List of bioleaching or biooxidation plants

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Metal Leaching method Technique Plant Size (t ore/day) Owner Concentration (%Me) Period of operation Scale
Cu Heap   Lo Aquirre, Chile 16 000 Sociedad Minera Pudahel 1,5 1980-1996 Commercial
Cu Heap   Mt. Leyshon, Australien 1370 Normandy Poseidon 0,15 1992-1995 Commercial
Cu Heap   Cerro Colorado, Chile 16 000 Rio Algom 1,4 1993- Commercial
Cu Heap   Girilambone, Australia 2000 Straits Resources About 3 1993- Commercial
Cu Heap   Ivan, Chile 1500 Glamis Gold 2,1 1994- Commercial
Cu Heap   Quebrada Blanca, Chile 17 300 Cominco 1,3 1994- Commercial
Cu Heap   Andacollo, Chile 16 000 Dayton Mining 1 1996- Commercial
Cu Heap   Dos Amigos, Chile 3000 Cemin 2,5 1996- Commercial
Cu Heap   Zaldivar, Chile 20 000 Placer Dome 1,4 1996- Commercial
Cu Heap   ACL Chuquicamata, Chile         Commercial demonstration
Polymetallic heap   Penoles, Mexico         pilot
Nickel heap   BioNIC, South Africa         Pilot
Ni and Cu heap   Radio Hill, west Australia   Titan Resources NL      
Zn (Sphalerite) heap GEOCOAT® Namibia   Kumba resources and Geobiotics Inc.      
Au Tank BIOX® Fairview, South Africa 43     1986-, expanded 1991, 1999 Commercial
Au Tank BIOX® Sao Bento, Brazil 150     1992-, expanded 1994, 1998 Commercial
Au Tank BIOX® Harbour Lights, Australia 40     1992-1994 Commercial
Au Tank BIOX® Wiluna, Australia 158     1993, expanded 1996 Commercial
Au Tank BIOX® Ashanti Sansu, Ghana 1000     1994- Commercial
Au Tank BACOX® Youanmi, Australia 120     1994-1998 Commercial
Au Tank BIOX® Tamboraque, Peru 60     1998- Commercial
Au Tank BACOX® Beaconsfield, Tasmania 3,2 ton Au/year     2000- Commercial
Au Tank BACOX® Laizhou, China 2 ton Au/year     2001- Commercial
Co (from a cobaltic pyrite) Tank   Kasese, Uganda 90 000 Kasese Cobalt Company Ltd 1,38%, Co (in stockpiles and tailings from previous operation) 1998-?  

Source:[1] [2]


  1. Conference proceedings BIOMINE 1999
  2. Päivi Kinnunen: “High-rate ferric sulfate generation and chalcopyrite concentrate leaching by acidophilic microorganisms”, TTY, TkT 2004.
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