METHOD OF PELLETISING, METHOD OF PRODUCING REDUCED METAL AND METHOD OF SEPARATING ZINC OR LEAD Russian patent published in 2012 - IPC C22B1/243 C21B13/00 C22B19/00 C22B13/00 

FIELD: metallurgy.

SUBSTANCE: invention relates to pelletising using stock consisting of iron ore or dust bearing metal oxides and may be used in production of reduced metal and separation of volatile metals, say, zinc and lead. First, pellets are produced using metal oxide powder containing iron oxide and, at least, one of zinc oxide, lead oxide and titanium oxide, to be compacted into briquettes. Total content of one of aforesaid oxides makes 10 wt % or more. Prior to compacting into briquettes, said pellets are dried to reduce moisture content by 50-95 wt %.

EFFECT: higher strength.

35 cl, 4 dwg, 2 tbl, 11 ex