发明名称 |
Process for packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes |
摘要 |
An installation and a method for removing dissolved biodegradable compounds as a biological treatment step upstream of an equipment to be protected from biofouling being part of a ground water, surface water or tertiary wastewater treatment line, wherein said upstream biological treatment step is carried out in at least one packed bed bioreactor comprising a vessel or a tank filled with packing elements, characterized in that: iv) said packing elements of said packed bed show a void fraction of at least 70% and the flow velocity of water through said packed bed bioreactor is at least 20 m/h, so that said packed bed does not have a removal efficiency of suspended solids in water, if any, of more than 30%; v) said packing elements of said packed bed show a specific surface area of at least 750 m2/m3; vi) said process does not require the use of any biocide or biostatic compound. |
申请公布号 |
EP2496528(A1) |
申请公布日期 |
2012.09.12 |
申请号 |
EP20090782608 |
申请日期 |
2009.09.04 |
申请人 |
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT |
发明人 |
BROUWER, HARRY;WITTMANN, ERICH |
分类号 |
C02F3/12;B01D61/02;B01D61/04;B01D61/14;B01D65/08;C02F1/02;C02F1/44;C02F3/00;C02F3/10 |
主分类号 |
C02F3/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|