Hematite and magnetite ore processing includes crushing, screening and grinding to produce hematite lumps and fines. Magnetite ore is further processed through magnetic separation, an important process in producing magnetite iron concentrate. Concentration includes all the processes that will increase the iron content of an ore by ...
4/4/2012· Perhaps the best illustration of this slow progress has been the history of the HIsmelt process, promoted by its proprietor as the worlds first commercial direct smelting process for making iron straight from the ore . Its history goes back to the development of bottom blown oxygen converters and combined steelmaking by Klöckner Werke in the early 1970s, and its key feature is the injection of coal and fine ore
9/3/2013· Sintering is a thermal process by which a mixture of iron ore, return fines, recycled products of the steel plant industry , slag forming elements, fluxes and coke fines are agglomerated in a sinter plant with the purpose of manufacturing a sintered product of a suitable chemical composition, quality
Pelletizing is a process which involves mixing of very finely ground particles of iron ore fines having a size which is less than 200 mesh with additives like bentonite and then shaping them into near oval/spherical balls having size in the range of 8 mm to 16 mm in diameter by a pelletizer and hardening the balls by firing with a fuel.