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Process for removing the arsenic, antimony of the residues of the grid of iron ores contain sulphur, in particular residues of the toasting pyrites, and for the production by calcining chloridizing, of non-ferrous metals that contain these residues
Process for removing the arsenic, antimony of the residues of the grid of iron ores contain sulphur, in particular residues of the toasting pyrites, and for the production by calcining chloridizing, of non-ferrous metals that contain these residues
