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Sulphuric Acid on the WebTM Technical Manual DKL Engineering, Inc.

 

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Introduction
General
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Used Plants

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Acid Plant Database November 17, 2007

Owner BHP Billiton - Olympic Dam
Background Formerly Western Mining Corporation - WMC
Location Roxby Downs, South Australia
Australia
Website www.bhpbilliton.com
Plant Olympic Dam
Coordinates* 30º 26' 40" S, 136º 51' 45" E
Type of Plant Metallurgical
Gas Source Cu - Outotec Flash Furnace
Plant Capacity  
SA/DA  
Status Operating
Year Built  
Technology  
Contractor  
Remarks

 

General The Olympic Dam underground mining operation is highly mechanised, with automated rail transportation and underground crushing. The primary method of ore extraction is long hole open stoping with cemented aggregate fill. This method allows for large equipment to achieve high productivity and maximum ore recovery.

Ore is hoisted to the surface where it is fed to one of two grinding circuits. After grinding, the resultant slurry passes to a flotation circuit where a series of flotation stages and a further regrinding activity produce a copper concentrate. The concentrate then passes through a leaching circuit which is principally designed to extract uranium from the copper minerals. Uranium is extracted in a solvent extraction plant, producing yellow-cake, which is subsequently calcined to produce uranium oxide concentrate and then packaged in drums for export sales.

After drying, copper concentrate is fed to an Outokumpu flash furnace smelter, which produces blister copper and flash furnace slag. Blister copper is transferred to anode furnaces for fire refining. Anode copper is transported to the refinery where the ISA electro-refining process is used to produce copper cathodes. The slimes from this process are treated separately to recover gold and silver.

Pictures

MTPD - Metric Tonne per Day           STPD - Short Ton per Day
MTPA - Metric Tonne per Annum      STPA - Short Ton per Annum
SA - Single Absorption
DA - Double Absorption
 

* Coordinates can be used to locate plant on Google Earth   
 

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