发明名称 |
FREMGANGSM}TE VED SMELTING AV BLYSULFATHOLDIGE BLYRESTER. |
摘要 |
<p>A process for treatment of lead residues, without prior sintering, in which residues more than 70% of the lead is present as lead sulphates, comprising addition of the said residues, together with a reductant containing carbon and together with fluxes that will react to provide a slag containing FeO, CaO and SiO2, directly to an electric furnace operating at a temperature of 1000 to 1500 DEG C in the slag layer to produce in the furnace a lead bullion. The expression "lead sulphates" will be understood to include lead sulphate and other compounds containing lead and the sulphate ion, for example, the basic lead sulphates.</p> |
申请公布号 |
NO770525(A) |
申请公布日期 |
1977.08.30 |
申请号 |
NO19770000525 |
申请日期 |
1977.02.17 |
申请人 |
MITSUBISHI METAL CORPORATION,;ELECTROLYTIC ZINC COMPANY OF AUSTRALASIA LIMITED, |
发明人 |
SUZUKI, TAKASHI,;UCHIDA, HISASHI,;MATTHEW, IAN GEORGE,;PICKERING, RALPH WATT, |
分类号 |
C22B11/02;C22B13/00;C22B13/02;(IPC1-7):22B/ |
主分类号 |
C22B11/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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