发明名称 METHOD FOR THE PRODUCTION OF BLISTER COPPER
摘要 The invention relates to a method to produce blister copper or high grade matte in a smelting reactor directly from a sulfidic copper concentrate containing material and/or finely ground copper matte, whereby oxygen-containing gas, copper concentrate and/or finely ground copper matte are fed into the reactor. According to the invention CaO and SiO2 containing flux is fed into the smelting reactor along with oxygen-containing gas, copper concentrate and/or copper matte, and part of the copper in the concentrate and/or in the matte is oxidized in order to form a slag in which the CaO/SiO2 ratio is higher than 1.5, and in which the copper content is in oxidized form, and in which the lime content calculated in a CaO+SiO2+FeO x=100 system is higher than 20 %.
申请公布号 CA2459962(C) 申请公布日期 2011.01.04
申请号 CA20022459962 申请日期 2002.09.20
申请人 OUTOKUMPU OYJ 发明人 KOJO, ILKKA;HANNIALA, PEKKA;CABALLERO DERAMOND, CARLOS;ACUNA ROJAS, CESAR
分类号 C22B15/00;C22B9/10;C22B15/14 主分类号 C22B15/00
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