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:: Spirals Go West
150 spiral starts have recently been manufactured at Roche Mining (MT)’s Carrara factory for Tiwest Joint Venture’s North Mine in Cooljarloo, one of the largest titanium mines in the world, approximately 170km north of Perth.
Glen Zille, Roche MT’sGeneral Manager, said the North Mine Concentrator has been operational since 1998 using existing older spiral technology in part of the circuit. However initial testwork performed by Roche MT indicates the MD spirals will provide the operation with improved productivity.
"Tiwest personnel used Roche MT’sMG4 spirals on site to perform comparative testwork against the existing spirals,"said Glen. "The testwork, which was completed mid-2003, showed the installation of the MG4 spirals could provide a significant increase in overall plant recovery," he said.
Tiwest placed an order in January for three banks of 10 MG4CF triple start spirals in the Middlings Circuit, one bank of 8 MG4CF triple start spirals in the Cleaner Scavenger Circuit and one bank of 12 MG4CF triple start spirals for an additional bank of Roughersto the existing circuit.
The spirals have been fabricated at the Carrara facility for delivery to site in late April. The MG4CF spiral has proven its success in the industry in rougher, middlings and scavenger duty applications in the mineral sands industry.
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