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Particle separation in method for recovering magnetite from bauxite residue
Particle separation in method for recovering magnetite from bauxite residue
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机译:从铝土矿渣中回收磁铁矿的方法中的颗粒分离
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摘要
A method of recovering magnetite from bauxite residue (62), comprising reducing the pH (63) of the bauxite residue (62) to form a treated bauxite residue, drying (64) the treated bauxite residue, adding to and mixing into (65) the treated bauxite residue a solid source of carbon (66), to create a mixture, heating the mixture to a reduction temperature of at least 800° C in a reducing reactor (67) to produce a reduced bauxite residue in which a major portion of Fe
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