concentrate : The raw iron ore extracted from the mine cannot be used with the same basic composition. Therefore, steps must be taken to process the iron ore and separate it from the existing impurities. To process this raw material, it is turned into concentrate or granulated iron ore. In fact, iron concentrate is one of the secondary products of raw iron ore, which is in the form of black powder. They use this method to increase the quality and grade of extracted iron ore. Also, iron concentrate is one of the raw materials in the production of sponge iron pellets and briquettes.