| 发明名称 |
RECOVERY OF IRON PRODUCTS FROM WASTE MATERIAL STREAMS |
| 摘要 |
<p>A method for the recovery of iron products, specifically direct reduced iron and iron oxide suitable for use as the feedstock for steel mills, from industrial waste streams containing iron, by treating the waste streams with an ammonium chloride leaching solution, separating the undissolved precipitates comprising iron compounds from the leachant solution, and further treating the undissolved precipitants by elevated temperature roasting, resulting in the iron feedstocks.</p> |
| 申请公布号 |
CA2257910(A1) |
申请公布日期 |
1997.12.11 |
| 申请号 |
CA19972257910 |
申请日期 |
1997.06.04 |
| 申请人 |
METALS RECYCLING TECHNOLOGIES CORP. |
发明人 |
DIBELLA, PAUL R.;MYERSON, ALLAN S.;BURROWS, CHARLES A. |
| 分类号 |
C01G9/02;C21B13/00;C22B1/02;C22B3/14;C22B3/44;C22B3/46;C22B5/10;C22B7/00;C22B7/02;C22B9/02;C22B13/00;C22B17/00;C22B19/28;C22B19/30;C22B19/34;C25C1/16;(IPC1-7):C22B7/02 |
主分类号 |
C01G9/02 |
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