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Aug 05, 2011· Mining iron ore is a bit cheaper then any other method of getting iron. You dig, you throw in a bunch of chemicals and some heat at the ore, and now you have steel. Recycling steel is a bit less energy-intensive, but there is not enough recycled steel to satisfy our demands.

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What are the advantages and disadvantages of high silica in iron ore? If the ore is of less Alumina and High Silica what is the effect of it in the iron making? Blast Furnace

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However, there are some disadvantages of the iron ore cyclones except the advantages of high classifying rate and large capacity. Because of its large consumption of kinetic energy, when given the high pressure, it will be badly …

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The iron occur in Fe-mineral ores contains impurities of Phosphorus, sulphur and high alkali as well as impregnations of waste rock. To produce a metallurgy treatable concentrate the ore has to be grind for mineral liberation, enriched for concentration and dewatered for transportation.

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