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iron ore magnetic separator ball mill gold iron ore

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iron ore magnetic separator ball mill gold iron ore

Jan 13, 2010· Probably the biggest financial failure of Edison's career was themagnetic ore-separator. The idea, which Edison's laboratory experimented with during the 1880s and 1890s, was to use magnets to separateiron orefrom unusable lower-grade ores. This would mean that abandoned mines could be profitable once again through the extraction ofiron...

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