what's happening in copper hydromet - ALTA Metallurgical Services

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

FCX MORENCY AUTOCLAVES 24
TANK BIO-OXIDATION • Uses extreme thermophile bio-oxidation in atmospheric agitated tanks at up to 70-80 o C. • Oxygen and nutrients are added. Oxygen efficiency is about 80%. • Liquid/solids separation/washing of the leach pulp is by CCD/filtration. • Copper recovery is via conventional SX/EW. • There is potential for maximizing acid production for leaching of associated oxide ore, if available. • BioCOP Process is being developed by BHP Billiton. • A BioCOP semi-commercial plant was built near Chuquicamata, Chile, by BHP Billiton/Codelco to treat chalcopyrite/enargite concentrate in 2003. Plans for a commercial facility did not proceed, reportedly due to high costs and engineering issues. • Bactech/Mintek have developed a process using moderate thermophiles at 45-50 o C with ultrafine grinding up to demo. plant scale. 25
Page 1 and 2: WHAT’S HAPPENING IN COPPER HYDROM
Page 3 and 4: KEY DRIVERS • The emergence of SX
Page 5 and 6: CHALLENGES • High energy consumpt
Page 7 and 8: AREAS OF DEVELOPMENTS • A resurge
Page 9 and 10: TENKE FUNGURUME FLOWSHEET, FCX, DRC
Page 11 and 12: AGITATED TANK ACIDIC FERRIC SULPHAT
Page 13 and 14: SEPON OPERATION, MMG, LAOS 13
Page 15 and 16: MINTEK TEST HEAP AT DAREHZARE MINE,
Page 17 and 18: HIGH TEMPERATURE PRESSURE OXIDATION
Page 19 and 20: HIGH TEMPERATURE PRESSURE OXIDATION
Page 21 and 22: MEDIUM TEMPERATURE PRESSURE OXIDATI
Page 23: FCX MORENCI PROCESS FLOWSHEET 23
Page 27 and 28: SEMI-COMMERCIAL BIOCOP PLANT, CHILE
Page 29 and 30: GALVINOX PROCESS FLOWSHEET 29
Page 31 and 32: ALBION PROCESS • Involves atmosph
Page 33 and 34: CHLORIDE PROCESSES • Chloride lea
Page 35 and 36: SOLVENT EXTRACTION & ELECTROWINNING
Page 37 and 38: OUTOTEC EW CELL COVERS 37
Page 39: Upcoming Short Courses Copper Hydro

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