| 发明名称 |
METHOD FOR REDUCTION TREATMENT OF METAL OXIDE OR IRONMAKING WASTE, AND METHOD FOR CONCENTRATION AND/OR RECOVERY OF ZINC AND/OR LEAD |
| 摘要 |
<p>A method for the reduction treatment of a metal oxide, characterized in that it comprises using, as a raw material, a powder containing a metal oxide, and an alkali metal and a halogen element, and further optionally carbon, mixing said raw material with water to prepare a slurry, subjecting the slurry to dewatering, optionally mixing the dewatered product with another raw material, and reducing the resultant product in a rotary hearth reduction furnace.</p> |
| 申请公布号 |
KR20050042498(A) |
申请公布日期 |
2005.05.09 |
| 申请号 |
KR20057004200 |
申请日期 |
2005.03.11 |
| 申请人 |
NIPPON STEEL CORPORATION |
发明人 |
ABE, YOICHI;IBARAKI, TETSUHARU;ICHIKAWA, HIROSHI;IMURA, SHOJI;KANEMORI, NOBUYUKI;ODA, HIROSHI;SUZUKI, SATOSHI;TAKAHASHI, SHIGEKI |
| 分类号 |
C21B13/00;C21B13/10;C22B1/245;C22B5/02;C22B5/10;C22B7/02;C22B13/02;C22B19/30;C22B19/34;(IPC1-7):B01D33/04;C22B1/248;B09B3/00;C22B1/16 |
主分类号 |
C21B13/00 |
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