Iron processing | BritannicaThere is evidence that meteorites were used as a source of iron before 3000 bc, but extraction of the metal from ores dates from about 2000 bc. Production seems to .. The blast furnace, however, requires lumps between 7 and 25 millimetres, so the ore must be crushed to reduce the maximum particle size. Crushed ore is.iron ore crushed equipmentries second hand,Iron ore - WikipediaOres containing very high quantities of hematite or magnetite (greater than about 60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% of the.
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BASICS IN MINERAL PROCESSING. CONTENT. Introduction. 1. Minerals in operation. 2. Size reduction. 3. Crushing. Grinding. Size control. 4. Screening. Classification .. 6:62. Major process equipment components of iron ore pellet plant ... goal is to produce rock or (more seldom) mineral fractions to be used as rock fill.
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Vale is the world's leading producer of iron ore and pellets. . The pellets are used in the production of steel which is used in the construction of bridges, cars, planes, bicycles, appliances and much more. . On top of this, the ore needs to be strong enough not to be crushed thereby obstructing the blast furnace.