发明名称 |
GEMEINSAME BEHANDLUNG VON ABWASSER UND ABFÄLLEN VON STAHLWERKEN. |
摘要 |
<p>PCT No. PCT/AU91/00048 Sec. 371 Date Aug. 13, 1992 Sec. 102(e) Date Aug. 13, 1992 PCT Filed Feb. 13, 1991 PCT Pub. No. WO91/12210 PCT Pub. Date Aug. 22, 1991.Steelworks dusts or sludge is mixed into sewage preferably in the presence of a flocculating agent to provide a rapid separation of a clear effluent and a sludge which is dewatered and dried to form a solid material adapted to entrap harmful materials in the sewage such as heavy metals, pathogens and organic chemicals. The solid material is supplied to a smelt reduction furnace from which molten iron is recovered and a hot gas discharge is provided from which recovery of zinc and other materials may be achieved, other waste material being removed as a slag.</p> |
申请公布号 |
AT126785(T) |
申请公布日期 |
1995.09.15 |
申请号 |
AT19910904580T |
申请日期 |
1991.02.13 |
申请人 |
THE ILLAWARRA TECHNOLOGY CORPORATION LTD. |
发明人 |
WORNER, HOWARD K., THE ILLAWARRA TECH.;BOX 1144 |
分类号 |
C02F11/00;C21B3/04;C22B7/02;(IPC1-7):C02F11/00;C02F1/52;C22B1/244;C02F11/12 |
主分类号 |
C02F11/00 |
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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