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Ulan Coal Mine In Pit Crusher Iran

Secondary coal extraction, utilising longwall mining methods, operates a longwall width of approximately 400 metres. The first 400m wide longwall operation commenced at UCML in 2005, which was the first of its kind in the Southern Hemisphere. Removing the bottom 3 metres of the Ulan Seam reduces the need to wash the coal approximately 30 of ...

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