laterites - ALTA Metallurgical Services

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$developments in the processing of refractory & complex gold ores$

EPAL PROCESS FLOWSHEET(Ref: Ravensthorpe Presentation at <strong>ALTA</strong> 2005)16
ISSUES WITH EPAL PROCESS• It retains the disadvantages of PAL for the limonite ore portionof the flowsheet.• It is relatively complex, with two different leach processes.17
Page 1: LATERITES - STILL A FRONTIER OFNICK
Page 4 and 5: CARON PROCESS• It is not a new pr
Page 6 and 7: CURRENT CARON INSTALLATIONSPlant St
Page 8 and 9: ISSUES WITH CARON FLOWSHEET• It h
Page 10 and 11: PAL PROCESS (cont.)• Since then,
Page 12 and 13: CURRENT PAL INSTALLATIONS(Excluding
Page 14 and 15: ISSUES WITH PAL PROCESS• The capi
Page 18 and 19: DEVELOPING PROCESSES USINGSULPHURIC
Page 20 and 21: STANDALONE AL• Standalone AL has
Page 22 and 23: ISSUES WITH AL• It generally has
Page 24 and 25: CALDAG HL DEMONSTRATION PLANT(Ref:
Page 26 and 27: ISSUES WITH HL• Laterites frequen
Page 28 and 29: ADVANTAGES OF SULPHURIC ACID BASEDL
Page 30 and 31: DEVELOPING PROCESSES USING CHLORIDE
Page 32 and 33: NEOMET PROCESS FLOWSHEET(Ref: Neome
Page 34 and 35: DEVELOPING PROCESSES USING NITRICLE
Page 36 and 37: DNi PROCESS FLOWSHEET(Ref: Direct N
Page 38 and 39: SUMMARY OF PRESENT STATUS FORPROCES
Page 40 and 41: The field is still wide openThere i

laterites - ALTA Metallurgical Services

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