Direct Iron Ore Smelting Process for Ironmaking …
Direct iron ore smelting DIOS process is a smelting reduction process for the production of hot metal liquid iron It is a two stage process which has been developed in Japan It uses non coking coal in a powder or granular form to smelt iron ore fines into liquid iron hot metal and hence there is no necessity of a coke ovens plant and a sintering plant The ore fines are pre reduced in