| 发明名称 |
Two=stage biological treatment of waste water |
| 摘要 |
Process and installation for the biological purification of a waste water comprises a reactor or biological filter which is divided into 2 zones (7, 8) of packing material. In the first (7) the packing is structured and in the second (8) the packing material is less dense than water.
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| 申请公布号 |
FR2741872(A1) |
申请公布日期 |
1997.06.06 |
| 申请号 |
FR19950014464 |
申请日期 |
1995.11.30 |
| 申请人 |
OTV OMNIUM DE TRAITEMENTS ET DE VALORISATION |
发明人 |
ZEGHAL SLIM |
| 分类号 |
C02F3/06;C02F3/10;C02F3/30;(IPC1-7):C02F3/10;C02F3/02 |
主分类号 |
C02F3/06 |
| 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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