| 发明名称 |
PRODUCTION OF ZINC OXIDE FROM ACID SOLUBLE ORE USING PRECIPITATION METHOD |
| 摘要 |
The present invention relates to an apparatus and a process for producing zi nc oxide from an acid soluble zinc-bearing material. The process according to the present invention comprises the steps of leaching the zinc oxide material with sulphuric acid; precipitating copper and cadmium from the leach solution using a base such a s calcium oxide; removing copper, cadmium from the leach solution by cementati on with zinc dust.
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| 申请公布号 |
CA2506780(A1) |
申请公布日期 |
2002.01.24 |
| 申请号 |
CA20012506780 |
申请日期 |
2001.06.19 |
| 申请人 |
NORANDA INC. |
发明人 |
KIM, JOO;FINCH, JAMES ANDREW;RAO, RAMACHANDRA;CHOI, YEONUK;PAYANT, SERGE;GIOVE, ANNA-MARIA |
| 分类号 |
B03D1/00;C22B3/02;C22B3/08;C22B3/20;C22B3/46;C22B15/00;C22B17/00;(IPC1-7):C22B3/46 |
主分类号 |
B03D1/00 |
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