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MEI Online: Plant Operation News: Africa: February 5th 2004

 
 

Click for more info on Process Mineralogy '20

  

:: Caledonia Mining Installs G-Cell Technology at Barbrook

The Barbrook Mine is a recent revival of a greenstone mine extracting gold from carbonaceous sulphide veins running through the rugged mountainsides near the Swaziland borders of Mpumalanga, South Africa. Canadian listed Caledonia Mining Corporation has made the most of new technology in turning around the challenging mining venture. The reconfigured plant is operating at a capacity of 6,000 tonnes per month with head grades averaging 8g/t gold. In addition to pioneering a Resin-in-Leach adsorption plant designed by Mintek they recently installed an Imhoflot G-Cell to upgrade rougher flotation concentrates, which in turn drives improved recoveries and efficiencies of the oxidation and leach processes.


The G-Cell is an enhanced pneumatic flotation device utilising intensive pre-aeration and a centrifugal froth separator. With all aeration and process energy derived from the slurry pump delivery the benefits of the system include an extremely short residence time and absence of moving parts and instrumentation. The stainless steel G12 has a 1.2m diameter and a single pass capacity of up to 30m3/h. Simplicity of operation and low maintenance costs are added bonuses, considering the flotation plant has doubled concentrate grades and simultaneously improved recoveries.

 

Contact:
Maelgwyn Mineral Services Limited
4a Mostyn Street
Llandudno LL30 2PS
Wales, UK
Ph:+44 (0)1492 877357
Fax:+44 (0)1492 877368
info@maelgwyn.com

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