| 发明名称 |
COMPOSITIONS TO ENCAPSULATE CHROMIUM, ARSENIC, AND OTHER TOXIC METALS IN WASTES |
| 摘要 |
<p>A composition for treating toxic metals in solid waste, sludge or slurry is provided. The composition includes a reducing agent such as ferrous sulfate or sodium sulfite and a fixative containing solid calcium oxide or solide magnesium oxide. The composition may also include an acid such as sulfuric acid.</p> |
| 申请公布号 |
CA1331824(C) |
申请公布日期 |
1994.09.06 |
| 申请号 |
CA19890605979 |
申请日期 |
1989.07.18 |
| 申请人 |
SAFE-WASTE SYSTEMS INC. |
发明人 |
FALK, CHARLES D. |
| 分类号 |
B09B3/00;B09C1/08;C02F1/70;C02F11/00;C04B28/02;C04B28/10;(IPC1-7):C04B18/04 |
主分类号 |
B09B3/00 |
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