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MEI Online: Commodities: Metallic Ores: Iron: Latest News: April 22nd 2008


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:: Australian Fortescue to use six Modern allflux® Fluidised Bed Separators in Iron Ore Production

This year, west-Australian mining company Fortescue Metals is set to start iron ore production in the Pilbara region using allmineral technology.

Fortescue trusts allmineral’s future-proof technology for efficient sorting and classification of the iron ore: six modern allflux® fluidised bed separators will start operation this spring in Cloud Break in northwest Australia. Each has the capacity to clean, sort and classify 170 tons of iron ore per hour with particles < 2mm.

The allflux® process is based on the fluidised bed principle. An upward stream is generated in the coarse sand chamber that causes fine and light particles to rise, while large, heavy particles sink and are removed as ready-made concentrate. In the peripheral fine-sand chamber a pre-concentrate is generated that is cleaned on spirals. The allflux® overflow contains only the finest slurry and coarser light particles.

allflux® fluidised bed separators are built for through-put performances from 20 to 2,000 m3/h. The upper grain sizes are between 2 and 4mm. The current and control features allow the generation of three finely-separated, classified products by a single machine unit.

Fortescue Materials opted for allmineral’s technology because of the years of positive experiences with allflux® fluidised bed separators in the South African iron ore industry and convincing results of pilot runs. allmineral’s technology completely fulfils the company’s process-related demands and offers considerable advantages relating to investment and operating costs.




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