multiple-product Circuit
Downstream Processing
• Copper
  – copper/molybdenum ore
Downstream Processing
• Copper
  – Mixed Sulfide/Oxide Treatment
Downstream Processing
• Copper/Gold ore
  – Typical Mine/Mill Treatment
The Price of Gold since 1975
The "Real" Price of Gold since 1344
Dissolution of Gold in Cyanide

         Elsner's Equation
Precipitation of Au from Solution
Downstream Processing
• Gold processing options
Downstream Processing
• Nickel
  – Typical Mine/Mill Treatment
Downstream Processing
• Nickel
  – Matte Separation processing
Copper Anode Casting Wheel
Downstream Processing
• Uranium Ore processing
Downstream Processing
• Coal processing
Downstream Processing
• Coal processing
Downstream Processing
• Coal processing
Downstream Processing
• Coal processing
Downstream Processing
• Coal processing
Gold Flakes
Smelting Gold
Campbell Mine, Ontario
Pouring Slag
Musslewhite Mine, Ontario
Pouring Gold Bullion Bars
What its all about!
    Gold Bullion

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Lectureon liberation separation extraction