what is briquette technology in iron ore fines

Apr 26, 2021 Hot-briquetted iron HBI is a compacted form of direct reduced iron or Iron ore fines that have been subjected to a reducing atmosphere, passivated for transportation and compressed into briquettes and featuring a metallic iron content of 85-85.5 percent carbon, 0.6-0.7 percent carbon total iron content 91.5-92 percent, .01 percent sulfur, .07 percent phosphorus and 5-6.3 percent gangue.

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