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MEI Online: Commodities: Metallic Ores: Iron: Latest News: October 13th 2010

 
 

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:: IsamillsTM to Process Magnetite

Xstrata Technology’s IsaMillsTM have been selected for the new magnetite processing circuit being developed at Xstrata Copper’s Ernest Henry Mine in Queensland, Australia. The new circuit is part of the planned upgrade at the minesite as it transforms its mining operations from open pit to underground mining.

 

The magnetite circuit at Ernest Henry Mine will involve processing the tailing from the existing copper concentrator, through regrinding and magnetic separation, to produce a high grade magnetite concentrate. The IsaMillTM will be required to grind the magnetite bearing material down to ~40µm, to enable a premium grade concentrate to be produced. Planned concentrate production is approximately 1.2 million tonnes of magnetite per annum for export to Asia.

Katie Barns, IsaMillTM Strategy Manager - Mineral Processing, Xstrata Technology, said that this was the first IsaMillTM to be selected for magnetite processing. "IsaMillsTM have transformed many base metal operations through its energy efficient grinding action, and we see this playing an important role in some parts of the iron ore industry, where there is a need to efficiently grind to fine sizes to enable saleable concentrates to be produced," she added.


 

John Twomey, Manager - Magnetite Project Xstrata Copper said that Xstrata Technology will be providing a M10,000 IsaMill™ package to the Ernest Henry site, which includes the IsaMillTM (powered by a 3MW motor), as well as feed and discharge pumpboxes, steel work and media addition system. The Installation of the mill at the site is planned for the first half of 2011.

The project is one of several being worked on by Xstrata Technology including the supply of two M3000 IsaMills™ for Xstrata Copper’s Antapaccay copper project in Peru, and three M1000 IsaMillsTM forming part of the regrind circuit for molybdenum processing at Thompson Creek Metals’ Endako project in North West Canada. There are almost 90 IsaMillsTM installed world wide.

 

 

   

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