发明名称 |
PROCEDE DE TRAITEMENT DES EFFLUENTS LIQUIDES AQUEUX CONTENANT DES MATIERES ORGANIQUES ET MINERALES EN VUE DE LEUR VALORISATION |
摘要 |
Provided is a process for the treatment of aqueous effluents containing organic and inorganic matter and having a solids content of at most 12% by weight to provide a purified liquid phase and a solid organic fertilizer or organic soil improver. The process includes subjecting the effluent to one or more primary liquid/solid separation steps to obtain a liquid medium containing no more than 3% by weight of dry matter and having a turbidity of at most 300 NTU and a collection of concentrates containing in total 15% by weight dry matter. The liquid medium is subjected to ultra filtration or micro filtration to obtain an ultra filtrate or a micro filtrate containing at most 1% by weight dry matter and having a turbidity of at most 100 NTU. The ultra filtrate or micro filtrate is subjected to a reverse osmosis operation to obtain a concentrate and a permeate. The permeate constitutes a purified aqueous phase. |
申请公布号 |
FR2744119(B1) |
申请公布日期 |
1998.04.10 |
申请号 |
FR19960001002 |
申请日期 |
1996.01.29 |
申请人 |
RHONE POULENC CHIMIE |
发明人 |
LAMY PIERRE YVES;COMMUNAL JEAN PIERRE |
分类号 |
B01D61/04;B01D61/16;C02F1/24;C02F1/38;C02F1/44;C02F1/52;C02F1/56;C02F3/28;C02F9/00;C02F11/12;C05F3/00;C09K17/32;C09K101/00;(IPC1-7):C05F7/00;C02F11/02 |
主分类号 |
B01D61/04 |
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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