In general, raw iron is initially extracted from mines in the form of hematite, magnetite, zeolite, limonite and siderite stones. Naturally, iron ore cannot be used in the same way as it is extracted from the mine. Therefore, after extraction, they are processed in factories. After the end of the process related to processing, iron ores are divided into three categories of granulated iron ore, concentrate and pellet. each of them has its own features.
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In general, raw iron is initially extracted from mines in the form of hematite, magnetite, zeolite, limonite and siderite stones. Naturally, iron ore cannot be used in the same way as it is extracted from the mine. Therefore, after extraction, they are processed in factories. After the end of the process related to processing, iron ores are divided into three categories of granulated iron ore, concentrate and pellet. each of them has its own features.
Types of granulated iron ore produced according to size:
Fine In the fine grain type, the dimensions of the grains are very small and their size is between 0 and 10 mm.
Lump In the lump type, the seeds are larger and their size is between 10 and 30 mm. The grade of these 2 is between 57 and 63%, but a grade of 42% has also been observed for it.
In most cases, iron ore is traded as Lump from the mine to the consumer, but in some cases the consumer requests fine grains for an additional fee.
Dealing the lump Iron ore has some disadvantage points including Extra weight of waste ore in shipping and stocking.
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