What are the challenges in dry grinding technology of ...- specification of dry grinding iron ore ,Dry grinding technology process offers significant advantages over conventional crushing and grinding technologies in ore beneficiation. Low specific energy consumption, compact design are some of ...Genesis Iron Ore ResourcesAustralia exports three distinct types of iron ore from its Pilbara mines. These are known as blended lump ore, blended fine ore, and Yandi (HIY) fines. These are known as blended lump ore, blended fine ore, and Yandi (HIY) fines.