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Process mechanism and scope

Material treated Ore fines (finest dust to in. particles) also flue dust, mill scale Concentrates, 40% to 80% minus 325 mesh [Pg.124]

Preconditioning of feed Mixed with water in pugmill, disc or drum mixer to form coarse-structured nodular bed Discrete, closely-size green balls formed in disc or drum agglomerators [Pg.124]

Thermal consumption Heat recuperation not usually practised 1.5—3 million Btu per ton As low as 400,000 Btu/ton for magnetite. For hematite, about 850,000 Btu/ton. For earthy hematite, up to 1.3 million Btu/ton [Pg.124]

Location of operation Normally at steel works Normally at mine site [Pg.124]

Product characteristics Large chunks relatively free of fines 53% to 58% Fe Uniformly-sized pellets, approx. in. to in. diam. 62% to 64% Fe [Pg.124]


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