Industrial Minerals - International Nickel Study Group

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Technology TrendsAtmospheric Leach• Technology has not been demonstrated• Possible niche applications• Combined HPAL & AL possible• Capital costs are high ~80% of HPAL• Operating costs are similar to HPAL• Project economics questionable• Unlikely to succeed unless there is a step changein costsINSG April 2010Malachite Process Consulting
Technology TrendsHeap Leach• Technology is currently being demonstrated• Ore type critical for heap permeability• Site specific conditions important• Acid – key capital and operating cost driver• Operating costs – lower than HPAL• Capital costs – significantly lower than HPAL• Offers market entry by small companies• Will take time to achieve widespread acceptanceINSG April 2010Malachite Process Consulting
Page 1 and 2: INSG Environmental & Economics Sess
Page 3 and 4: Laterite Hydromet OptionsCaron proc
Page 5 and 6: Heap LeachCommitted Projects• Non
Page 7 and 8: HPAL FailuresCawseComments:• Neve
Page 10 and 11: HPAL SuccessesCoral Bay• Achieved
Page 12 and 13: HPAL Costs (Normalised)ProjectCount
Page 14 and 15: Why Heap Leaching?Positives• Proc
Page 16 and 17: NTUA - GreeceDemonstration Plant•
Page 18 and 19: NTUA - GreeceINSG April 2010Malachi
Page 20 and 21: Balkan Laterites (Greece)INSG April
Page 22 and 23: Balkan Laterites (Turkey)INSG April
Page 24 and 25: INSG April 2010Malachite Process Co
Page 28 and 29: Two productsFirst Nickel Product (F
Page 30 and 31: Demonstration Heap• Ore crushing
Page 34 and 35: Murrin MurrinGrowth Targets• 400,
Page 36 and 37: Murrin MurrinINSG April 2010Malachi
Page 38 and 39: Níquel do Piauí - BrazilDemonstra
Page 40 and 41: Níquel do Piauí - BrazilINSG Apri
Page 42 and 43: Economic ComparisonParameterHPALHLN
Page 44 and 45: Technology TrendsNi Pig Iron• Wel
Page 48: www.malachiteconsulting.comBruce We

Industrial Minerals - International Nickel Study Group

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