Direct Reduced Iron . Summary. The HBI plant in 2001. Also see "Iron in Western Australia" ... While BIF has a low iron content with its magnetic iron ore (magnetite), it can be readily enriched from 32 per cent iron to 70 per cent. ... Processing are being designed using fluidised bed reactors that avoid the .
Processing the Coal After coal comes out of the ground, it typically goes on a conveyor belt to a preparation plant that is located at the mining site. The plant cleans and processes coal to remove dirt, rock, ash, sulfur, and other unwanted materials, increasing the heating value of the coal.