发明名称 |
FREMGANGSMAATE TIL AA FJERNE FOSFAT FRA BOF-HOLDIG AVFALLSVANN |
摘要 |
<p>Activated sludge wastewater treatment process for removing phosphate from BOD-containing wastewater in which phosphate-enriched sludge formed in the aeration zone is settled in a phosphate stripping zone under anaerobic conditions to cause release of phosphate from the sludge solids. The released phosphate is countercurrently stripped from the sludge in the stripping zone by a low phosphate, low solids stripping medium to provide phosphate-lower sludge for recirculation to the aeration zone.</p> |
申请公布号 |
NO148918(B) |
申请公布日期 |
1983.10.03 |
申请号 |
NO19760003670 |
申请日期 |
1976.10.27 |
申请人 |
BOSPHERICS INC, |
发明人 |
MATSCH, LADISLAS CHARLES,;DRNEVICH, RAYMOND FRANCIS, |
分类号 |
C02F3/30;C02F3/12;C02F3/26;(IPC1-7):02F3/12 |
主分类号 |
C02F3/30 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|